{"id":452659,"date":"2025-04-22T11:13:19","date_gmt":"2025-04-22T04:13:19","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=452659"},"modified":"2025-04-22T11:13:19","modified_gmt":"2025-04-22T04:13:19","slug":"ram","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/ram\/","title":{"rendered":"RAM l\u00e0 g\u00ec? Ch\u1ee9c n\u0103ng c\u1ee7a RAM v\u00e0 c\u00e1ch ch\u1ecdn mua RAM chu\u1ea9n"},"content":{"rendered":"

Khi nh\u1eafc \u0111\u1ebfn hi\u1ec7u n\u0103ng c\u1ee7a m\u00e1y t\u00ednh hay \u0111i\u1ec7n tho\u1ea1i<\/b><\/u><\/strong><\/a>, RAM lu\u00f4n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 \u0111\u01b0\u1ee3c quan t\u00e2m h\u00e0ng \u0111\u1ea7u. V\u1eady RAM l\u00e0 g\u00ec, t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u vai tr\u00f2 c\u1ee7a RAM trong thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1ch ch\u1ecdn mua RAM ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e1y ch\u1ea1y m\u01b0\u1ee3t m\u00e0, \u1ed5n \u0111\u1ecbnh.<\/p>\n

RAM l\u00e0 g\u00ec?<\/h2>\n

RAM l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a \u201cRandom Access Memory\u201d \u2013 b\u1ed9 nh\u1edb truy c\u1eadp ng\u1eabu nhi\u00ean. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong c\u1ea5u tr\u00fac c\u1ee7a m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i. RAM gi\u00fap l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c d\u1eef li\u1ec7u v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, cho ph\u00e9p thi\u1ebft b\u1ecb x\u1eed l\u00fd th\u00f4ng tin nhanh v\u00e0 m\u01b0\u1ee3t h\u01a1n trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng. Khi b\u1ea1n m\u1edf nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f9ng l\u00fac ho\u1eb7c ch\u01a1i game n\u1eb7ng, Random Access Memory s\u1ebd ch\u1ecbu tr\u00e1ch nhi\u1ec7m gi\u1eef c\u00e1c d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ec7 th\u1ed1ng kh\u00f4ng b\u1ecb ch\u1eadm tr\u1ec5.<\/p>\n

\"ram-1\"<\/p>\n

Kh\u00e1c v\u1edbi \u1ed5 c\u1ee9ng \u2013 n\u01a1i l\u01b0u tr\u1eef l\u00e2u d\u00e0i, Random Access Memory l\u00e0 b\u1ed9 nh\u1edb t\u1ea1m. Khi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c t\u1eaft ngu\u1ed3n, to\u00e0n b\u1ed9 d\u1eef li\u1ec7u trong RAM c\u0169ng s\u1ebd m\u1ea5t \u0111i. V\u00ec l\u00fd do n\u00e0y, Random Access Memory \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u00e0n l\u00e0m vi\u1ec7c c\u1ee7a h\u1ec7 th\u1ed1ng, c\u00f2n \u1ed5 c\u1ee9ng gi\u1ed1ng nh\u01b0 t\u1ee7 l\u01b0u tr\u1eef. B\u00e0n l\u00e0m vi\u1ec7c c\u00e0ng r\u1ed9ng th\u00ec vi\u1ec7c s\u1eafp x\u1ebfp v\u00e0 x\u1eed l\u00fd c\u00f4ng vi\u1ec7c c\u00e0ng d\u1ec5 d\u00e0ng. C\u00e0ng nhi\u1ec1u RAM, m\u00e1y s\u1ebd c\u00e0ng \u00edt b\u1ecb treo khi b\u1ea1n m\u1edf nhi\u1ec1u t\u00e1c v\u1ee5 c\u00f9ng l\u00fac.<\/p>\n

Th\u1ef1c t\u1ebf cho th\u1ea5y, Random Access Memory \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ea1y \u0111a nhi\u1ec7m c\u1ee7a thi\u1ebft b\u1ecb. N\u1ebfu dung l\u01b0\u1ee3ng RAM qu\u00e1 \u00edt so v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng, thi\u1ebft b\u1ecb s\u1ebd tr\u1edf n\u00ean \u00ec \u1ea1ch. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu ch\u1ecdn \u0111\u00fang lo\u1ea1i RAM v\u1edbi dung l\u01b0\u1ee3ng ph\u00f9 h\u1ee3p, m\u00e1y t\u00ednh<\/b><\/u><\/strong><\/a>\u00a0<\/b><\/strong>s\u1ebd v\u1eadn h\u00e0nh tr\u01a1n tru h\u01a1n r\u1ea5t nhi\u1ec1u. Do \u0111\u00f3, vi\u1ec7c hi\u1ec3u r\u00f5 RAM l\u00e0 g\u00ec l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u quan tr\u1ecdng tr\u01b0\u1edbc khi ch\u1ecdn mua hay n\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb.<\/p>\n

C\u1ea5u t\u1ea1o c\u1ee7a RAM<\/h2>\n

Chip nh\u1edb<\/b><\/strong>\u00a0l\u00e0 ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a RAM, \u0111\u01b0\u1ee3c g\u1eafn th\u00e0nh h\u00e0ng tr\u00ean thanh m\u1ea1ch in. B\u00ean trong m\u1ed7i chip l\u00e0 h\u00e0ng tri\u1ec7u \u00f4 nh\u1edb nh\u1ecf, m\u1ed7i \u00f4 c\u00f3 th\u1ec3 l\u01b0u tr\u1eef m\u1ed9t bit d\u1eef li\u1ec7u \u2013 \u0111\u01a1n v\u1ecb th\u00f4ng tin c\u01a1 b\u1ea3n nh\u1ea5t trong m\u00e1y t\u00ednh. Nh\u1eefng \u00f4 nh\u1edb n\u00e0y gi\u00fap l\u01b0u t\u1ea1m c\u00e1c d\u1eef li\u1ec7u m\u00e0 h\u1ec7 th\u1ed1ng \u0111ang x\u1eed l\u00fd, gi\u00fap thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng nhanh v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n

Thanh m\u1ea1ch in (PCB)<\/b><\/strong>\u00a0\u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111\u1ec3 g\u1eafn k\u1ebft c\u00e1c linh ki\u1ec7n c\u1ee7a RAM l\u1ea1i v\u1edbi nhau. N\u00f3 l\u00e0 b\u1ea3ng m\u1ea1ch c\u1ee9ng ch\u1ee9a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn gi\u00fap truy\u1ec1n t\u00edn hi\u1ec7u gi\u1eefa chip nh\u1edb, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c. C\u1ea5u tr\u00fac c\u1ee7a PCB \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u.<\/p>\n

\"ram-2\"<\/p>\n

Ch\u00e2n c\u1eafm<\/b><\/strong>\u00a0l\u00e0 ph\u1ea7n kim lo\u1ea1i n\u1eb1m \u1edf c\u1ea1nh d\u01b0\u1edbi c\u1ee7a thanh RAM, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1eafp v\u00e0o khe c\u1eafm tr\u00ean bo m\u1ea1ch ch\u1ee7. \u0110\u00e2y l\u00e0 n\u01a1i k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp gi\u1eefa RAM v\u00e0 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh, cho ph\u00e9p trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa b\u1ed9 nh\u1edb t\u1ea1m v\u00e0 CPU. T\u00f9y thu\u1ed9c v\u00e0o t\u1eebng chu\u1ea9n RAM nh\u01b0 DDR3, DDR4 hay DDR5 m\u00e0 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 v\u1ecb tr\u00ed ch\u00e2n c\u1eafm s\u1ebd kh\u00e1c nhau.<\/p>\n

B\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/b><\/strong>\u00a0l\u00e0 th\u00e0nh ph\u1ea7n gi\u00fap ki\u1ec3m so\u00e1t to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u trong RAM. N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u v\u00e0 truy xu\u1ea5t \u0111\u00fang v\u1ecb tr\u00ed, \u0111\u00fang th\u1eddi \u0111i\u1ec3m.<\/p>\n

M\u1ea1ch \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p v\u00e0 t\u00edn hi\u1ec7u<\/b><\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u00ean Random Access Memory nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n n\u0103ng cung c\u1ea5p \u0111\u1ec1u \u0111\u1eb7n, gi\u1ea3m r\u1ee7i ro l\u1ed7i truy\u1ec1n t\u00edn hi\u1ec7u. \u1ede m\u1ed9t s\u1ed1 d\u00f2ng RAM cao c\u1ea5p, c\u00f2n c\u00f3 th\u00eam t\u1ea3n nhi\u1ec7t \u0111\u1ec3 h\u1ed7 tr\u1ee3 l\u00e0m m\u00e1t khi ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a RAM kh\u00e1 \u0111\u01a1n gi\u1ea3n nh\u01b0ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd d\u1eef li\u1ec7u c\u1ee7a m\u00e1y t\u00ednh. Khi ng\u01b0\u1eddi d\u00f9ng kh\u1edfi \u0111\u1ed9ng thi\u1ebft b\u1ecb, h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n thi\u1ebft s\u1ebd \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o RAM t\u1eeb \u1ed5 c\u1ee9ng. Random Access Memory gi\u1eef nh\u1eefng d\u1eef li\u1ec7u n\u00e0y \u1edf tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng \u0111\u1ec3 CPU c\u00f3 th\u1ec3 truy c\u1eadp nhanh ch\u00f3ng b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/p>\n

M\u1ed7i khi b\u1ea1n m\u1edf m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c th\u1ef1c hi\u1ec7n m\u1ed9t thao t\u00e1c, h\u1ec7 th\u1ed1ng s\u1ebd g\u1eedi l\u1ec7nh \u0111\u1ebfn CPU. Sau \u0111\u00f3, CPU s\u1ebd t\u00ecm ki\u1ebfm d\u1eef li\u1ec7u li\u00ean quan trong RAM thay v\u00ec truy xu\u1ea5t tr\u1ef1c ti\u1ebfp t\u1eeb \u1ed5 c\u1ee9ng, v\u00ec t\u1ed1c \u0111\u1ed9 \u0111\u1ecdc c\u1ee7a RAM nhanh h\u01a1n r\u1ea5t nhi\u1ec1u. Nh\u1edd v\u1eady, qu\u00e1 tr\u00ecnh ph\u1ea3n h\u1ed3i s\u1ebd di\u1ec5n ra g\u1ea7n nh\u01b0 t\u1ee9c th\u00ec, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0 khi s\u1eed d\u1ee5ng m\u00e1y.<\/p>\n

\"ram-3\"<\/p>\n

RAM th\u1ef1c hi\u1ec7n c\u1ea3 hai thao t\u00e1c: \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u. Khi b\u1ea1n ch\u1ea1y m\u1ed9t \u1ee9ng d\u1ee5ng, RAM s\u1ebd ghi t\u1ea1m c\u00e1c th\u00f4ng tin c\u1ea7n thi\u1ebft v\u00e0o \u00f4 nh\u1edb. Khi \u1ee9ng d\u1ee5ng c\u1ea7n s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u00e0y, RAM s\u1ebd \u0111\u1ecdc l\u1ea1i v\u00e0 cung c\u1ea5p cho CPU. Tuy nhi\u00ean, d\u1eef li\u1ec7u trong Random Access Memory kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u v\u0129nh vi\u1ec5n. M\u1ed9t khi m\u00e1y t\u00ednh t\u1eaft ngu\u1ed3n, to\u00e0n b\u1ed9 d\u1eef li\u1ec7u l\u01b0u trong RAM s\u1ebd b\u1ecb x\u00f3a.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng n\u00e0y gi\u00fap gi\u1ea3m t\u1ea3i cho \u1ed5 c\u1ee9ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a thi\u1ebft b\u1ecb. Ch\u00ednh v\u00ec v\u1eady, dung l\u01b0\u1ee3ng RAM c\u00e0ng l\u1edbn th\u00ec kh\u1ea3 n\u0103ng x\u1eed l\u00fd \u0111a nhi\u1ec7m v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i c\u00e0ng cao.<\/p>\n

C\u00e1c th\u00f4ng s\u1ed1 tr\u00ean RAM<\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng th\u1ea5y tr\u00ean thanh RAM:<\/p>\n

Dung l\u01b0\u1ee3ng (Capacity):<\/b><\/strong><\/p>\n

\u0110\u00e2y l\u00e0 th\u00f4ng s\u1ed1 cho bi\u1ebft Random Access Memory c\u00f3 th\u1ec3 l\u01b0u tr\u1eef t\u1ed1i \u0111a bao nhi\u00eau d\u1eef li\u1ec7u t\u1ea1m th\u1eddi, th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng \u0111\u01a1n v\u1ecb GB (gigabyte). C\u00e1c m\u1ee9c ph\u1ed5 bi\u1ebfn hi\u1ec7n nay l\u00e0 4GB, 8GB, 16GB ho\u1eb7c 32GB. Dung l\u01b0\u1ee3ng c\u00e0ng l\u1edbn, m\u00e1y c\u00e0ng ch\u1ea1y m\u01b0\u1ee3t khi m\u1edf nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f9ng l\u00fac.<\/p>\n

Bus RAM (T\u1ed1c \u0111\u1ed9 bus ho\u1eb7c t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u):<\/b><\/strong><\/p>\n

Th\u1ec3 hi\u1ec7n t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a RAM, \u0111\u01a1n v\u1ecb l\u00e0 MHz. V\u00ed d\u1ee5, bus 2666MHz hay 3200MHz. T\u1ed1c \u0111\u1ed9 bus c\u00e0ng cao th\u00ec d\u1eef li\u1ec7u c\u00e0ng \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i nhanh.<\/p>\n

\"ram-4\"<\/p>\n

Chu\u1ea9n RAM (DDR3, DDR4, DDR5):<\/b><\/strong><\/p>\n

\u0110\u00e2y l\u00e0 th\u1ebf h\u1ec7 ph\u00e1t tri\u1ec3n c\u1ee7a RAM. DDR4 v\u00e0 DDR5 l\u00e0 c\u00e1c chu\u1ea9n ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay, v\u1edbi DDR5 m\u1edbi h\u01a1n v\u00e0 c\u00f3 t\u1ed1c \u0111\u1ed9 cao h\u01a1n. M\u1ed7i chu\u1ea9n RAM ch\u1ec9 t\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ed9t s\u1ed1 d\u00f2ng bo m\u1ea1ch ch\u1ee7 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

\u0110\u1ed9 tr\u1ec5 (CAS Latency \u2013 CL):<\/b><\/strong><\/p>\n

Th\u00f4ng s\u1ed1 n\u00e0y th\u1ec3 hi\u1ec7n th\u1eddi gian RAM ph\u1ea3n h\u1ed3i l\u1ea1i y\u00eau c\u1ea7u t\u1eeb CPU. V\u00ed d\u1ee5: CL16, CL18. CL c\u00e0ng th\u1ea5p th\u00ec RAM x\u1eed l\u00fd c\u00e0ng nhanh, nh\u01b0ng s\u1ef1 kh\u00e1c bi\u1ec7t kh\u00f4ng lu\u00f4n r\u00f5 r\u1ec7t trong s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng.<\/p>\n

\u0110i\u1ec7n \u00e1p (Voltage):<\/b><\/strong><\/p>\n

Th\u00f4ng s\u1ed1 n\u00e0y cho bi\u1ebft l\u01b0\u1ee3ng \u0111i\u1ec7n m\u00e0 RAM ti\u00eau th\u1ee5 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng. RAM ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n h\u01a1n th\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh v\u00e0 \u00edt t\u1ecfa nhi\u1ec7t h\u01a1n, nh\u1ea5t l\u00e0 v\u1edbi m\u00e1y t\u00ednh x\u00e1ch tay ho\u1eb7c h\u1ec7 th\u1ed1ng c\u1ea7n ti\u1ebft ki\u1ec7m \u0111i\u1ec7n.<\/p>\n

C\u00e1c lo\u1ea1i RAM th\u00f4ng d\u1ee5ng nh\u1ea5t hi\u1ec7n nay<\/h2>\n

Hi\u1ec7n nay, tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u lo\u1ea1i Random Access Memory kh\u00e1c nhau, nh\u01b0ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1eabn l\u00e0 c\u00e1c lo\u1ea1i RAM thu\u1ed9c d\u00f2ng DDR (Double Data Rate). M\u1ed7i lo\u1ea1i RAM c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang, ph\u1ee5c v\u1ee5 cho t\u1eebng nhu c\u1ea7u v\u00e0 thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3:<\/p>\n

DDR3<\/b><\/strong><\/p>\n

\u0110\u00e2y l\u00e0 lo\u1ea1i RAM t\u1eebng r\u1ea5t ph\u1ed5 bi\u1ebfn \u1edf c\u00e1c d\u00f2ng m\u00e1y t\u00ednh s\u1ea3n xu\u1ea5t t\u1eeb kho\u1ea3ng n\u0103m 2007 \u0111\u1ebfn 2015. DDR3 c\u00f3 t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng th\u1ea5p (kho\u1ea3ng 1.5V), dung l\u01b0\u1ee3ng th\u01b0\u1eddng t\u1eeb 2GB \u0111\u1ebfn 8GB m\u1ed7i thanh. Tuy nhi\u00ean, hi\u1ec7n nay DDR3 d\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf b\u1edfi c\u00e1c chu\u1ea9n m\u1edbi nhanh h\u01a1n.<\/p>\n

\"ram-5\"<\/p>\n

DDR4<\/b><\/strong><\/p>\n

\u0110\u01b0\u1ee3c xem l\u00e0 lo\u1ea1i RAM th\u00f4ng d\u1ee5ng nh\u1ea5t hi\u1ec7n nay, DDR4 mang l\u1ea1i t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n DDR3 (kho\u1ea3ng 1.2V) v\u00e0 h\u1ed7 tr\u1ee3 dung l\u01b0\u1ee3ng l\u1edbn h\u01a1n. T\u1ed1c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn c\u1ee7a DDR4 dao \u0111\u1ed9ng t\u1eeb 2133MHz \u0111\u1ebfn h\u01a1n 3200MHz. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y t\u00ednh \u0111\u1eddi m\u1edbi hi\u1ec7n nay \u0111\u1ec1u s\u1eed d\u1ee5ng lo\u1ea1i RAM n\u00e0y.<\/p>\n

DDR5<\/b><\/strong><\/p>\n

L\u00e0 th\u1ebf h\u1ec7 RAM m\u1edbi nh\u1ea5t, DDR5 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e1y t\u00ednh hi\u1ec7u n\u0103ng cao v\u00e0 gaming. So v\u1edbi DDR4, DDR5 c\u00f3 t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n \u0111\u00e1ng k\u1ec3, b\u0103ng th\u00f4ng r\u1ed9ng h\u01a1n, \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 dung l\u01b0\u1ee3ng l\u00ean \u0111\u1ebfn h\u00e0ng tr\u0103m GB m\u1ed7i thanh. Tuy nhi\u00ean, gi\u00e1 th\u00e0nh v\u1eabn c\u00f2n kh\u00e1 cao v\u00e0 ch\u01b0a ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i.<\/p>\n

\"ram-6\"<\/p>\n

RAM Laptop (SO-DIMM)<\/b><\/strong><\/p>\n

D\u00e0nh ri\u00eang cho m\u00e1y t\u00ednh x\u00e1ch tay, lo\u1ea1i RAM n\u00e0y c\u00f3 k\u00edch th\u01b0\u1edbc ng\u1eafn h\u01a1n RAM d\u00e0nh cho m\u00e1y b\u00e0n (DIMM). V\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, SO-DIMM c\u0169ng c\u00f3 c\u00e1c chu\u1ea9n DDR3, DDR4, DDR5 t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn h\u01a1n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian h\u1ea1n ch\u1ebf b\u00ean trong laptop.<\/p>\n

RAM \u0111i\u1ec7n tho\u1ea1i c\u00f3 kh\u00e1c g\u00ec so v\u1edbi RAM laptop?<\/h2>\n

RAM \u0111i\u1ec7n tho\u1ea1i v\u00e0 RAM laptop \u0111\u1ec1u th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng gi\u1ed1ng nhau: l\u01b0u tr\u1eef t\u1ea1m th\u1eddi d\u1eef li\u1ec7u \u0111\u1ec3 thi\u1ebft b\u1ecb x\u1eed l\u00fd nhanh h\u01a1n. Tuy nhi\u00ean, gi\u1eefa hai lo\u1ea1i RAM n\u00e0y v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac, hi\u1ec7u n\u0103ng v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng.<\/p>\n

\u0110i\u1ec3m kh\u00e1c bi\u1ec7t d\u1ec5 nh\u1eadn th\u1ea5y nh\u1ea5t l\u00e0 ki\u1ec3u thi\u1ebft k\u1ebf v\u00e0 k\u00edch th\u01b0\u1edbc. RAM tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o bo m\u1ea1ch ch\u00ednh ho\u1eb7c n\u1eb1m chung v\u1edbi vi x\u1eed l\u00fd d\u01b0\u1edbi d\u1ea1ng chip nh\u1ecf g\u1ecdn, gi\u00fap ti\u1ebft ki\u1ec7m kh\u00f4ng gian. Trong khi \u0111\u00f3, RAM laptop c\u00f3 d\u1ea1ng thanh r\u1eddi (SO-DIMM), d\u1ec5 d\u00e0ng th\u00e1o l\u1eafp v\u00e0 thay th\u1ebf khi c\u1ea7n n\u00e2ng c\u1ea5p.<\/p>\n

\"ram-7\"<\/p>\n

V\u1ec1 lo\u1ea1i Random Access Memory s\u1eed d\u1ee5ng, \u0111i\u1ec7n tho\u1ea1i th\u01b0\u1eddng d\u00f9ng c\u00e1c d\u00f2ng RAM chuy\u00ean bi\u1ec7t nh\u01b0 LPDDR (Low Power DDR), v\u00ed d\u1ee5 LPDDR4X ho\u1eb7c LPDDR5. \u0110\u00e2y l\u00e0 c\u00e1c phi\u00ean b\u1ea3n t\u1ed1i \u01b0u \u0111i\u1ec7n n\u0103ng, gi\u00fap k\u00e9o d\u00e0i th\u1eddi l\u01b0\u1ee3ng pin \u2013 y\u1ebfu t\u1ed1 quan tr\u1ecdng v\u1edbi thi\u1ebft b\u1ecb di \u0111\u1ed9ng. RAM laptop s\u1eed d\u1ee5ng DDR3, DDR4 ho\u1eb7c DDR5 t\u00f9y d\u00f2ng m\u00e1y, v\u1edbi hi\u1ec7u su\u1ea5t cao h\u01a1n nh\u01b0ng ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng l\u1edbn h\u01a1n.<\/p>\n

Ngo\u00e0i ra, RAM \u0111i\u1ec7n tho\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u00e0n ch\u1ebft v\u00e0o bo m\u1ea1ch, kh\u00f4ng th\u1ec3 n\u00e2ng c\u1ea5p, trong khi h\u1ea7u h\u1ebft laptop cho ph\u00e9p thay th\u1ebf ho\u1eb7c m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng RAM.<\/p>\n

T\u00f3m l\u1ea1i, RAM \u0111i\u1ec7n tho\u1ea1i v\u00e0 RAM laptop c\u00f3 c\u00f9ng m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng nh\u01b0ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c t\u00ednh c\u1ee7a t\u1eebng thi\u1ebft b\u1ecb.<\/p>\n

M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi ch\u1ecdn mua RAM<\/h2>\n

Khi ch\u1ecdn mua Random Access Memory, \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ea7u ti\u00ean l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o lo\u1ea1i RAM \u0111\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi bo m\u1ea1ch ch\u1ee7 c\u1ee7a thi\u1ebft b\u1ecb. M\u1ed7i d\u00f2ng m\u00e1y th\u01b0\u1eddng ch\u1ec9 h\u1ed7 tr\u1ee3 m\u1ed9t chu\u1ea9n RAM c\u1ee5 th\u1ec3 nh\u01b0 DDR3, DDR4 ho\u1eb7c DDR5, v\u00ec v\u1eady vi\u1ec7c ki\u1ec3m tra th\u00f4ng tin ph\u1ea7n c\u1ee9ng tr\u01b0\u1edbc khi mua l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. N\u1ebfu l\u1eafp sai lo\u1ea1i, thi\u1ebft b\u1ecb s\u1ebd kh\u00f4ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c RAM ho\u1eb7c th\u1eadm ch\u00ed kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/p>\n

Ti\u1ebfp theo, dung l\u01b0\u1ee3ng RAM c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc theo nhu c\u1ea7u s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. V\u1edbi ng\u01b0\u1eddi d\u00f9ng v\u0103n ph\u00f2ng hay h\u1ecdc t\u1eadp c\u01a1 b\u1ea3n, 8GB RAM th\u01b0\u1eddng \u0111\u1ee7 \u0111\u00e1p \u1ee9ng. Nh\u01b0ng v\u1edbi nh\u1eefng ai th\u01b0\u1eddng xuy\u00ean x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda, d\u1ef1ng video hay ch\u01a1i game n\u1eb7ng, vi\u1ec7c ch\u1ecdn RAM 16GB ho\u1eb7c cao h\u01a1n s\u1ebd mang l\u1ea1i tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0 h\u01a1n nhi\u1ec1u. Dung l\u01b0\u1ee3ng l\u1edbn gi\u00fap thi\u1ebft b\u1ecb ch\u1ea1y \u0111a nhi\u1ec7m t\u1ed1t, h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng \u0111\u1ee9ng m\u00e1y khi m\u1edf nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f9ng l\u00fac.<\/p>\n

\"ram-8\"<\/p>\n

T\u1ed1c \u0111\u1ed9 bus c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3. Random Access Memory c\u00f3 t\u1ed1c \u0111\u1ed9 cao s\u1ebd gi\u00fap truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n gi\u1eefa CPU v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c. Tuy nhi\u00ean, t\u1ed1c \u0111\u1ed9 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi m\u1ee9c h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a c\u1ee7a bo m\u1ea1ch ch\u1ee7 \u0111\u1ec3 ph\u00e1t huy hi\u1ec7u qu\u1ea3.<\/p>\n

Ngo\u00e0i ra, kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p c\u0169ng n\u00ean \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn. M\u1ed9t s\u1ed1 m\u00e1y c\u00f3 nhi\u1ec1u khe c\u1eafm RAM, cho ph\u00e9p m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai. Cu\u1ed1i c\u00f9ng, vi\u1ec7c ch\u1ecdn RAM t\u1eeb c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn s\u1ebd gi\u00fap b\u1ea1n y\u00ean t\u00e2m h\u01a1n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh.<\/p>\n

T\u1ea1m k\u1ebft<\/h2>\n

T\u00f3m l\u1ea1i, RAM tuy nh\u1ecf b\u00e9 nh\u01b0ng l\u1ea1i gi\u1eef vai tr\u00f2 c\u1ed1t l\u00f5i trong vi\u1ec7c quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb. Vi\u1ec7c hi\u1ec3u r\u00f5 RAM l\u00e0 g\u00ec, ch\u1ee9c n\u0103ng ra sao v\u00e0 ch\u1ecdn mua nh\u01b0 th\u1ebf n\u00e0o s\u1ebd gi\u00fap b\u1ea1n t\u1eadn d\u1ee5ng t\u1ed1i \u0111a s\u1ee9c m\u1ea1nh ph\u1ea7n c\u1ee9ng.<\/p>\n

Xem th\u00eam:<\/p>\n

N\u00e2ng c\u1ea5p RAM m\u00e1y t\u00ednh: 5 \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n<\/b><\/u><\/strong><\/a><\/p>\n

C\u00e1ch ki\u1ec3m tra RAM m\u00e1y t\u00ednh nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t<\/b><\/u><\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Khi nh\u1eafc \u0111\u1ebfn hi\u1ec7u n\u0103ng c\u1ee7a m\u00e1y t\u00ednh hay \u0111i\u1ec7n tho\u1ea1i, RAM lu\u00f4n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 \u0111\u01b0\u1ee3c quan t\u00e2m h\u00e0ng \u0111\u1ea7u. V\u1eady RAM l\u00e0 g\u00ec, t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u vai tr\u00f2 c\u1ee7a RAM trong thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1ch […]<\/p>\n","protected":false},"author":83,"featured_media":452669,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-452659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"\nRAM l\u00e0 g\u00ec? Ch\u1ee9c n\u0103ng c\u1ee7a RAM v\u00e0 c\u00e1ch ch\u1ecdn mua RAM chu\u1ea9n<\/title>\n<meta name=\"description\" content=\"RAM tuy nh\u1ecf b\u00e9 nh\u01b0ng l\u1ea1i gi\u1eef vai tr\u00f2 c\u1ed1t l\u00f5i trong vi\u1ec7c quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/ram\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RAM l\u00e0 g\u00ec? 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