{"id":17283,"date":"2023-09-01T14:02:10","date_gmt":"2023-09-01T14:02:10","guid":{"rendered":"https:\/\/dialtous.com\/?p=17283"},"modified":"2023-09-01T14:02:10","modified_gmt":"2023-09-01T14:02:10","slug":"shared-gpu-memory-la-gi","status":"publish","type":"post","link":"https:\/\/dialtous.com\/shared-gpu-memory-la-gi\/","title":{"rendered":"Shared Memory L\u00e0 G\u00ec? Appox.Total Memory L\u00e0 G\u00ec?"},"content":{"rendered":"

M\u1ed9t ng\u00e0y \u0111\u1eb9p tr\u1eddi, b\u1ea1n ki\u1ec3m tra th\u00f4ng s\u1ed1 c\u1ee7a card VGA v\u00e0 ph\u00e1t hi\u1ec7n r\u1eb1ng c\u00f3 m\u1ed9t thu\u1eadt ng\u1eef l\u1ea1 l\u00e0 “Shared Memory”. B\u1ea1n kh\u00f4ng hi\u1ec3u \u00fd ngh\u0129a c\u1ee7a n\u00f3 v\u00e0 th\u1eadm ch\u00ed dung l\u01b0\u1ee3ng ph\u00eda sau c\u00f2n cao h\u01a1n c\u1ea3 dung l\u01b0\u1ee3ng c\u1ee7a card VGA. V\u1eady th\u00ec ch\u00fang ta s\u1ebd c\u00f9ng gi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc n\u00e0y ngay d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n

B\u1ed9 Nh\u1edb C\u1ee7a Card VGA v\u00e0 VRAM<\/h2>\n

Trong m\u1ed9t b\u00e0i vi\u1ebft tr\u01b0\u1edbc \u0111\u00e2y, ch\u00fang t\u00f4i \u0111\u00e3 gi\u1ea3i th\u00edch v\u1ec1 VRAM l\u00e0 g\u00ec v\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i VRAM. N\u1ebfu b\u1ea1n ch\u01b0a \u0111\u1ecdc, h\u00e3y tham kh\u1ea3o ngay t\u1ea1i \u0111\u00e2y<\/a>.<\/p>\n

Shared Memory l\u00e0 g\u00ec?<\/h3>\n

“Shared Memory” c\u00f3 ngh\u0129a l\u00e0 b\u1ed9 nh\u1edb chia s\u1ebb. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9 nh\u1edb \u1ea3o m\u00e0 PC c\u1ee7a b\u1ea1n cung c\u1ea5p t\u1eeb m\u1ed9t ph\u1ea7n RAM. N\u00f3 nhanh h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi \u1ed5 c\u1ee9ng HDD ho\u1eb7c SSD, th\u1eadm ch\u00ed c\u1ea3 ki\u1ec3u PCIe 4.0. B\u1ed9 nh\u1edb chia s\u1ebb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi GPU c\u1ee7a b\u1ea1n h\u1ebft b\u1ed9 nh\u1edb video chuy\u00ean d\u1ee5ng – VRAM. Tuy nhi\u00ean, RAM ch\u1eadm h\u01a1n VRAM, ngay c\u1ea3 b\u1ed9 nh\u1edb DDR4 nhanh nh\u1ea5t hi\u1ec7n nay c\u0169ng k\u00e9m h\u01a1n b\u1ed9 nh\u1edb GDDR6 v\u00e0 GDDR6X \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c card \u0111\u1ed3 h\u1ecda hi\u1ec7n nay.<\/p>\n

\"Gi\u1ea3i
\nGi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc Shared Memory l\u00e0 g\u00ec?<\/em><\/p>\n

Nh\u01b0 b\u1ea1n th\u1ea5y tr\u00ean \u1ea3nh, b\u1ed9 nh\u1edb \u0111\u1ed3 h\u1ecda kh\u1ea3 d\u1ee5ng l\u00e0 24GB, \u0111\u00f3 l\u00e0 t\u1ed5ng dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb c\u00f3 s\u1eb5n tr\u00ean card VGA RTX3070 k\u00e8m theo b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c chia s\u1ebb t\u1eeb RAM.<\/p>\n

Shared Memory V\u1edbi Card M\u00e0n H\u00ecnh R\u1eddi<\/h4>\n

H\u1ec7 \u0111i\u1ec1u h\u00e0nh (OS – Operating System) s\u1ebd kh\u00f4ng s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb GPU \u0111\u01b0\u1ee3c chia s\u1ebb cho \u0111\u1ebfn khi VRAM h\u1ebft. Vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb GPU \u0111\u01b0\u1ee3c chia s\u1ebb cho ph\u00e9p tr\u00f2 ch\u01a1i ho\u1eb7c \u1ee9ng d\u1ee5ng ti\u1ebfp t\u1ee5c ch\u1ea1y b\u1eb1ng c\u00e1ch l\u1ea5p \u0111\u1ea7y RAM v\u1edbi d\u1eef li\u1ec7u d\u01b0 th\u1eeba m\u00e0 kh\u00f4ng th\u1ec3 l\u01b0u tr\u1eef trong b\u1ed9 \u0111\u1ec7m VRAM. V\u00ed d\u1ee5: n\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 b\u1ed9 nh\u1edb GPU \u0111\u01b0\u1ee3c chia s\u1ebb, th\u00ec m\u1ed9t tr\u00f2 ch\u01a1i s\u1ebd g\u1eb7p s\u1ef1 c\u1ed1 ngay sau khi b\u1ed9 nh\u1edb \u0111\u1ec7m VRAM c\u1ee7a b\u1ea1n \u0111\u1ea7y.<\/p>\n

Shared Memory V\u1edbi Card Onboard<\/h4>\n

N\u1ebfu b\u1ea1n c\u00f3 GPU t\u00edch h\u1ee3p s\u1eb5n tr\u00ean CPU, b\u1ed9 nh\u1edb GPU \u0111\u01b0\u1ee3c chia s\u1ebb l\u00e0 dung l\u01b0\u1ee3ng t\u1ed1i \u0111a m\u00e0 iGPU c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng. V\u00ec GPU t\u00edch h\u1ee3p kh\u00f4ng c\u00f3 b\u1ed9 nh\u1edb GPU ri\u00eang, ch\u00fang ph\u1ea3i s\u1eed d\u1ee5ng RAM h\u1ec7 th\u1ed1ng \u0111\u1ec3 ch\u1ea1y tr\u00f2 ch\u01a1i v\u00e0 \u1ee9ng d\u1ee5ng. Tr\u00ean h\u1ea7u h\u1ebft c\u00e1c GPU t\u00edch h\u1ee3p c\u1ee7a Intel v\u00e0 AMD APU, dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb GPU \u0111\u01b0\u1ee3c chia s\u1ebb \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u1edf m\u1ed9t n\u1eeda dung l\u01b0\u1ee3ng RAM c\u1ee7a b\u1ea1n.<\/p>\n

\"RAM
\nRAM chia s\u1ebb b\u1ed9 nh\u1edb cho GPU onboard<\/em><\/p>\n

Appox.Total Memory l\u00e0 g\u00ec?<\/h3>\n

“Appox.Total Memory” hay “Total Available Graphics Memory” c\u00f3 ngh\u0129a l\u00e0 t\u1ed5ng dung l\u01b0\u1ee3ng VRAM \u0111\u00e3 \u0111\u01b0\u1ee3c chia s\u1ebb. T\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh v\u00e0 dung l\u01b0\u1ee3ng t\u1ed5ng c\u1ee7a h\u1ec7 th\u1ed1ng, Windows s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u1ed1i \u01b0u v\u00e0 \u0111i\u1ec1u ch\u1ec9nh dung l\u01b0\u1ee3ng kh\u00e1c nhau. “Display Memory” hay “VRAM” l\u00e0 t\u1ed5ng dung l\u01b0\u1ee3ng t\u00edch h\u1ee3p tr\u00ean card m\u00e0n h\u00ecnh.<\/p>\n

\"Dung
\nDung l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c chia s\u1ebb<\/em><\/p>\n

VRAM Tr\u00ean Card M\u00e0n H\u00ecnh R\u1eddi N\u1ebfu D\u00f9ng H\u1ebft<\/h3>\n

N\u1ebfu dung l\u01b0\u1ee3ng b\u1ed9 nh\u1edb GPU, bao g\u1ed3m c\u1ea3 GPU t\u00edch h\u1ee3p s\u1eb5n tr\u00ean CPU v\u00e0 b\u1ed9 nh\u1edb \u0111\u01b0\u1ee3c chia s\u1ebb, kh\u00f4ng \u0111\u1ee7, h\u1ec7 \u0111i\u1ec1u h\u00e0nh s\u1ebd kh\u00f4ng s\u1eed d\u1ee5ng h\u1ebft d\u00f9 ch\u1ec9 m\u1ed9t byte RAM c\u00f3 s\u1eb5n tr\u00ean h\u1ec7 th\u1ed1ng. Ngay c\u1ea3 khi n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, n\u00f3 c\u0169ng kh\u00f4ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t v\u00ec khung h\u00ecnh s\u1ebd gi\u1ea3m ngay khi b\u1ea1n l\u1ea5p \u0111\u1ea7y b\u1ed9 nh\u1edb \u0111\u1ec7m VRAM tr\u00ean card \u0111\u1ed3 h\u1ecda c\u1ee7a m\u00ecnh.<\/p>\n

K\u1ebft Lu\u1eadn<\/h2>\n

Card m\u00e0n h\u00ecnh r\u1eddi c\u00f3 m\u1ed9t b\u1ed9 GPU ri\u00eang v\u00e0 b\u1ed9 nh\u1edb video ri\u00eang (ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp v\u1edbi RAM h\u1ec7 th\u1ed1ng) \u0111\u1ec3 x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda. \u0110\u1ed1i v\u1edbi c\u00e1c m\u00e1y t\u00ednh, card m\u00e0n h\u00ecnh r\u1eddi l\u00e0 m\u1ed9t bo m\u1ea1ch ri\u00eang \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o bo m\u1ea1ch ch\u1ee7 th\u00f4ng qua c\u00e1c giao ti\u1ebfp PCI, AGP v\u00e0 hi\u1ec7n nay l\u00e0 PCI-Ex. Khi ki\u1ec3m tra m\u1ed9t card m\u00e0n h\u00ecnh r\u1eddi, th\u00f4ng th\u01b0\u1eddng ch\u00fang ta th\u1ea5y hai lo\u1ea1i b\u1ed9 nh\u1edb video \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o l\u00e0 “dedicated memory” (b\u1ed9 nh\u1edb \u0111\u1ed3 h\u1ecda ri\u00eang bi\u1ec7t) v\u00e0 “Shared System Memory” (b\u1ed9 nh\u1edb \u0111\u1ed3 h\u1ecda chia s\u1ebb v\u1edbi RAM h\u1ec7 th\u1ed1ng).<\/p>\n

B\u1ea1n C\u1ea7n S\u1eeda Ch\u1eefa Card VGA – M\u00e1y T\u00ednh T\u1ea1i Nh\u00e0? Li\u00ean h\u1ec7 Ngay Cho Ch\u00fang T\u00f4i.<\/h2>\n