{"id":19618,"date":"2021-02-18T11:03:36","date_gmt":"2021-02-18T11:03:36","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=19618"},"modified":"2024-07-03T12:00:07","modified_gmt":"2024-07-03T05:00:07","slug":"so-sanh-giua-cpu-va-gpu-cpu-va-gpu-cai-nao-quan-trong-hon","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=19618","title":{"rendered":"So s\u00e1nh gi\u1eefa CPU v\u00e0 GPU – CPU v\u00e0 GPU c\u00e1i n\u00e0o quan tr\u1ecdng h\u01a1n?"},"content":{"rendered":"

CPU v\u00e0 GPU l\u00e0 hai linh ki\u1ec7n \u0111i\u1ec7n t\u1eed quan tr\u1ecdng trong m\u00e1y t\u00ednh. N\u1ebfu CPU \u0111\u00f3ng vai tr\u00f2 nh\u01b0 \u201cb\u1ed9 n\u00e3o\u201d \u0111i\u1ec1u khi\u1ec3n m\u1ecdi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y t\u00ednh th\u00ec GPU c\u0169ng c\u00f3 vai tr\u00f2 quan tr\u1ecdng kh\u00f4ng k\u00e9m trong m\u00e1y t\u00ednh. GPU \u0111\u1ea3m nhi\u1ec7m t\u0103ng t\u1ed1c v\u00e0 x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda cho CPU.<\/span><\/p>\n

Tuy nhi\u00ean, r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng v\u1eabn nh\u1ea7m l\u1eabn gi\u1eefa hai kh\u00e1i ni\u1ec7m n\u00e0y. V\u1eady CPU l\u00e0 g\u00ec? GPU l\u00e0 g\u00ec? So s\u00e1nh gi\u1eefa CPU v\u00e0 GPU<\/strong>. CPU v\u00e0 GPU c\u00e1i n\u00e0o quan tr\u1ecdng h\u01a1n? H\u00e3y c\u00f9ng H\u1ecdc vi\u1ec7n iT.vn t\u00ecm hi\u1ec3u chi ti\u1ebft trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n

\"So
So s\u00e1nh gi\u1eefa CPU v\u00e0 GPU – CPU v\u00e0 GPU c\u00e1i n\u00e0o quan tr\u1ecdng h\u01a1n?<\/span><\/figcaption><\/figure>\n

CPU l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n

CPU<\/a><\/strong> hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 x\u1eed l\u00fd trung t\u00e2m. N\u00f3 c\u00f3 nhi\u1ec7m v\u1ee5 t\u00ednh to\u00e1n, x\u1eed l\u00fd v\u00e0 \u0111\u01b0a ra l\u1ec7nh \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean m\u1ecdi th\u00f4ng tin, thao t\u00e1c, d\u1eef li\u1ec7u c\u1ee7a m\u1ecdi ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u00e1y t\u00ednh.<\/span><\/span><\/p>\n

\"H\u00ecnh
H\u00ecnh \u1ea3nh c\u1ee7a CPU tr\u00ean th\u1ef1c t\u1ebf<\/span><\/figcaption><\/figure>\n

GPU l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n

GPU<\/strong><\/span><\/a> hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda. Nh\u01b0 c\u00e1i t\u00ean c\u1ee7a GPU, n\u00f3 ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 c\u00e1c t\u00e1c v\u1ee5 li\u00ean quan \u0111\u1ebfn \u0111\u1ed3 h\u1ecda. Trong \u0111\u00f3, n\u00f3 c\u00f3 vai tr\u00f2 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n h\u00ecnh h\u1ecdc nh\u1eb1m x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda 3D b\u1eb1ng l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u song song.<\/span><\/span><\/p>\n

\"H\u00ecnh
H\u00ecnh \u1ea3nh c\u1ee7a GPU tr\u00ean th\u1ef1c t\u1ebf<\/span><\/figcaption><\/figure>\n

So s\u00e1nh gi\u1eefa CPU v\u00e0 GPU<\/strong><\/span><\/h2>\n

V\u1ec1 c\u01a1 b\u1ea3n, tho\u1ea1t nh\u00ecn CPU v\u00e0 GPU kh\u00e1 gi\u1ed1ng nhau n\u00ean nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa ch\u00fang. Ch\u00ednh v\u00ec v\u1eady, h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u nh\u1eefng \u0111i\u1ec3m gi\u1ed1ng v\u00e0 kh\u00e1c nhau gi\u1eefa CPU v\u00e0 GPU d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa CPU v\u00e0 GPU nh\u00e9.<\/span><\/p>\n

\u0110i\u1ec3m gi\u1ed1ng nhau gi\u1eefa CPU v\u00e0 GPU<\/span><\/h3>\n

\u0110i\u1ec3m gi\u1ed1ng nhau \u0111\u1ea7u ti\u00ean gi\u1eefa CPU v\u00e0 GPU l\u00e0 ch\u00fang c\u00f9ng \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb h\u00e0ng tr\u0103m tri\u1ec7u b\u00f3ng b\u00e1n d\u1eabn n\u00ean c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c h\u00e0ng ngh\u00ecn ho\u1ea1t \u0111\u1ed9ng m\u1ed7i gi\u00e2y.<\/span><\/p>\n

M\u1ed9t \u0111i\u1ec3m gi\u1ed1ng nhau n\u1eefa l\u00e0 CPU v\u00e0 GPU \u0111\u1ec1u ti\u1ebfp nh\u1eadn th\u00f4ng tin d\u01b0\u1edbi d\u1ea1ng m\u00e3 nh\u1ecb ph\u00e2n (M\u00e3 g\u1ed3m c\u00e1c s\u1ed1 0 v\u00e0 1).<\/span><\/p>\n

Cu\u1ed1i c\u00f9ng l\u00e0 GPU v\u00e0 CPU \u0111\u1ec1u \u0111\u01b0\u1ee3c giao nhi\u1ec7m v\u1ee5 ti\u1ebfp nh\u1eadn v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u, y\u00eau c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch nhanh nh\u1ea5t c\u00f3 th\u1ec3.<\/span><\/p>\n

\u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa CPU v\u00e0 GPU<\/span><\/h3>\n

R\u1ea5t r\u00f5 r\u00e0ng, CPU v\u00e0 GPU kh\u00e1c h\u1eb3n nhau v\u1ec1 ch\u1ee9c n\u0103ng v\u00e0 vai tr\u00f2 trong m\u00e1y t\u00ednh. CPU \u0111i\u1ec1u khi\u1ec3n m\u1ecdi ho\u1ea1t \u0111\u1ed9ng trong m\u00e1y t\u00ednh c\u00f2n GPU \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi m\u1ee5c \u0111\u00edch ch\u00ednh l\u00e0 hi\u1ec3n th\u1ecb \u0111\u1ed3 h\u1ecda v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n c\u1ee5 th\u1ec3. Ta c\u0169ng c\u00f3 th\u1ec3 hi\u1ec3u GPU nh\u01b0 m\u1ed9t lo\u1ea1i CPU chuy\u00ean d\u1ee5ng, s\u1eed d\u1ee5ng cho m\u1ed9t m\u1ee5c \u0111\u00edch duy nh\u1ea5t.<\/span><\/p>\n

M\u1ed9t \u0111i\u1ec3m kh\u00e1c bi\u1ec7t n\u1eefa gi\u1eefa CPU v\u00e0 GPU \u0111\u00f3 l\u00e0 GPU c\u00f3 xung nh\u1ecbp ch\u1eadm h\u01a1n CPU. Th\u1ebf nh\u01b0ng, tuy GPU ch\u1eadm h\u01a1n nh\u01b0ng n\u00f3 v\u1eabn \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n c\u1ea7n thi\u1ebft. Trong \u0111\u00f3, hi\u1ec3n th\u1ecb video hay th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c to\u00e1n h\u1ecdc \u0111\u01a1n gi\u1ea3n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i l\u00e0 \u0111i\u1ec3m m\u1ea1nh c\u1ee7a GPU. Ch\u00ednh nh\u1edd \u0111i\u1ec1u n\u00e0y m\u00e0 GPU c\u00f3 kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb \u0111\u1ed3 h\u1ecda 3D ph\u1ee9c t\u1ea1p theo y\u00eau c\u1ea7u.<\/span><\/p>\n

So v\u1edbi GPU, CPU c\u00f3 \u0111\u1ed9 linh ho\u1ea1t l\u1edbn h\u01a1n. CPU c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n h\u00e0ng lo\u1ea1t nh\u1eefng t\u00e1c v\u1ee5 kh\u00e1c nhau nh\u1edd s\u1edf h\u1eefu m\u1ed9t h\u1ec7 th\u1ed1ng t\u1eadp l\u1ec7nh c\u1ef1c l\u1edbn.<\/span><\/p>\n

Ngo\u00e0i ra, CPU c\u00f3 th\u1ec3 ch\u1ea1y \u1edf xung nh\u1ecbp t\u1ed1i \u0111a cao h\u01a1n GPU v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u00e1y t\u00ednh. C\u00f2n GPU c\u0169ng c\u00f3 nh\u1eefng t\u00e1c d\u1ee5ng phi \u0111\u1ed3 h\u1ecda \u201c\u0111\u00e0o\u201d bitcoin ho\u1eb7c b\u1ebb kh\u00f3a m\u1eadt kh\u1ea9u…<\/span><\/p>\n

T\u00f3m l\u1ea1i, GPU ch\u1ec9 ch\u1ecbu m\u1ed9t ph\u1ea7n nh\u1ecf trong h\u1ec7 th\u1ed1ng nh\u1eefng nhi\u1ec7m v\u1ee5 m\u00e0 CPU c\u1ea7n th\u1ef1c hi\u1ec7n nh\u01b0ng chuy\u00ean bi\u1ec7t h\u01a1n.<\/span><\/p>\n

CPU v\u00e0 GPU c\u00e1i n\u00e0o quan tr\u1ecdng h\u01a1n?<\/strong><\/span><\/h2>\n

Nh\u00ecn chung, so v\u1edbi GPU th\u00ec CPU \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng h\u01a1n. B\u1edfi h\u1ea7u h\u1ebft c\u00e1c t\u00e1c v\u1ee5 trong m\u00e1y t\u00ednh \u0111\u1ec1u c\u1ea7n \u0111\u1ebfn CPU bao g\u1ed3m c\u00e1c c\u00f4ng vi\u1ec7c nh\u01b0 ch\u1ea1y h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ch\u1ea1y c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh, tr\u00ecnh duy\u1ec7t web,… M\u1ed9t \u0111i\u1ec1u n\u1eefa kh\u1eb3ng \u0111\u1ecbnh t\u1ea7m quan tr\u1ecdng c\u1ee7a CPU \u0111\u00f3 l\u00e0 m\u1ecdi m\u00e1y t\u00ednh n\u1ebfu mu\u1ed1n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec1u c\u1ea7n CPU.<\/span><\/p>\n

M\u1eb7c d\u00f9 v\u1eady, GPU v\u1eabn gi\u1eef m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong m\u00e1y t\u00ednh. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a tr\u00f2 ch\u01a1i ho\u1eb7c k\u1ebft xu\u1ea5t h\u00ecnh \u1ea3nh, video tr\u00ean m\u00e0n h\u00ecnh. V\u1edbi m\u1ed9t card \u0111\u1ed3 h\u1ecda m\u1ea1nh m\u1ebd, b\u1ea1n s\u1ebd c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t tr\u1ea3i nghi\u1ec7m m\u01b0\u1ee3t m\u00e0 v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n tr\u00ean m\u1ed9t tr\u00f2 ch\u01a1i \u0111i\u1ec7n t\u1eed.<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/strong><\/span><\/h2>\n

N\u1ebfu mu\u1ed1n m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 tr\u01a1n tru nh\u1ea5t, ch\u00fang ta c\u1ea7n c\u1ea3 hai linh ki\u1ec7n CPU v\u00e0 GPU \u201cPh\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng\u201d v\u1edbi nhau.<\/span><\/p>\n

Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 so s\u00e1nh gi\u1eefa CPU v\u00e0 GPU. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u00edch cho b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 l\u00e0m vi\u1ec7c. N\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o th\u00ec h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn ngay d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y ho\u1eb7c inbox tr\u1ef1c ti\u1ebfp cho HOCVIENiT.vn \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p t\u1ed1t nh\u1ea5t. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/span><\/i><\/b><\/span><\/p>\n

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\n","protected":false},"excerpt":{"rendered":"

CPU v\u00e0 GPU l\u00e0 hai linh ki\u1ec7n \u0111i\u1ec7n t\u1eed quan tr\u1ecdng trong m\u00e1y t\u00ednh. N\u1ebfu CPU \u0111\u00f3ng vai tr\u00f2 nh\u01b0 \u201cb\u1ed9 n\u00e3o\u201d \u0111i\u1ec1u khi\u1ec3n m\u1ecdi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y t\u00ednh th\u00ec GPU c\u0169ng c\u00f3 vai tr\u00f2 quan tr\u1ecdng kh\u00f4ng k\u00e9m trong m\u00e1y t\u00ednh. GPU \u0111\u1ea3m nhi\u1ec7m t\u0103ng t\u1ed1c v\u00e0 x\u1eed l\u00fd \u0111\u1ed3 h\u1ecda cho CPU.<\/p>\n","protected":false},"author":95,"featured_media":19619,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,94],"tags":[366,364],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/19618"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19618"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/19618\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/19619"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}