Lien tuc cho ra cac san pham vuot
qua su mong moi cua nguoi dung, nhung ten tuoi noi tieng trong linh vuc card do
hoa nhu Nvidia, Asus va Gigabyte dang bien linh vuc thiet ke nay thanh cam hung...
vo tan.
Sau hang loat “giac mo” de nang cao toc do xu ly cho card do hoa nhu suc manh do
hoa kep, suc manh do hoa “bo tu” (QUAD SLI), gio day NVIDIA lai mang den cho cac
game thu chuyen nghiep them mot giac mo moi voi card do hoa trang bi suc manh
cua chip do hoa (GPU) dong NVIDIA GeForce 8.
“Di tat don dau” he dieu hanh
Windows Vista voi DirectX 10, Shader Model 4 va ho tro chuan game XHD (extreme
high definition), NVIDIA da cho ra mat dong GPU GeForce 8 voi 4 cong nghe cot
loi hoan toan doi moi so voi cac dong GPU truoc day: cong nghe CUDA (compute
unified device architecture) hop nhat cac qua trinh do bong va hang lenh xu ly
cho phep tan dung toi da phan cung de tang toc do xu ly; cong nghe NVIDIA
GigaThread co ban dua tren cau truc xu ly dong de cac dong du lieu duoc xu ly
lien tuc khong gian doan; cong nghe Lumenex Engine cho phep nang muc khu rang
cua len 16x, nang muc dung hinh HDR (High Dynamic Range) len FP32 (32 bit
floating point) va ket hop dung HDR voi khu rang cua da mau; cong nghe NVIDIA
Quantum Effects the hien that hon cac hieu ung vat ly.
Rat nhanh nhay, hai ten tuoi hang
dau trong linh vuc card do hoa Asus va Gigabyte da hien thuc tren cac san pham:
Asus EN8800GTS/HTDP/640M, Gigabyte GV-NX88X768H-RH va GV-NX88S640H-RH.
 Ca ba card do hoa duoc thiet ke
bo tan nhiet che kin het be mat. Asus EN8800GTS/HTDP/640M va Gigabyte
GV-NX88S640H-RH cung trang bi suc manh GPU GeForce 8800GTS, bo nho 640MB DDR3 va
giao tiep bo nho 320 bit. Tren nen tang nhinh hon, Gigabyte GV-NX88X768H-RH duoc
trang bi “noi luc tham hau” cua GeForce 8800GTX, bo nho 768MB DDR3, giao tiep bo
nho 384 bit. Ngoai ra, so bo xu ly dong cung la mot chi tiet phan cap suc manh
cua 2 ban GPU GeForce 8: trong khi GeForce 8800 GTX co 128 bo xu ly dong thi
GeForce 8800GTS chi co 96 bo.
Ket qua thu nghiem that dung la giac mo cua moi game thu chuyen nghiep va the
hien ro tren “khung canh” 1600x1200. GV-NX88X768H-RH tuy luon dan dau trong tat
ca cac phep thu nhung da so su chech lech chi o muc “nhinh” hon mot chut so voi
hai card thu nghiem con lai. Trong khi do, Asus EN8800GTS/HTDP/640M va Gigabyte
GV-NX88S640H-RH luon so ke nhau: cung nam tay nhau ve dich o cac game Halo,
Unreal Tournament 2004 nhung co luc Asus EN8800GTS/HTDP/640M vuot len “chut dinh”
o game Doom 3 va nhuong buoc “sat nut” o game Half Life 2.
Tuy vay, ban van co the tu tin
“luot nhu bay” qua cac the gioi game o do phan giai 1600x1200, bat che do khu
rang cua bon mau (4xAA). Toc do xu ly cua nhom GeForce 8 thap nhat dat 137 khung
hinh/giay (fps) o game Half Life 2 (cao hon 13% so voi Asus EN7950GT/HTDP/512M)
la mot chung cu that thuyet phuc. Voi toc do xu ly thap nhat dat 167fps (cao hon
21% so voi Asus EN7950GT/HTDP/512M), ban co the tu tin nhap vai nu khao co gia
xinh dep Lara trong game Tomb Raider: AoD. Day cung chinh la game the hien ro
net vi tri “quan quan” cua Gigabyte GV-NX88X768H-RH khi toc do xu ly dat 189fps,
cao hon 13% so voi hai card do hoa con lai.
Nhung phai den phep thu voi “quai
vat” Doom 3, ba card do hoa GeForce 8 moi co co hoi the hien tuong doi ro net
suc manh. Toc do xu ly cua Asus EN8800GTS/HTDP/640M, Gigabyte GV-NX88X768H-RH va
GV-NX88S640H-RH deu vuot qua muc 100fps (cao hon 59% so voi Asus
EN7950GT/HTDP/512M). Ban se phai “len tim” vi nhung canh tranh toi tranh sang
hay “giat thot minh” vi su xuat hien cua cac con quai vat gom ghiec duoc dung
hinh 3D y nhu that. Thu vi la toc do xu ly game Halo cua nhom GeForce 8 o do
phan giai 1600x1200 lai nhinh hon toc do xu ly o do phan giai 1024x768.
Cach nhau mot the he song card
Asus EN7950GT/HTDP/512M du sao van con giu uu the tren mot so game sinh thoi
GeForce 7 (chua khai thac duoc kien truc moi cua GeForce 8). Cu the voi game
Tomb Raider: AoD (1024x768 0xAA), toc do xu ly cua Asus EN8800GTS/HTDP/640M,
Gigabyte GV-NX88X768H-RH va GV-NX88S640H-RH kem Asus EN7950GT/HTDP/512M 7%.
Tren game Far Cry, Asus EN7950GT/HTDP/512M
co the sanh vai voi nhom GeForce 8 (1024x768 0xAA), va vuot len Asus EN8800GTS/HTDP/640M
hon 6% (1600x1200 0xAA); tuy nhien, lai kem nhom GeForce 8 den 43% o do phan
giai 1600x1200, 4xAA. Khi choi game Halo khong bat khu rang cua (0xAA), toc do
xu ly cua Asus EN7950GT/HTDP/512M “bam sat” 3 dai dien GeForce 8 o do phan giai
1024x768 va co phan nhinh hon o do phan giai 1600x1200.
Diem so thu duoc o phep thu
3DMark06 cua Asus EN8800GTS/HTDP/640M, Gigabyte GV-NX88X768H-RH va
GV-NX88S640H-RH deu vuot muc 8.000 diem (cao hon 37% so voi Asus EN7950GT/HTDP/512M).
Khong dung lai o viec nang cao toc do xu ly, ca ba card do hoa voi cac cong nghe
moi nhat con cong hien cho cac game thu mot chat luong do hoa dep, song dong.
Trong khung canh Canyon Flight cua phep thu 3DMark06, ban se thay anh sang phan
chieu tu con rong, phi thuyen, nuoc, cac dong thac va be mat song duoc the hien
rat song dong. Chuyen qua phep thu DeepFreeze, ban se bi hut hon boi khung canh
mot khong gian bang gia rong lon o Bac Cuc voi mot can cu nghien cuu khoa hoc
duoi anh nang choi chang cua mat troi duoc tai hien y nhu that: bong do day du,
vang hao quang tu nhien va the hien tot hieu ung loa mo tren cot thap chinh.
Chuyen qua cac phep thu dung hinh
3D, ket qua lai them 1 lan nua cung co vung chac “gia tri” cua Asus EN8800GTS/HTDP/640M,
Gigabyte GV-NX88X768H-RH va GV-NX88S640H-RH. Toc do xu ly thap nhat dat 111fps o
phep thu 3dsmax 5.1 (tuong duong toc do xu ly cua Asus EN7950GT/HTDP/512M), ban
co the tu tin buoc vao the gioi do hoa va tha ho cho cac y tuong dung hinh 3D
bay bong.
Khong chi hap dan boi mot suc
manh vuot troi ma ca ba card do hoa con hap dan boi phu kien day du va cac game
di kem (bang tinh nang). Ngoai ra, van theo dung “bai ban” cu, card do hoa cua
Asus luon di kem voi cong nghe Splendid gia tang chat luong hinh anh va cac tien
ich phuc vu game thu ket noi giao tiep chia se: GameliveShow, GameReplay,
GameFaceLive, on-ScreenDisplay.
Tuy van con o mot muc gia kha
“cung” nhung voi mot suc manh “kho co the che vao dau duoc”, Asus EN8800GTS/HTDP/640M,
Gigabyte GV-NX88X768H-RH va GV-NX88S640H-RH da mang den cho cac nha phat trien
game, game thu va nha thiet ke do hoa 3D chuyen nghiep them mot giac mo dep.
(Theo PCWORLDVN)
Article source http://w4rum.com/533.t
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