测试平台?
AMD Athloin 64 FX-55 2.6GHz Socket 939
Gigabyte K8NXP-SLi nForce 4 SLi
Geil DDR 400 512MB x 2 (CL 2-2-2-5)
ATi Radeon X1800XT 256MB (625MHz/1.5GHz)
nVidia Geforce 7800GTX 256MB (430MHz/1.2GHz) x 2
Asus Extreme N7800GT Dual (475MHz/1.26GHz)
Catalyst Version 8.173 (R520 Test Driver)
nVidia Forceware 81.85
Geforce 7800 VS Radeon X1800
|
Asus ENB7800GT Dual 475MHz/1250MHz |
7800GTX SLi 430MHz/1200MHz |
X1800XT 625MHz/1500MHz |
3DMark 2001SE |
|
|
|
1024 x 768 |
28882 |
28671 |
29730 |
1280 x 1024 |
26957 |
26813 |
27456 |
1600 x 1200 |
26079 |
25734 |
25838 |
1600 x 1200 4AA |
23751 |
23416 |
22694 |
3DMark 03 |
|
|
|
1024 x 768 |
27579 |
26888 |
17055 |
1280 x 1024 |
22797 |
22287 |
14051 |
1600 x 1200 |
19098 |
18641 |
11583 |
1600 x 1200 4AA |
12884 |
12393 |
8264 |
3DMark 05 |
|
|
|
1024 x 768 |
11881 |
11874 |
9202 |
1280 x 1024 |
11251 |
11223 |
7723 |
1600 x 1200 |
10419 |
10342 |
6523 |
1600 x 1200 4AA |
9158 |
8935 |
5880 |
Doom 3 |
|
|
|
1024 x 768 |
130.2 |
128.1 |
119.5 |
1280 x 1024 |
129.8 |
125.3 |
109.9 |
1600 x 1200 |
127.5 |
124.9 |
85.1 |
1600 x 1200 4AA |
98.9 |
94.6 |
43.3 |
Half-Life 2 |
|
|
|
1024 x 768 |
153.5 |
151.7 |
109.42 |
1280 x 1024 |
144.2 |
142.4 |
102.31 |
1600 x 1200 |
123.5 |
122.7 |
97.39 |
1600 x 1200 4AA |
95.1 |
94.5 |
86.29 |
BattleFiled 2 |
|
|
|
1024 x 768 |
408.254 |
402.511 |
413.093 |
1280 x 1024 |
396.173 |
391.682 |
394.972 |
1600 x 1200 |
371.422 |
368.424 |
282.421 |
1600 x 1200 4AA |
260.345 |
258.657 |
137.347 |
虽然Asus Extreme N7800GT-Dual是采用上SLi双显示卡协同运算技术,但由于被整合在单一的显示卡上,因此我们也把它当作为单一片显示卡,由于采用两颗显示核心,就算是现时最强的单晶片显示卡ATi Radeon X1800XT也无法与其相比。
虽则Geforce 7800GT核心只有20条Pixel Shader条水线及7个Vertex Shader引擎,相比Geforce 7800GTX拥有24PS/8VS架构为少,但由于时脉被提升至475MHz Engine/1260MHz Memory,因此Asus Extreme N7800GT Dual对比两片Geforce 7800GTX(430e/1200m)运作SLi,效能更是略微领先。
后记?
双晶片显示卡到了今天已变得没有太大意义,不复当年的新鲜感,已不能吸引途人的眼光,宣传能力大大削弱,成本太高并只限采用于支援SLi的主机板上,是一张实用性不高低性价比的产品,能继续这亏钱玩意的厂家将会越来越少吧。