AMD 770X Motherboard Duel

Written by Harry Butler

July 2, 2008 | 07:53

Tags: #am2 #motherboard

Companies: #amd #sapphire

Crysis

Publisher: Electronic Arts

Crysis Multi GPU

1680x1050 0AA 0AF, All Medium Settings,

  • Abit AX78
  • Sapphire AM2RX780
  • 22.6
  • 23.0
0
5
10
15
20
25
Frames Per Second (higher is better)

In Crysis, CrossFire performance between the two cards is very similar, despite the second 3850 in the Abit board running on just x4 PCI-Express bandwidth, compared to both cards in the Sapphire running with x8 PCI-Express bandwidth.

Enemy Territory: Quake Wars

Publisher: Activision

Enemy Territory: Quake Wars Multi GPU

1680x1050 0xAA 16xAF, Maximum Detail, No Soft Particles

  • Abit AX78
  • Sapphire AM2RX780
  • 52.6
  • 62.7
0
10
20
30
40
50
60
Frames Per Second (higher is better)

In ETQW, we see the Sapphire take a huge lead over the Abit, to the tune of an ten frames per second advantage - a noticeable difference.

World in Conflict

Publisher: Sierra

World in Conflict Multi GPU

1280x1024 2xAA 2xAF, High Detail

  • Abit AX78
  • Sapphire AM2RX780
    • 23.6
    • 14.0
    • 31.3
    • 16.0
0
5
10
15
20
25
30
35
Frames Per Second (higher is better)
  • Average
  • low

And in World in Conflict we see that the dual x8 PCI-Experss lanes of the Sapphire board really are superior to the x16 and x4 lanes of the Abit. With an average performance advantage of eight frames per second and a minimum frame rate advantage of two frames per second, the Sapphire is the clear winner of the multi-GPU test.
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