Test System Specs & 3Dmark Vantage

Core i7 Test System Specs
- Intel Core i7 965 Extreme Edition (LGA1366)
- x3 2GB G.Skill DDR3 PC3-12800 (CAS 9-9-9-24)
- ASUS P6T Deluxe (Intel X58)
- OCZ GameXStream (700 watt)
- Seagate 500GB 7200-RPM (Serial ATA300)
- Radeon HD 4870 (1GB)
- Radeon HD 4890 (1GB)
- Radeon HD 4870 X2 (2GB)
- GeForce GTX 260 (896MB)
- GeForce GTX 275 (896MB)
- GeForce GTX 280 (1GB)
- GeForce GTX 285 (1GB)
- GeForce GTX 295 (1792MB)
Software
- Microsoft Windows Vista Ultimate SP1 (64-bit)
- Nvidia Forceware 185.68 BETA
- ATI Driver 8.60 BETA

The GeForce GTX 275 was 9% faster than the Radeon HD 4890 at 1680x1050 and 1920x1200 when testing with 3Dmark Vantage. The performance margin was reduced at 2560x1600, but the GeForce GTX 275 remained a tiny bit faster.

Looking at these results we notice that the Radeon HD 4870 vs. GeForce GTX 260 was a closer battle, so it will be interesting to see how things shape up in the real world testing.