Our testing methods
As ever, we did our best to deliver clean benchmark numbers. Tests were run at least three times, and the results were averaged.
Our test systems were configured like so:
| Processor | Core 2 Extreme QX9650 3.0GHz |
| System bus | 1333MHz (333MHz quad-pumped) |
| Motherboard | Gigabyte GA-X38-DQ6 |
| BIOS revision | F9a |
| North bridge | X38 MCH |
| South bridge | ICH9R |
| Chipset drivers | INF update 8.3.1.1009 Matrix Storage Manager 7.8 |
| Memory size | 2GB (4 DIMMs) |
| Memory type | Corsair
TWIN2X40966400C4DHX DDR2 SDRAM at 800MHz |
| CAS latency (CL) | 4 |
| RAS to CAS delay (tRCD) | 4 |
| RAS precharge (tRP) | 4 |
| Cycle time (tRAS) | 12 |
| Command rate | 2T |
| Audio | Integrated ICH9R/ALC889A with RealTek 6.0.1.5618 drivers |
| Graphics | |
|
Radeon HD
4670 512MB GDDR3 PCIe with Catalyst 8.53-080805a-067874E-ATI drivers |
|
|
Diamond Radeon HD
3850 512MB PCIe with Catalyst 8.8 drivers |
|
| Radeon HD
4830 512MB PCIe with 8.542-081003a-070362E-ATI drivers |
|
| Asus Radeon HD 4850 512MB PCIe with Catalyst 8.8 drivers |
|
| Diamond Radeon HD
4870 512MB PCIe with Catalyst 8.9 drivers |
|
| Radeon HD
4870 1GB PCIe with Catalyst 8.9 drivers |
|
| Palit Radeon HD
4870 X2 2GB PCIe with Catalyst 8.9 drivers |
|
|
Zotac GeForce 9500 GT ZONE 512MB GDDR3 PCIe with ForceWare 177.92 drivers |
|
|
EVGA
GeForce 9600 GSO 512MB PCIe with ForceWare 177.92 drivers |
|
|
BFG
GeForce 9600 GT OCX 512MB PCIe with ForceWare 177.92 drivers |
|
|
Palit GeForce
9800 GT 1GB PCIe with ForceWare 177.92 drivers |
|
|
GeForce
9800 GTX+ 512MB PCIe with ForceWare 177.92 drivers |
|
|
Palit GeForce
GTX 260 896MB PCIe with ForceWare 178.13 drivers |
|
|
Zotac GeForce GTX 260 (216 SPs) AMP²! Edition 896MB PCIe with ForceWare 178.13 drivers |
|
|
XFX GeForce
GTX 280 1GB PCIe with ForceWare 178.13 drivers |
|
| Hard drive | WD Caviar SE16 320GB SATA |
| OS | Windows Vista Ultimate x64 Edition |
| OS updates | Service Pack 1, DirectX March 2008 update |
Thanks to Corsair for providing us with memory for our testing. Their quality, service, and support are easily superior to no-name DIMMs.
Our test systems were powered by PC Power & Cooling Silencer 750W power supply units. The Silencer 750W was a runaway Editor's Choice winner in our epic 11-way power supply roundup, so it seemed like a fitting choice for our test rigs.
Unless otherwise specified, image quality settings for the graphics cards were left at the control panel defaults. Vertical refresh sync (vsync) was disabled for all tests.
We used the following versions of our test applications:
- Call of Duty 4: Modern Warfare 1.7
- Crysis Warhead
- Half-Life 2 Episode Two
- Enemy Territory: Quake Wars 1.5
- 3DMark Vantage 1.0.1
- FRAPS 2.9.4
The tests and methods we employ are generally publicly available and reproducible. If you have questions about our methods, hit our forums to talk with us about them.
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