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CPU Performance

A fast CPU is crucial to pushing your frame rates to their maximum. The results of our testing show that even with the best video cards available, a slow CPU can pull your frame rates down to barely playable levels. We hit the CPU cap way before we hit the limits of the video card as we increased the resolution.

CPU Performance Tests

(FPS - Longer bars indicate better performance)

Athlon 64 FX-60 2.6GHz
Athlon 64 FX-60 2.0GHz
Athlon 64 FX-60 1.2GHz

Oblivion, 640x480, Max Settings

Athlon 64 FX-60 2.6GHz
40
Athlon 64 FX-60 2.0GHz
33
Athlon 64 FX-60 1.2GHz
20

Oblivion, 1600x1200, Max Settings

Athlon 64 FX-60 2.6GHz
40
Athlon 64 FX-60 2.0GHz
33
Athlon 64 FX-60 1.2GHz
20

Oblivion, 640x480, Minimum Settings

Athlon 64 FX-60 2.6GHz
115
Athlon 64 FX-60 2.0GHz
89
Athlon 64 FX-60 1.2GHz
57

Oblivion, 1600x1200, Minimum Settings

Athlon 64 FX-60 2.6GHz
114
Athlon 64 FX-60 2.0GHz
88
Athlon 64 FX-60 1.2GHz
58

Memory Performance

System memory makes a difference in Oblivion, but the performance benefits don't show up in the benchmarks. More memory helps the game load new scenes quickly and minimizes the hitching associated with excessive hard drive thrashing. We run our tests multiple times, to ensure consistency, but that allows the game to spread the initial memory loading hit across multiple runs. Our initial run with the 512MB system scored 29 frames per second--four frames slower than the final average result. Adding memory will help reduce the severity of that initial hit.

The performance difference between 1GH and 2GB of RAM is even more subtle. Once we had more memory, we noticed that the game stuttered less while dynamically loading adjacent areas in the overworld.

Memory Performance Tests

(FPS - Longer bars indicate better performance)

Corsair XMS 2GB
Corsair XMS 1GB
Corsair XMS 512MB

Oblivion, 1024x768, Max Settings

Corsair XMS 2GB
40
Corsair XMS 1GB
40
Corsair XMS 512MB
33

Oblivion, 1024x768, Minimum Settings

Corsair XMS 2GB
115
Corsair XMS 1GB
115
Corsair XMS 512MB
100

System Setup:

AMD Athlon 64 FX-60 CPU, Asus A8N32 SLI Deluxe Motherboard, 1GB (512MB x 2) Corsair XMS Memory, 160GB Seagate 7200.7 SATA Hard Disk Drive, Windows XP Professional SP2.

Graphics Cards: GeForce 7900 GTX SLI.

Graphics Drivers: Nvidia ForceWare 84.25.



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