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Written by Mathew Williams - Edited by Olin Coles   
Wednesday, 26 November 2008
Table of Contents: Page Index
ASUS Radeon HD 4830 Video Card EAH4830
Radeon HD 4830 Features
Asus EAH4830 Specifications
Closer Look: Asus HD 4830
EAH4830 Detailed Features
Video Card Testing Methodology
3DMark06 Benchmarks
COD 4 Fraps Benchmarks
Crysis Benchmark Results
Devil May Cry 4 Results
World in Conflict Benchmarks
Asus HD 4830 Power
Radeon HD 4830 Final Thoughts
Asus HD 4830 Conclusion

Crysis Benchmark Results

Crysis uses a new graphics engine: the CryENGINE2, which is the successor to Far Cry's CryENGINE. CryENGINE2 is among the first engines to use the Direct3D 10 (DirectX10) framework of Windows Vista, but can also run using DirectX9, both on Vista and Windows XP.

Roy Taylor, Vice President of Content Relations at NVIDIA, has spoken on the subject of the engine's complexity, stating that Crysis has over a million lines of code, 1GB of texture data, and 85,000 shaders. To get the most out of modern multicore processor architectures, CPU intensive subsystems of CryENGINE 2 such as physics, networking and sound, have been re-written to support multi-threading.

Crysis offers an in-game benchmark tool, which is similar to World in Conflict. This short test does place some high amounts of stress on a graphics card, since there are so many landscape features rendered. For benchmarking purposes, Crysis can mean trouble as it places a high demand on both GPU and CPU resources. Benchmark Reviews uses the Crysis Benchmark Tool by Mad Boris to test frame rates in batches, which allows the results of many tests to be averaged.

Low-resolution testing allows the graphics processor to plateau its maximum output performance, which thereby shifts demand onto the other system components. At the lower resolutions Crysis will reflect the GPU's top-end speed in the composite score, indicating full-throttle performance with little load. This makes for a less GPU-dependant test environment, and is helpful in creating a baseline for measuring maximum output performance in the next few test results. At the 1280x1024 resolution used by some newer 17" and most 19" monitors, all of the video cards tested performed at very respectable levels.

asus_eah_4830_crysis_benchmark.jpg

Crysis is considered one of the most demanding games on the market, and these results certainly live up to the hype. With the HD 4670, you can forget about running Crysis at high quality and a decent resolution. At higher resolutions, even the HD 4850 is brought to its knees. The HD 4830 doesn't fair any better, running about 13% slower than the 4850. With any of these cards, you'll have to run at a lower resolution or turn off some eye candy to get a decent framerate.

asus_eah_4830_crysis_benchmark_aa.jpg

Although we're already bordering on unacceptable framerates, I wanted to see how anti-aliasing would affect these cards in a real game. As we saw in the 3DMark06 benchmarks, throwing anti-aliasing into the mix can often tax the video card more than an increase in resolution. In Crysis, we see this same effect. Taking the EAH4830 from 1680x1050 to 1920x1200 resulted in a 19% percent performance drop, while going to 1680x1050 to 1680x1050 with 4x AA resulted in a 26% performance drop. This is something you'll probably want to keep in mind when setting your graphics settings.



 

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