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Written by Bruce Normann   
Friday, 26 March 2010
Table of Contents: Page Index
XFX Radeon HD5830 DX11 Video Card
XFX Radeon HD5830 Features
ATI Radeon HD5830 Specifications
Closer Look: XFX Radeon HD 5830
Detailed Features: XFX Radeon HD 5830
Video Card Testing Methodology
3DMark Vantage Benchmarks
Crysis Benchmark Results
Devil May Cry 4 Benchmark
Far Cry 2 Benchmarks
Resident Evil 5 Benchmarks
Unigine - Heaven Benchmarks
S.T.A.L.K.E.R.: Call of Pripyat Benchmarks
XFX Radeon HD5830 Temperature
VGA Power Consumption
Radeon HD 5830 Final Thoughts
XFX Radeon HD 5830 Conclusion

S.T.A.L.K.E.R.: Call of Pripyat Benchmark Results

The events of S.T.A.L.K.E.R.: Call of Pripyat unfolds shortly after the end of S.T.A.L.K.E.R.: Shadow of Chernobyl. Having discovered about the open path to the Zone center, the government decides to hold a large-scale military "Fairway" operation aimed to take the CNPP under control. According to the operation's plan, the first military group is to conduct an air scouting of the territory to map out the detailed layouts of anomalous fields location. Thereafter, making use of the maps, the main military forces are to be dispatched. Despite thorough preparations, the operation fails. Most of the avant-garde helicopters crash. In order to collect information on reasons behind the operation failure, Ukraine's Security Service sends their agent into the Zone center.

S.T.A.L.K.E.R.: CoP is developed on X-Ray game engine v.1.6, and implements several ambient occlusion (AO) techniques including one that AMD has developed. AMD's AO technique is optimized to run on efficiently on Direct3D11 hardware. It has been chosen by a number of games (e.g. BattleForge, HAWX, or the new Aliens vs. Predator) for the distinct effect in it adds to the final rendered images. This AO technique is called HDAO which stands for ‘High Definition Ambient Occlusion' because it picks up occlusions from fine details in normal maps.


Within the limits imposed by the NVIDIA cards that don't support DirectX 11, we turn the settings on S.T.A.L.K.E.R.: Call of Pripyat all the way up. The one thing we look at individually is SSAO, one of the technologies that made its appearance in DirectX 10. In the first test, with SSAO turned off, we see a familiar pattern in the comparison between the HD 5770, HD 5830, and HD 5850. Specifically, the HD 5830 has very little performance advantage over the HD 5770 and the HD 5850 rises up, way above all expectations. No wonder people love that card, and this testing was all done at stock clock rates, which are pretty low for the 5850, as it leaves the factory.


Once we turn SSAO on and set it to High, the HD 5830 gains some of its performance advantage back, over the HD 5770. The other thing that happens is that the NVIDIA cards lose out big time. Despite the company's insistence that DX11 is largely unnecessary, their performance on one of the key enabling technologies of DX10 is less than compelling. This is one rendering technique that just pins the NVIDIA GPUs to the ground. How often do you see an HD4850 coming within 10% of a GTX285 and matching a GTX275?

Product Series Stream Processors Core Clock (MHz) Shader Clock (MHz) Memory Clock (MHz) Memory Amount Memory Interface
MSI Radeon HD4830 (R4830 T2D512) 640 585 N/A 900 512MB GDDR3 256-bit
XFX Radeon HD5750 (HD-575X-ZNFC) 720 700 N/A 1150 1.0GB GDDR5 128-bit
ASUS Radeon HD4850 (EAH4850 TOP) 800 680 N/A 1050 512MB GDDR3 256-bit
ATI Radeon HD5770 (Engineering Sample) 800 850 N/A 1200 1.0GB GDDR5 128-bit
XFX Radeon HD5830 (HD-583X-ZNFV) 1120 800 N/A 1000 1.0GB GDDR5 256-bit
ASUS GeForce GTX 260 (ENGTX260 MATRIX) 216 576 1242 999 896MB GDDR3 448-bit
XFX Radeon HD5850 (21162-00-50R) 1440 725 N/A 1000 1.0GB GDDR5 256-bit
MSI GeForce GTX 275 (N275GTX Twin Frozr OC) 240 666 1476 1161 896MB GDDR3 448-bit
ASUS GeForce GTX 285 (GTX285 MATRIX) 240 662 1476 1242 1.0GB GDDR3 512-bit
XFX Radeon HD5870 (HD-587X-ZNFC) 1600 850 N/A 1200 1.0GB GDDR5 256-bit

In our next section, we investigate the thermal performance of the Radeon HD5830, and see if the gimped Cypress GPU die runs cool enough with the simple radial heatpipe cooler that XFX brings to bear on it.


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