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GeForce GTX 570 vs Radeon HD 6850

Intro

The GeForce GTX 570 has clock speeds of 732 MHz on the GPU, and 950 MHz on the 1280 MB of GDDR5 memory. It features 480 SPUs as well as 60 Texture Address Units and 40 ROPs.

Compare those specs to the Radeon HD 6850, which makes use of a 40 nm design. AMD has set the core speed at 775 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this specific model. It features 960 SPUs as well as 48 Texture Address Units and 32 Rasterization Operator Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 570 4387 points
Radeon HD 6850 2395 points
Difference: 1992 (83%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6850 127 Watts
GeForce GTX 570 219 Watts
Difference: 92 Watts (72%)

Memory Bandwidth

The GeForce GTX 570 should theoretically be just a bit faster than the Radeon HD 6850 overall. (explain)

GeForce GTX 570 152000 MB/sec
Radeon HD 6850 128000 MB/sec
Difference: 24000 (19%)

Texel Rate

The GeForce GTX 570 is just a bit (about 18%) better at texture filtering than the Radeon HD 6850. (explain)

GeForce GTX 570 43920 Mtexels/sec
Radeon HD 6850 37200 Mtexels/sec
Difference: 6720 (18%)

Pixel Rate

The GeForce GTX 570 should be a small bit (approximately 18%) more effective at AA than the Radeon HD 6850, and also will be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 570 29280 Mpixels/sec
Radeon HD 6850 24800 Mpixels/sec
Difference: 4480 (18%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 570

Amazon.com

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Radeon HD 6850

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 570 Radeon HD 6850
Manufacturer nVidia AMD
Year December 2010 October 2010
Code Name GF110 Barts Pro
Memory 1280 MB 1024 MB
Core Speed 732 MHz 775 MHz
Memory Speed 3800 MHz 4000 MHz
Power (Max TDP) 219 watts 127 watts
Bandwidth 152000 MB/sec 128000 MB/sec
Texel Rate 43920 Mtexels/sec 37200 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 24800 Mpixels/sec
Unified Shaders 480 960
Texture Mapping Units 60 48
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 1700 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 570

Amazon.com

Check prices at:

Radeon HD 6850

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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