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GeForce GTX 570 vs Radeon HD 6850

Intro

The GeForce GTX 570 features a clock speed of 732 MHz and a GDDR5 memory speed of 950 MHz. It also features a 320-bit memory bus, and uses a 40 nm design. It features 480 SPUs, 60 Texture Address Units, and 40 Raster Operation Units.

Compare those specifications to the Radeon HD 6850, which comes with a GPU core clock speed of 775 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 256-bit bus. It also is made up of 960 Stream Processors, 48 Texture Address Units, and 32 Raster Operation 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, in theory, should be just a bit faster than the Radeon HD 6850 in general. (explain)

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

Texel Rate

The GeForce GTX 570 should be a small bit (about 18%) better at AF than the Radeon HD 6850. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 570 is superior to the Radeon HD 6850, though not by far. (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

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.

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: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units of the card by the core clock 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 most pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. 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 is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max 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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