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GeForce GTX 570 vs Radeon HD 7870

Intro

The GeForce GTX 570 comes with clock speeds of 732 MHz on the GPU, and 950 MHz on the 1280 MB of GDDR5 RAM. It features 480 SPUs along with 60 Texture Address Units and 40 Rasterization Operator Units.

Compare those specifications to the Radeon HD 7870, which has a GPU core clock speed of 1000 MHz, and 2048 MB of GDDR5 RAM running at 1200 MHz through a 256-bit bus. It also is comprised of 1280 Stream Processors, 80 TAUs, 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

Radeon HD 7870 6230 points
GeForce GTX 570 4387 points
Difference: 1843 (42%)

Ethereum Mining Hash Rate

Radeon HD 7870 16 Mh/s
GeForce GTX 570 13 Mh/s
Difference: 3 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7870 175 Watts
GeForce GTX 570 219 Watts
Difference: 44 Watts (25%)

Memory Bandwidth

The Radeon HD 7870 should theoretically be just a bit faster than the GeForce GTX 570 in general. (explain)

Radeon HD 7870 153600 MB/sec
GeForce GTX 570 152000 MB/sec
Difference: 1600 (1%)

Texel Rate

The Radeon HD 7870 should be quite a bit (more or less 82%) faster with regards to anisotropic filtering than the GeForce GTX 570. (explain)

Radeon HD 7870 80000 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 36080 (82%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 7870 is a better choice, but not by far. (explain)

Radeon HD 7870 32000 Mpixels/sec
GeForce GTX 570 29280 Mpixels/sec
Difference: 2720 (9%)

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

Radeon HD 7870

Amazon.com

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 7870
Manufacturer nVidia AMD
Year December 2010 March 2012
Code Name GF110 Pitcairn XT
Memory 1280 MB 2048 MB
Core Speed 732 MHz 1000 MHz
Memory Speed 3800 MHz 4800 MHz
Power (Max TDP) 219 watts 175 watts
Bandwidth 152000 MB/sec 153600 MB/sec
Texel Rate 43920 Mtexels/sec 80000 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 32000 Mpixels/sec
Unified Shaders 480 1280
Texture Mapping Units 60 80
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 2800 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant 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

Radeon HD 7870

Amazon.com

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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