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GeForce GTX 570 vs Radeon HD 7870


Intro

The GeForce GTX 570 uses a 40 nm design. nVidia has set the core speed at 732 MHz. The GDDR5 RAM runs at a speed of 950 MHz on this specific model. It features 480 SPUs along with 60 TAUs and 40 ROPs.

Compare that to the Radeon HD 7870, which features a clock speed of 1000 MHz and a GDDR5 memory frequency of 1200 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It features 1280 SPUs, 80 TAUs, and 32 ROPs.

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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 4390 points
Difference: 1840 (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

Theoretically speaking, the Radeon HD 7870 is 1% quicker than the GeForce GTX 570 overall, due to its greater bandwidth. (explain)

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

Texel Rate

The Radeon HD 7870 will be much (about 82%) more effective at texture 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 screen resolution is important to you, then the Radeon HD 7870 is a better choice, but it probably won't make a huge difference. (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: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the card's 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 - 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

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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