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GeForce GTX 570 vs Radeon HD 7870 XT

Intro

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

Compare all that to the Radeon HD 7870 XT, which makes use of a 28 nm design. AMD has set the core frequency at 925 MHz. The GDDR5 RAM works at a speed of 1500 MHz on this model. It features 1536 SPUs along with 96 Texture Address Units 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 XT 6390 points
GeForce GTX 570 4387 points
Difference: 2003 (46%)

Ethereum Mining Hash Rate

Radeon HD 7870 XT 15 Mh/s
GeForce GTX 570 13 Mh/s
Difference: 2 (15%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7870 XT 185 Watts
GeForce GTX 570 219 Watts
Difference: 34 Watts (18%)

Memory Bandwidth

In theory, the Radeon HD 7870 XT should be quite a bit faster than the GeForce GTX 570 overall. (explain)

Radeon HD 7870 XT 192000 MB/sec
GeForce GTX 570 152000 MB/sec
Difference: 40000 (26%)

Texel Rate

The Radeon HD 7870 XT will be a lot (about 102%) better at AF than the GeForce GTX 570. (explain)

Radeon HD 7870 XT 88800 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 44880 (102%)

Pixel Rate

The Radeon HD 7870 XT is just a bit (approximately 1%) more effective at FSAA than the GeForce GTX 570, and also should be able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 7870 XT 29600 Mpixels/sec
GeForce GTX 570 29280 Mpixels/sec
Difference: 320 (1%)

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 7870 XT

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 7870 XT
Manufacturer nVidia AMD
Year December 2010 November 2012
Code Name GF110 Tahiti LE
Memory 1280 MB 2048 MB
Core Speed 732 MHz 925 MHz
Memory Speed 3800 MHz 6000 MHz
Power (Max TDP) 219 watts 185 watts
Bandwidth 152000 MB/sec 192000 MB/sec
Texel Rate 43920 Mtexels/sec 88800 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 480 1536
Texture Mapping Units 60 96
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 4313 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 are applied per second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 570

Amazon.com

Check prices at:

Radeon HD 7870 XT

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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