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GeForce GTX 570 vs Radeon HD 6790

Intro

The GeForce GTX 570 has a GPU core clock speed of 732 MHz, and the 1280 MB of GDDR5 memory runs at 950 MHz through a 320-bit bus. It also is comprised of 480 Stream Processors, 60 Texture Address Units, and 40 ROPs.

Compare those specifications to the Radeon HD 6790, which comes with a clock speed of 840 MHz and a GDDR5 memory speed of 1050 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It is made up of 800 SPUs, 40 Texture Address Units, and 16 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 6790 2150 points
Difference: 2237 (104%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6790 150 Watts
GeForce GTX 570 219 Watts
Difference: 69 Watts (46%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 570 is 13% quicker than the Radeon HD 6790 in general, due to its higher data rate. (explain)

GeForce GTX 570 152000 MB/sec
Radeon HD 6790 134400 MB/sec
Difference: 17600 (13%)

Texel Rate

The GeForce GTX 570 is quite a bit (approximately 31%) better at anisotropic filtering than the Radeon HD 6790. (explain)

GeForce GTX 570 43920 Mtexels/sec
Radeon HD 6790 33600 Mtexels/sec
Difference: 10320 (31%)

Pixel Rate

The GeForce GTX 570 should be quite a bit (about 118%) more effective at FSAA than the Radeon HD 6790, and should be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 570 29280 Mpixels/sec
Radeon HD 6790 13440 Mpixels/sec
Difference: 15840 (118%)

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 6790

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 6790
Manufacturer nVidia AMD
Year December 2010 April 2011
Code Name GF110 Barts LE
Memory 1280 MB 1024 MB
Core Speed 732 MHz 840 MHz
Memory Speed 3800 MHz 4200 MHz
Power (Max TDP) 219 watts 150 watts
Bandwidth 152000 MB/sec 134400 MB/sec
Texel Rate 43920 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 13440 Mpixels/sec
Unified Shaders 480 800
Texture Mapping Units 60 40
Render Output Units 40 16
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 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, 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 amount of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the 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 6790

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.

Comments

One Response to “GeForce GTX 570 vs Radeon HD 6790”
Asus Radeon HD 6970 0r Geforce Gtx 570? - Electronic Arts UK Community says:

[...] GeForce GTX 570 vs Radeon HD 6790 – Performance Comparison Benchmarks @ Hardware Compare This is a good comparison. [...]

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