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GeForce GTX 570 vs Radeon HD 5770

Intro

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

Compare those specs to the Radeon HD 5770, which has GPU clock speed of 850 MHz, and 1024 MB of GDDR5 RAM set to run at 1200 MHz through a 128-bit bus. It also features 800(160x5) SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
GeForce GTX 570 219 Watts
Difference: 111 Watts (103%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 570 should perform quite a bit faster than the Radeon HD 5770 overall. (explain)

GeForce GTX 570 152000 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 75200 (98%)

Texel Rate

The GeForce GTX 570 will be quite a bit (approximately 29%) more effective at texture filtering than the Radeon HD 5770. (explain)

GeForce GTX 570 43920 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 9920 (29%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 570 is a better choice, and very much so. (explain)

GeForce GTX 570 29280 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 15680 (115%)

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 5770

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 5770
Manufacturer nVidia AMD
Year December 2010 October 13, 2009
Code Name GF110 Juniper XT
Memory 1280 MB 1024 MB
Core Speed 732 MHz 850 MHz
Memory Speed 3800 MHz 4800 MHz
Power (Max TDP) 219 watts 108 watts
Bandwidth 152000 MB/sec 76800 MB/sec
Texel Rate 43920 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 480 800(160x5)
Texture Mapping Units 60 40
Render Output Units 40 16
Bus Type GDDR5 GDDR5
Bus Width 320-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 1040 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially 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 5770

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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