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GeForce GTX 470 vs Radeon HD 5670

Intro

The GeForce GTX 470 comes with clock speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 memory. It features 448 SPUs as well as 56 Texture Address Units and 40 ROPs.

Compare that to the Radeon HD 5670, which has a clock frequency of 775 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 128-bit bus, and uses a 40 nm design. It is made up of 400(80x5) SPUs, 20 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GTX 470 215 Watts
Difference: 154 Watts (252%)

Memory Bandwidth

The GeForce GTX 470 should in theory be a lot faster than the Radeon HD 5670 in general. (explain)

GeForce GTX 470 133920 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 69920 (109%)

Texel Rate

The GeForce GTX 470 is quite a bit (about 119%) more effective at anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTX 470 33992 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 18492 (119%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 470 is superior to the Radeon HD 5670, by a large margin. (explain)

GeForce GTX 470 24280 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 18080 (292%)

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 470

Amazon.com

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Radeon HD 5670

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 470 Radeon HD 5670
Manufacturer nVidia AMD
Year March 2010 January 14, 2010
Code Name GF100 Redwood XT
Memory 1280 MB 1024 MB
Core Speed 607 MHz 775 MHz
Memory Speed 3348 MHz 4000 MHz
Power (Max TDP) 215 watts 61 watts
Bandwidth 133920 MB/sec 64000 MB/sec
Texel Rate 33992 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 448 400(80x5)
Texture Mapping Units 56 20
Render Output Units 40 8
Bus Type GDDR5 GDDR5
Bus Width 320-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 627 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 are processed in one second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The higher 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 amount of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs 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 is also dependant on many 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 470

Amazon.com

Check prices at:

Radeon HD 5670

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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