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GeForce GTX 480 vs Radeon HD 5670

Intro

The GeForce GTX 480 uses a 40 nm design. nVidia has set the core frequency at 700 MHz. The GDDR5 RAM is set to run at a frequency of 924 MHz on this card. It features 480 SPUs along with 60 TAUs and 48 ROPs.

Compare all that to the Radeon HD 5670, which comes with a core clock frequency of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 128-bit memory bus, and makes use of a 40 nm design. It features 400(80x5) SPUs, 20 Texture Address Units, 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 480 250 Watts
Difference: 189 Watts (310%)

Memory Bandwidth

In theory, the GeForce GTX 480 should be a lot faster than the Radeon HD 5670 overall. (explain)

GeForce GTX 480 177408 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 113408 (177%)

Texel Rate

The GeForce GTX 480 will be quite a bit (about 171%) faster with regards to anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTX 480 42000 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 26500 (171%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 480 is the winner, by a large margin. (explain)

GeForce GTX 480 33600 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 27400 (442%)

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 480

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.

Specifications

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Model GeForce GTX 480 Radeon HD 5670
Manufacturer nVidia AMD
Year March 2010 January 14, 2010
Code Name GF100 Redwood XT
Memory 1536 MB 1024 MB
Core Speed 700 MHz 775 MHz
Memory Speed 3696 MHz 4000 MHz
Power (Max TDP) 250 watts 61 watts
Bandwidth 177408 MB/sec 64000 MB/sec
Texel Rate 42000 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 480 400(80x5)
Texture Mapping Units 60 20
Render Output Units 48 8
Bus Type GDDR5 GDDR5
Bus Width 384-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: Bandwidth is the max amount of information (measured in MB per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better 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 maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 480

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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