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GeForce GTX 480 vs Radeon HD 5870

Intro

The GeForce GTX 480 features a core clock frequency of 700 MHz and a GDDR5 memory speed of 924 MHz. It also features a 384-bit bus, and uses a 40 nm design. It is made up of 480 SPUs, 60 TAUs, and 48 ROPs.

Compare those specs to the Radeon HD 5870, which comes with core clock speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 memory. It features 1600(320x5) SPUs along with 80 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5870 188 Watts
GeForce GTX 480 250 Watts
Difference: 62 Watts (33%)

Memory Bandwidth

The GeForce GTX 480 should theoretically be a little bit faster than the Radeon HD 5870 overall. (explain)

GeForce GTX 480 177408 MB/sec
Radeon HD 5870 153600 MB/sec
Difference: 23808 (16%)

Texel Rate

The Radeon HD 5870 is much (about 62%) better at anisotropic filtering than the GeForce GTX 480. (explain)

Radeon HD 5870 68000 Mtexels/sec
GeForce GTX 480 42000 Mtexels/sec
Difference: 26000 (62%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 480 is a better choice, and very much so. (explain)

GeForce GTX 480 33600 Mpixels/sec
Radeon HD 5870 27200 Mpixels/sec
Difference: 6400 (24%)

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 5870

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 5870
Manufacturer nVidia AMD
Year March 2010 September 23, 2009
Code Name GF100 Cypress XT
Memory 1536 MB 1024 MB
Core Speed 700 MHz 850 MHz
Memory Speed 3696 MHz 4800 MHz
Power (Max TDP) 250 watts 188 watts
Bandwidth 177408 MB/sec 153600 MB/sec
Texel Rate 42000 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 480 1600(320x5)
Texture Mapping Units 60 80
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 2154 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 data (counted in MB per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 480

Amazon.com

Check prices at:

Radeon HD 5870

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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