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GeForce GTX 480 vs Radeon HD 5870

Intro

The GeForce GTX 480 uses a 40 nm design. nVidia has set the core frequency at 700 MHz. The GDDR5 memory runs at a frequency of 924 MHz on this specific card. It features 480 SPUs as well as 60 Texture Address Units and 48 Rasterization Operator Units.

Compare that to the Radeon HD 5870, which comes with a clock speed of 850 MHz and a GDDR5 memory frequency of 1200 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It is made up of 1600(320x5) SPUs, 80 Texture Address Units, and 32 ROPs.

Display Graphs

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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

Performance-wise, the GeForce GTX 480 should in theory be a small bit better 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 will be much (about 62%) more effective at AF than the GeForce GTX 480. (explain)

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

Pixel Rate

The GeForce GTX 480 should be quite a bit (more or less 24%) more effective at AA than the Radeon HD 5870, and also will be able to handle higher resolutions better. (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 information (in units of MB per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total amount of texture units by the core 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

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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