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GeForce GTX 480 vs Radeon HD 5870

Intro

The GeForce GTX 480 features a core clock speed of 700 MHz and a GDDR5 memory frequency of 924 MHz. It also makes use of a 384-bit memory bus, and makes use of a 40 nm design. It is made up of 480 SPUs, 60 Texture Address Units, and 48 Raster Operation Units.

Compare all of that to the Radeon HD 5870, which comes with GPU core speed of 850 MHz, and 1024 MB of GDDR5 RAM set to run at 1200 MHz through a 256-bit bus. It also is comprised of 1600(320x5) Stream Processors, 80 Texture Address Units, and 32 Raster Operation 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 small bit faster than the Radeon HD 5870 in general. (explain)

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

Texel Rate

The Radeon HD 5870 should be quite a bit (about 62%) better at texture 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, by a large margin. (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 largest amount of data (measured in megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its 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 clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill 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 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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