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GeForce GTX 480 vs Radeon R9 285

Intro

The GeForce GTX 480 has a GPU clock speed of 700 MHz, and the 1536 MB of GDDR5 RAM is set to run at 924 MHz through a 384-bit bus. It also is comprised of 480 Stream Processors, 60 Texture Address Units, and 48 ROPs.

Compare that to the Radeon R9 285, which features a GPU core clock speed of 918 MHz, and 2048 MB of GDDR5 RAM running at 1375 MHz through a 256-bit bus. It also features 1792 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 285 8500 points
GeForce GTX 480 3650 points
Difference: 4850 (133%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 285 190 Watts
GeForce GTX 480 250 Watts
Difference: 60 Watts (32%)

Memory Bandwidth

Performance-wise, the GeForce GTX 480 should in theory be a little bit better than the Radeon R9 285 overall. (explain)

GeForce GTX 480 177408 MB/sec
Radeon R9 285 176000 MB/sec
Difference: 1408 (1%)

Texel Rate

The Radeon R9 285 will be a lot (about 145%) better at AF than the GeForce GTX 480. (explain)

Radeon R9 285 102816 Mtexels/sec
GeForce GTX 480 42000 Mtexels/sec
Difference: 60816 (145%)

Pixel Rate

The GeForce GTX 480 should be a small bit (about 14%) more effective at anti-aliasing than the Radeon R9 285, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 480 33600 Mpixels/sec
Radeon R9 285 29376 Mpixels/sec
Difference: 4224 (14%)

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 R9 285

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 R9 285
Manufacturer nVidia AMD
Year March 2010 September 2014
Code Name GF100 Tonga PRO
Memory 1536 MB 2048 MB
Core Speed 700 MHz 918 MHz
Memory Speed 3696 MHz 5500 MHz
Power (Max TDP) 250 watts 190 watts
Bandwidth 177408 MB/sec 176000 MB/sec
Texel Rate 42000 Mtexels/sec 102816 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 29376 Mpixels/sec
Unified Shaders 480 1792
Texture Mapping Units 60 112
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 5000 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.4

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the card's clock speed. 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - 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 R9 285

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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