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GeForce GTX 480 vs Radeon HD 3470 512MB

Intro

The GeForce GTX 480 features a GPU core clock speed of 700 MHz, and the 1536 MB of GDDR5 memory is set to run at 924 MHz through a 384-bit bus. It also is comprised of 480 SPUs, 60 Texture Address Units, and 48 Raster Operation Units.

Compare those specs to the Radeon HD 3470 512MB, which has GPU clock speed of 800 MHz, and 512 MB of GDDR3 RAM running at 950 MHz through a 128-bit bus. It also is made up of 40(8x5) SPUs, 4 TAUs, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 480, in theory, should be quite a bit faster than the Radeon HD 3470 512MB overall. (explain)

GeForce GTX 480 177408 MB/sec
Radeon HD 3470 512MB 30400 MB/sec
Difference: 147008 (484%)

Texel Rate

The GeForce GTX 480 will be a lot (more or less 1213%) better at texture filtering than the Radeon HD 3470 512MB. (explain)

GeForce GTX 480 42000 Mtexels/sec
Radeon HD 3470 512MB 3200 Mtexels/sec
Difference: 38800 (1213%)

Pixel Rate

The GeForce GTX 480 should be quite a bit (more or less 950%) faster with regards to AA than the Radeon HD 3470 512MB, and also should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 480 33600 Mpixels/sec
Radeon HD 3470 512MB 3200 Mpixels/sec
Difference: 30400 (950%)

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 3470 512MB

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 3470 512MB
Manufacturer nVidia AMD
Year March 2010 2008
Code Name GF100 RV620 PRO
Memory 1536 MB 512 MB
Core Speed 700 MHz 800 MHz
Memory Speed 3696 MHz 1900 MHz
Power (Max TDP) 250 watts (Unknown) watts
Bandwidth 177408 MB/sec 30400 MB/sec
Texel Rate 42000 Mtexels/sec 3200 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 3200 Mpixels/sec
Unified Shaders 480 40(8x5)
Texture Mapping Units 60 4
Render Output Units 48 4
Bus Type GDDR5 GDDR3
Bus Width 384-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 3000 million (Unknown) million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

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

Display Prices

Hide Prices

GeForce GTX 480

Amazon.com

Check prices at:

Radeon HD 3470 512MB

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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