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GeForce GTX 480 vs Radeon RX 470

Intro

The GeForce GTX 480 has a GPU core speed of 700 MHz, and the 1536 MB of GDDR5 memory runs at 924 MHz through a 384-bit bus. It also is comprised of 480 Stream Processors, 60 TAUs, and 48 ROPs.

Compare all that to the Radeon RX 470, which has a clock speed of 926 MHz and a GDDR5 memory speed of 1650 MHz. It also uses a 256-bit bus, and makes use of a 14 nm design. It features 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
GeForce GTX 480 250 Watts
Difference: 130 Watts (108%)

Memory Bandwidth

As far as performance goes, the Radeon RX 470 should in theory be just a bit better than the GeForce GTX 480 overall. (explain)

Radeon RX 470 211200 MB/sec
GeForce GTX 480 177408 MB/sec
Difference: 33792 (19%)

Texel Rate

The Radeon RX 470 is much (about 182%) more effective at AF than the GeForce GTX 480. (explain)

Radeon RX 470 118528 Mtexels/sec
GeForce GTX 480 42000 Mtexels/sec
Difference: 76528 (182%)

Pixel Rate

The GeForce GTX 480 should be a small bit (about 13%) more effective at AA than the Radeon RX 470, and also should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 480 33600 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 3968 (13%)

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

Radeon RX 470

Amazon.com

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 RX 470
Manufacturer nVidia AMD
Year March 2010 August 2016
Code Name GF100 Polaris 10
Memory 1536 MB 8192 MB
Core Speed 700 MHz 926 MHz
Memory Speed 3696 MHz 6600 MHz
Power (Max TDP) 250 watts 120 watts
Bandwidth 177408 MB/sec 211200 MB/sec
Texel Rate 42000 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 480 2048
Texture Mapping Units 60 128
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 14 nm
Transistors 3000 million 5700 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's 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 number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs 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 output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

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