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Geforce GTX 690 vs Radeon RX 480 4GB

Intro

The Geforce GTX 690 features core clock speeds of 915 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon RX 480 4GB, which comes with a core clock speed of 1120 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 256-bit memory bus, and uses a 14 nm design. It is made up of 2304 SPUs, 144 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB 150 Watts
Geforce GTX 690 300 Watts
Difference: 150 Watts (100%)

Memory Bandwidth

The Geforce GTX 690 should in theory be quite a bit faster than the Radeon RX 480 4GB overall. (explain)

Geforce GTX 690 384512 MB/sec
Radeon RX 480 4GB 229376 MB/sec
Difference: 155136 (68%)

Texel Rate

The Geforce GTX 690 will be much (more or less 45%) better at texture filtering than the Radeon RX 480 4GB. (explain)

Geforce GTX 690 234240 Mtexels/sec
Radeon RX 480 4GB 161280 Mtexels/sec
Difference: 72960 (45%)

Pixel Rate

The Geforce GTX 690 will be quite a bit (more or less 63%) better at full screen anti-aliasing than the Radeon RX 480 4GB, and capable of handling higher resolutions without losing too much performance. (explain)

Geforce GTX 690 58560 Mpixels/sec
Radeon RX 480 4GB 35840 Mpixels/sec
Difference: 22720 (63%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Geforce GTX 690

Amazon.com

Radeon RX 480 4GB

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 690 Radeon RX 480 4GB
Manufacturer nVidia AMD
Year April 2012 June 2016
Code Name GK104 Polaris 10
Memory 2048 MB (x2) 4096 MB
Core Speed 915 MHz (x2) 1120 MHz
Memory Speed 6008 MHz (x2) 7000 MHz
Power (Max TDP) 300 watts 150 watts
Bandwidth 384512 MB/sec 229376 MB/sec
Texel Rate 234240 Mtexels/sec 161280 Mtexels/sec
Pixel Rate 58560 Mpixels/sec 35840 Mpixels/sec
Unified Shaders 1536 (x2) 2304
Texture Mapping Units 128 (x2) 144
Render Output Units 32 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 28 nm 14 nm
Transistors 3540 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 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 AA, High Dynamic Range and higher screen resolutions.

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

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

Display Prices

Hide Prices

Geforce GTX 690

Amazon.com

Radeon RX 480 4GB

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.

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