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Geforce GTX 690 vs Radeon RX 480 4GB

Intro

The Geforce GTX 690 features a core clock speed of 915 MHz and a GDDR5 memory frequency of 1502 MHz. It also makes use of a 256-bit bus, and uses a 28 nm design. It is made up of 1536 SPUs, 128 TAUs, and 32 ROPs.

Compare those specifications to the Radeon RX 480 4GB, which makes use of a 14 nm design. AMD has set the core speed at 1120 MHz. The GDDR5 memory runs at a frequency of 1750 MHz on this particular card. It features 2304 SPUs as well as 144 Texture Address Units and 32 ROPs.

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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

Theoretically speaking, the Geforce GTX 690 should perform a lot faster than the Radeon RX 480 4GB in general. (explain)

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

Texel Rate

The Geforce GTX 690 is quite a bit (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 is quite a bit (approximately 63%) more effective at AA than the Radeon RX 480 4GB, and also will be able to handle higher resolutions without slowing down too much. (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

Check prices at:

Radeon RX 480 4GB

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 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: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The higher 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Geforce GTX 690

Amazon.com

Check prices at:

Radeon RX 480 4GB

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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