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GeForce GTX 980 vs Radeon RX 6600

Intro

The GeForce GTX 980 has a GPU core clock speed of 1126 MHz, and the 4096 MB of GDDR5 memory is set to run at 1750 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 128 Texture Address Units, and 64 Raster Operation Units.

Compare all that to the Radeon RX 6600, which comes with a GPU core clock speed of 1626 MHz, and 8192 MB of GDDR6 RAM set to run at 1750 MHz through a 128-bit bus. It also features 1792 Stream Processors, 112 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 132 Watts
GeForce GTX 980 165 Watts
Difference: 33 Watts (25%)

Memory Bandwidth

The Radeon RX 6600, in theory, should perform a little bit faster than the GeForce GTX 980 overall. (explain)

Radeon RX 6600 229376 MB/sec
GeForce GTX 980 224000 MB/sec
Difference: 5376 (2%)

Texel Rate

The Radeon RX 6600 will be quite a bit (about 26%) more effective at AF than the GeForce GTX 980. (explain)

Radeon RX 6600 182112 Mtexels/sec
GeForce GTX 980 144128 Mtexels/sec
Difference: 37984 (26%)

Pixel Rate

The Radeon RX 6600 is quite a bit (more or less 44%) faster with regards to AA than the GeForce GTX 980, and also will be able to handle higher screen resolutions better. (explain)

Radeon RX 6600 104064 Mpixels/sec
GeForce GTX 980 72064 Mpixels/sec
Difference: 32000 (44%)

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 980

Amazon.com

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Radeon RX 6600

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 980 Radeon RX 6600
Manufacturer nVidia AMD
Year September 2014 October 2021
Code Name GM204-400 Navi 23
Memory 4096 MB 8192 MB
Core Speed 1126 MHz 1626 MHz
Memory Speed 7000 MHz 3500 GB/s
Power (Max TDP) 165 watts 132 watts
Bandwidth 224000 MB/sec 229376 MB/sec
Texel Rate 144128 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 2048 1792
Texture Mapping Units 128 112
Render Output Units 64 64
Bus Type GDDR5 GDDR6
Bus Width 256-bit 128-bit
Fab Process 28 nm 7 nm
Transistors 5200 million 11060 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better 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 texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units 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 processed in one second.

Pixel Rate: Pixel rate is the most 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 worked out by multiplying the amount of 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 quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 980

Amazon.com

Check prices at:

Radeon RX 6600

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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