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GeForce GTX 980 vs Radeon RX 6600

Intro

The GeForce GTX 980 features a clock speed of 1126 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 256-bit bus, and makes use of a 28 nm design. It features 2048 SPUs, 128 Texture Address Units, and 64 ROPs.

Compare all of that to the Radeon RX 6600, which has core clock speeds of 1626 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 memory. It features 1792 SPUs along with 112 Texture Address Units and 64 Rasterization Operator Units.

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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 should in theory perform a 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 is much (about 26%) more effective at anisotropic filtering 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 will be a lot (approximately 44%) more effective at FSAA than the GeForce GTX 980, and also capable of handling 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

Check prices at:

Radeon RX 6600

Amazon.com

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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: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better 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 amount of 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 the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max 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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