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GeForce GTX 980 vs Radeon RX 6600

Intro

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

Compare those specs 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 RAM. It features 1792 SPUs as well as 112 TAUs and 64 Rasterization Operator 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

In theory, the Radeon RX 6600 should be a small 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 (approximately 26%) better 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 quite a bit (approximately 44%) more effective at FSAA than the GeForce GTX 980, and also able to handle higher 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

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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: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock 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 one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few 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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