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GeForce GTX 970 vs Radeon RX 6600 XT

Intro

The GeForce GTX 970 makes use of a 28 nm design. nVidia has clocked the core frequency at 1050 MHz. The GDDR5 RAM runs at a frequency of 1750 MHz on this model. It features 1664 SPUs along with 104 Texture Address Units and 64 ROPs.

Compare all that to the Radeon RX 6600 XT, which has clock speeds of 1968 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR6 memory. It features 2048 SPUs along with 128 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Radeon RX 6600 XT 160 Watts
Difference: 15 Watts (10%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6600 XT should perform a small bit faster than the GeForce GTX 970 overall. (explain)

Radeon RX 6600 XT 262144 MB/sec
GeForce GTX 970 224000 MB/sec
Difference: 38144 (17%)

Texel Rate

The Radeon RX 6600 XT should be quite a bit (more or less 131%) more effective at anisotropic filtering than the GeForce GTX 970. (explain)

Radeon RX 6600 XT 251904 Mtexels/sec
GeForce GTX 970 109200 Mtexels/sec
Difference: 142704 (131%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6600 XT is superior to the GeForce GTX 970, by far. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
GeForce GTX 970 67200 Mpixels/sec
Difference: 58752 (87%)

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 970

Amazon.com

Check prices at:

Radeon RX 6600 XT

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 970 Radeon RX 6600 XT
Manufacturer nVidia AMD
Year September 2014 August 2021
Code Name GM204-200 Navi 23 XT
Memory 4096 MB 8192 MB
Core Speed 1050 MHz 1968 MHz
Memory Speed 7000 MHz 4000 GB/s
Power (Max TDP) 145 watts 160 watts
Bandwidth 224000 MB/sec 262144 MB/sec
Texel Rate 109200 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 1664 2048
Texture Mapping Units 104 128
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 largest amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 once 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the card will be at handling 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 chip can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated 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 filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 970

Amazon.com

Check prices at:

Radeon RX 6600 XT

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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