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Geforce GTX 770 vs Radeon RX 6600 XT

Intro

The Geforce GTX 770 has a GPU clock speed of 1046 MHz, and the 2048 MB of GDDR5 memory runs at 1753 MHz through a 256-bit bus. It also is made up of 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

Compare all of that to the Radeon RX 6600 XT, which features a GPU core clock speed of 1968 MHz, and 8192 MB of GDDR6 memory set to run at 2000 MHz through a 128-bit bus. It also is comprised of 2048 Stream Processors, 128 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 XT 160 Watts
Geforce GTX 770 230 Watts
Difference: 70 Watts (44%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6600 XT should be just a bit faster than the Geforce GTX 770 overall. (explain)

Radeon RX 6600 XT 262144 MB/sec
Geforce GTX 770 224384 MB/sec
Difference: 37760 (17%)

Texel Rate

The Radeon RX 6600 XT will be quite a bit (about 88%) faster with regards to anisotropic filtering than the Geforce GTX 770. (explain)

Radeon RX 6600 XT 251904 Mtexels/sec
Geforce GTX 770 133888 Mtexels/sec
Difference: 118016 (88%)

Pixel Rate

The Radeon RX 6600 XT will be a lot (more or less 276%) faster with regards to AA than the Geforce GTX 770, and also should be capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
Geforce GTX 770 33472 Mpixels/sec
Difference: 92480 (276%)

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 770

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 770 Radeon RX 6600 XT
Manufacturer nVidia AMD
Year May 2013 August 2021
Code Name GK104 Navi 23 XT
Memory 2048 MB 8192 MB
Core Speed 1046 MHz 1968 MHz
Memory Speed 7012 MHz 4000 GB/s
Power (Max TDP) 230 watts 160 watts
Bandwidth 224384 MB/sec 262144 MB/sec
Texel Rate 133888 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 1536 2048
Texture Mapping Units 128 128
Render Output Units 32 64
Bus Type GDDR5 GDDR6
Bus Width 256-bit 128-bit
Fab Process 28 nm 7 nm
Transistors 3540 million 11060 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 11.0 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Geforce GTX 770

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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