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Geforce GTX 770 vs Radeon RX 6600 XT

Intro

The Geforce GTX 770 has a clock speed of 1046 MHz and a GDDR5 memory speed of 1753 MHz. It also features a 256-bit memory bus, and makes use of a 28 nm design. It is made up of 1536 SPUs, 128 TAUs, and 32 Raster Operation Units.

Compare all of that to the Radeon RX 6600 XT, which comes with a core clock speed of 1968 MHz and a GDDR6 memory speed of 2000 MHz. It also makes use of a 128-bit memory bus, and uses a 7 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 64 Raster Operation Units.

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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

The Radeon RX 6600 XT should theoretically perform a little bit faster than the Geforce GTX 770 in general. (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 a lot (more or less 88%) faster with regards to texture 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

If using lots of anti-aliasing is important to you, then the Radeon RX 6600 XT is a better choice, and very much so. (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

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Radeon RX 6600 XT

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 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 maximum amount of data (in units of MB per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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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.

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