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Geforce GTX 670 vs Radeon RX 6600

Intro

The Geforce GTX 670 makes use of a 28 nm design. nVidia has set the core speed at 915 MHz. The GDDR5 memory is set to run at a frequency of 1500 MHz on this particular model. It features 1344 SPUs along with 112 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon RX 6600, which features a clock speed of 1626 MHz and a GDDR6 memory frequency of 1750 MHz. It also uses a 128-bit memory bus, and uses a 7 nm design. It is comprised of 1792 SPUs, 112 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 132 Watts
Geforce GTX 670 170 Watts
Difference: 38 Watts (29%)

Memory Bandwidth

Theoretically, the Radeon RX 6600 should perform a little bit faster than the Geforce GTX 670 overall. (explain)

Radeon RX 6600 229376 MB/sec
Geforce GTX 670 192000 MB/sec
Difference: 37376 (19%)

Texel Rate

The Radeon RX 6600 will be quite a bit (about 78%) more effective at texture filtering than the Geforce GTX 670. (explain)

Radeon RX 6600 182112 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 79632 (78%)

Pixel Rate

The Radeon RX 6600 is quite a bit (approximately 255%) faster with regards to FSAA than the Geforce GTX 670, and should be capable of handling higher screen resolutions better. (explain)

Radeon RX 6600 104064 Mpixels/sec
Geforce GTX 670 29280 Mpixels/sec
Difference: 74784 (255%)

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 670

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 670 Radeon RX 6600
Manufacturer nVidia AMD
Year May 2012 October 2021
Code Name GK104 Navi 23
Memory 2048 MB 8192 MB
Core Speed 915 MHz 1626 MHz
Memory Speed 6000 MHz 3500 GB/s
Power (Max TDP) 170 watts 132 watts
Bandwidth 192000 MB/sec 229376 MB/sec
Texel Rate 102480 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 1344 1792
Texture Mapping Units 112 112
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 4.2 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Geforce GTX 670

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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