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GeForce 8600 GT 512MB DDR2 vs Radeon RX 6650 XT

Intro

The GeForce 8600 GT 512MB DDR2 features a core clock frequency of 540 MHz and a DDR2 memory frequency of 400 MHz. It also makes use of a 128-bit bus, and makes use of a 80 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the Radeon RX 6650 XT, which features core speeds of 2055 MHz on the GPU, and 2190 MHz on the 8192 MB of GDDR6 memory. It features 2048 SPUs as well as 128 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Radeon RX 6650 XT 176 Watts
Difference: 129 Watts (274%)

Memory Bandwidth

The Radeon RX 6650 XT should theoretically be a lot faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

Radeon RX 6650 XT 287072 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 274272 (2143%)

Texel Rate

The Radeon RX 6650 XT should be a lot (about 2944%) faster with regards to anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

Radeon RX 6650 XT 263040 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 254400 (2944%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 6650 XT is a better choice, and very much so. (explain)

Radeon RX 6650 XT 131520 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 127200 (2944%)

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 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon RX 6650 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 8600 GT 512MB DDR2 Radeon RX 6650 XT
Manufacturer nVidia AMD
Year April 2007 May 2022
Code Name G84 Navi 23
Memory 512 MB 8192 MB
Core Speed 540 MHz 2055 MHz
Memory Speed 800 MHz 4380 GB/s
Power (Max TDP) 47 watts 176 watts
Bandwidth 12800 MB/sec 287072 MB/sec
Texel Rate 8640 Mtexels/sec 263040 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 131520 Mpixels/sec
Unified Shaders 32 2048
Texture Mapping Units 16 128
Render Output Units 8 64
Bus Type DDR2 GDDR6
Bus Width 128-bit 128-bit
Fab Process 80 nm 7 nm
Transistors 289 million 11060 million
Bus PCIe x16 PCIe 4.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. 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 can be applied in one second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated 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 outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially 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 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Radeon RX 6650 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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