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GeForce 8600 GT 512MB DDR2 vs Radeon RX 6650 XT

Intro

The GeForce 8600 GT 512MB DDR2 comes with a GPU core clock speed of 540 MHz, and the 512 MB of DDR2 RAM is set to run at 400 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 TAUs, and 8 Raster Operation Units.

Compare those specifications to the Radeon RX 6650 XT, which uses a 7 nm design. AMD has clocked the core frequency at 2055 MHz. The GDDR6 RAM runs at a speed of 2190 MHz on this specific card. It features 2048 SPUs along with 128 Texture Address Units and 64 Rasterization Operator Units.

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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

As far as performance goes, the Radeon RX 6650 XT should in theory be quite a bit superior to the GeForce 8600 GT 512MB DDR2 in general. (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 will be quite a bit (approximately 2944%) more effective at texture 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 lots of anti-aliasing is important to you, then the Radeon RX 6650 XT is the winner, 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 data (in units of MB per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units 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 output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

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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