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GeForce 8600 GT 1GB DDR2 vs Radeon RX 6650 XT

Intro

The GeForce 8600 GT 1GB DDR2 uses a 80 nm design. nVidia has set the core speed at 540 MHz. The DDR2 memory works at a speed of 400 MHz on this card. It features 32 SPUs as well as 16 TAUs and 8 ROPs.

Compare all that to the Radeon RX 6650 XT, which comes with core speeds of 2055 MHz on the GPU, and 2190 MHz on the 8192 MB of GDDR6 RAM. It features 2048 SPUs along with 128 TAUs and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB DDR2 47 Watts
Radeon RX 6650 XT 176 Watts
Difference: 129 Watts (274%)

Memory Bandwidth

The Radeon RX 6650 XT should theoretically be much faster than the GeForce 8600 GT 1GB DDR2 in general. (explain)

Radeon RX 6650 XT 287072 MB/sec
GeForce 8600 GT 1GB DDR2 12800 MB/sec
Difference: 274272 (2143%)

Texel Rate

The Radeon RX 6650 XT is quite a bit (about 2944%) more effective at AF than the GeForce 8600 GT 1GB DDR2. (explain)

Radeon RX 6650 XT 263040 Mtexels/sec
GeForce 8600 GT 1GB 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 superior to the GeForce 8600 GT 1GB DDR2, and very much so. (explain)

Radeon RX 6650 XT 131520 Mpixels/sec
GeForce 8600 GT 1GB 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 1GB 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 1GB DDR2 Radeon RX 6650 XT
Manufacturer nVidia AMD
Year April 2007 May 2022
Code Name G84 Navi 23
Memory 1024 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 largest amount of data (measured in MB per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total texture units of the card 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 in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka 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 of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 1GB 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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