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GeForce 8600 GT 1GB GDDR3 vs Radeon RX 6900 XT

Intro

The GeForce 8600 GT 1GB GDDR3 has a clock frequency of 540 MHz and a GDDR3 memory speed of 700 MHz. It also makes use of a 128-bit bus, and uses a 80 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specs to the Radeon RX 6900 XT, which comes with core speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 memory. It features 5120 SPUs along with 320 TAUs and 128 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3 47 Watts
Radeon RX 6900 XT 300 Watts
Difference: 253 Watts (538%)

Memory Bandwidth

The Radeon RX 6900 XT should theoretically perform a lot faster than the GeForce 8600 GT 1GB GDDR3 overall. (explain)

Radeon RX 6900 XT 524288 MB/sec
GeForce 8600 GT 1GB GDDR3 22400 MB/sec
Difference: 501888 (2241%)

Texel Rate

The Radeon RX 6900 XT should be quite a bit (more or less 6659%) faster with regards to texture filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

Radeon RX 6900 XT 584000 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 575360 (6659%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 6900 XT is superior to the GeForce 8600 GT 1GB GDDR3, by far. (explain)

Radeon RX 6900 XT 233600 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 4320 Mpixels/sec
Difference: 229280 (5307%)

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 GDDR3

Amazon.com

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Radeon RX 6900 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 GDDR3 Radeon RX 6900 XT
Manufacturer nVidia AMD
Year April 2007 2020
Code Name G84 Navi 21
Memory 1024 MB 16384 MB
Core Speed 540 MHz 1825 MHz
Memory Speed 1400 MHz 4000 GB/s
Power (Max TDP) 47 watts 300 watts
Bandwidth 22400 MB/sec 524288 MB/sec
Texel Rate 8640 Mtexels/sec 584000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 32 5120
Texture Mapping Units 16 320
Render Output Units 8 128
Bus Type GDDR3 GDDR6
Bus Width 128-bit 256-bit
Fab Process 80 nm 7 nm
Transistors 289 million 26800 million
Bus PCIe x16 PCIe 4.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of 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 1GB GDDR3

Amazon.com

Check prices at:

Radeon RX 6900 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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