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GeForce 8600 GT 1GB GDDR3 vs Radeon RX 480

Intro

The GeForce 8600 GT 1GB GDDR3 features clock speeds of 540 MHz on the GPU, and 700 MHz on the 1024 MB of GDDR3 memory. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Compare that to the Radeon RX 480, which comes with a core clock speed of 1120 MHz and a GDDR5 memory speed of 2000 MHz. It also uses a 256-bit memory bus, and makes use of a 14 nm design. It is made up of 2304 SPUs, 144 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3 47 Watts
Radeon RX 480 150 Watts
Difference: 103 Watts (219%)

Memory Bandwidth

Theoretically, the Radeon RX 480 should perform much faster than the GeForce 8600 GT 1GB GDDR3 in general. (explain)

Radeon RX 480 262144 MB/sec
GeForce 8600 GT 1GB GDDR3 22400 MB/sec
Difference: 239744 (1070%)

Texel Rate

The Radeon RX 480 should be a lot (about 1767%) faster with regards to anisotropic filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

Radeon RX 480 161280 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 152640 (1767%)

Pixel Rate

The Radeon RX 480 is a lot (approximately 730%) more effective at full screen anti-aliasing than the GeForce 8600 GT 1GB GDDR3, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon RX 480 35840 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 4320 Mpixels/sec
Difference: 31520 (730%)

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

Display Prices

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GeForce 8600 GT 1GB GDDR3

Amazon.com

Radeon RX 480

Amazon.com

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 480
Manufacturer nVidia AMD
Year April 2007 June 2016
Code Name G84 Polaris 10
Memory 1024 MB 8192 MB
Core Speed 540 MHz 1120 MHz
Memory Speed 1400 MHz 8000 MHz
Power (Max TDP) 47 watts 150 watts
Bandwidth 22400 MB/sec 262144 MB/sec
Texel Rate 8640 Mtexels/sec 161280 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 35840 Mpixels/sec
Unified Shaders 32 2304
Texture Mapping Units 16 144
Render Output Units 8 32
Bus Type GDDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 80 nm 14 nm
Transistors 289 million 5700 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be transferred over the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the 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 the video card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 1GB GDDR3

Amazon.com

Radeon RX 480

Amazon.com

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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