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GeForce 8800 GT 512MB vs Radeon RX 460 2GB

Intro

The GeForce 8800 GT 512MB features a GPU core speed of 600 MHz, and the 512 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also features 112 Stream Processors, 56 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon RX 460 2GB, which comes with a clock speed of 1090 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 128-bit bus, and makes use of a 14 nm design. It features 896 SPUs, 56 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB 75 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 30 Watts (40%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 460 2GB should be 94% faster than the GeForce 8800 GT 512MB in general, because of its higher bandwidth. (explain)

Radeon RX 460 2GB 112000 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 54400 (94%)

Texel Rate

The Radeon RX 460 2GB should be quite a bit (more or less 82%) better at texture filtering than the GeForce 8800 GT 512MB. (explain)

Radeon RX 460 2GB 61040 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 27440 (82%)

Pixel Rate

The Radeon RX 460 2GB will be a lot (approximately 82%) faster with regards to AA than the GeForce 8800 GT 512MB, and will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 460 2GB 17440 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 7840 (82%)

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 8800 GT 512MB

Amazon.com

Radeon RX 460 2GB

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 8800 GT 512MB Radeon RX 460 2GB
Manufacturer nVidia AMD
Year Oct 2007 August 2016
Code Name G92 Polaris 11
Memory 512 MB 2048 MB
Core Speed 600 MHz 1090 MHz
Memory Speed 1800 MHz 7000 MHz
Power (Max TDP) 105 watts 75 watts
Bandwidth 57600 MB/sec 112000 MB/sec
Texel Rate 33600 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 112 896
Texture Mapping Units 56 56
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 14 nm
Transistors 754 million 3000 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's 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 can be applied in one second. This number is worked out by multiplying the total texture units 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 record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs 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 is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

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