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GeForce 8800 GT 512MB vs Radeon RX 460 2GB

Intro

The GeForce 8800 GT 512MB has a core clock frequency of 600 MHz and a GDDR3 memory speed of 900 MHz. It also features a 256-bit bus, and uses a 65 nm design. It features 112 SPUs, 56 TAUs, and 16 ROPs.

Compare all that to the Radeon RX 460 2GB, which has GPU core speed of 1090 MHz, and 2048 MB of GDDR5 RAM running at 1750 MHz through a 128-bit bus. It also features 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

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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

In theory, the Radeon RX 460 2GB should be 94% faster than the GeForce 8800 GT 512MB in general, due to its greater data rate. (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 is much (approximately 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 is much (approximately 82%) better at full screen anti-aliasing than the GeForce 8800 GT 512MB, and capable of handling higher resolutions without losing too much performance. (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 max amount of information (counted in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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