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GeForce 8800 GT 512MB vs Radeon RX 460 2GB

Intro

The GeForce 8800 GT 512MB comes with a GPU core clock speed of 600 MHz, and the 512 MB of GDDR3 RAM is set to run at 900 MHz through a 256-bit bus. It also is made up of 112 Stream Processors, 56 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon RX 460 2GB, which features a clock frequency of 1090 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 128-bit memory bus, and makes use of a 14 nm design. It features 896 SPUs, 56 Texture Address Units, and 16 ROPs.

Display Graphs

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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

Performance-wise, the Radeon RX 460 2GB should theoretically be much better than the GeForce 8800 GT 512MB overall. (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 quite a bit (about 82%) better at anisotropic 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

If using high levels of AA is important to you, then the Radeon RX 460 2GB is superior to the GeForce 8800 GT 512MB, by far. (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

GeForce 8800 GT 512MB

Radeon RX 460 2GB

Specifications

Display 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: Bandwidth is the maximum amount of data (in units of MB per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

GeForce 8800 GT 512MB

Radeon RX 460 2GB

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