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GeForce 8800 GT 512MB vs Radeon RX 460 2GB


Intro

The GeForce 8800 GT 512MB makes use of a 65 nm design. nVidia has set the core speed at 600 MHz. The GDDR3 RAM is set to run at a frequency of 900 MHz on this particular model. It features 112 SPUs along with 56 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon RX 460 2GB, which has clock speeds of 1090 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 RAM. It features 896 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

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

The Radeon RX 460 2GB should in theory perform quite a bit faster than the GeForce 8800 GT 512MB in general. (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 a lot (about 82%) more effective at AF 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 running with lots of anti-aliasing is important to you, then the Radeon RX 460 2GB is superior to the GeForce 8800 GT 512MB, and very much so. (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 largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better 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 amount of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

GeForce 8800 GT 512MB

Radeon RX 460 2GB

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