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GeForce 8800 Ultra vs Radeon RX 460

Intro

The GeForce 8800 Ultra comes with a GPU clock speed of 612 MHz, and the 768 MB of GDDR3 memory runs at 1080 MHz through a 384-bit bus. It also features 128 Stream Processors, 64 TAUs, and 24 ROPs.

Compare all that to the Radeon RX 460, which makes use of a 14 nm design. AMD has clocked the core frequency at 1090 MHz. The GDDR5 memory runs at a frequency of 1750 MHz on this particular card. 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 75 Watts
GeForce 8800 Ultra 171 Watts
Difference: 96 Watts (128%)

Memory Bandwidth

The Radeon RX 460, in theory, should be a little bit faster than the GeForce 8800 Ultra in general. (explain)

Radeon RX 460 112000 MB/sec
GeForce 8800 Ultra 103680 MB/sec
Difference: 8320 (8%)

Texel Rate

The Radeon RX 460 will be much (more or less 56%) more effective at anisotropic filtering than the GeForce 8800 Ultra. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 21872 (56%)

Pixel Rate

The Radeon RX 460 is a bit (approximately 19%) more effective at full screen anti-aliasing than the GeForce 8800 Ultra, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 460 17440 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 2752 (19%)

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 Ultra

Amazon.com

Radeon RX 460

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 Ultra Radeon RX 460
Manufacturer nVidia AMD
Year May 2007 August 2016
Code Name G80 Polaris 11
Memory 768 MB 4096 MB
Core Speed 612 MHz 1090 MHz
Memory Speed 2160 MHz 7000 MHz
Power (Max TDP) 171 watts 75 watts
Bandwidth 103680 MB/sec 112000 MB/sec
Texel Rate 39168 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 128 896
Texture Mapping Units 64 56
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 14 nm
Transistors 681 million 3000 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 max amount of information (in units of MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the 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 that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units 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 fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

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