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GeForce 8800 Ultra vs Radeon RX 460


Intro

The GeForce 8800 Ultra has clock speeds of 612 MHz on the GPU, and 1080 MHz on the 768 MB of GDDR3 memory. It features 128 SPUs as well as 64 Texture Address Units and 24 ROPs.

Compare all of that to the Radeon RX 460, which makes use of a 14 nm design. AMD has set the core frequency at 1090 MHz. The GDDR5 RAM works at a speed of 1750 MHz on this specific model. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

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 should in theory perform a small 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 quite a bit (about 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

If running with a high screen resolution is important to you, then the Radeon RX 460 is superior to the GeForce 8800 Ultra, but it probably won't make a huge difference. (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

GeForce 8800 Ultra

Radeon RX 460

Specifications

Display 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total texture units of the card by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called 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 max fill rate.

GeForce 8800 Ultra

Radeon RX 460

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