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GeForce 8800 Ultra vs GeForce GTX 460 1GB

Intro

The GeForce 8800 Ultra has a core clock speed of 612 MHz and a GDDR3 memory frequency of 1080 MHz. It also uses a 384-bit memory bus, and uses a 90 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 24 ROPs.

Compare all that to the GeForce GTX 460 1GB, which uses a 40 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR5 memory runs at a speed of 900 MHz on this specific model. It features 336 SPUs as well as 56 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
GeForce 8800 Ultra 171 Watts
Difference: 11 Watts (7%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 1GB should theoretically be just a bit better than the GeForce 8800 Ultra in general. (explain)

GeForce GTX 460 1GB 115200 MB/sec
GeForce 8800 Ultra 103680 MB/sec
Difference: 11520 (11%)

Texel Rate

The GeForce 8800 Ultra should be just a bit (approximately 4%) faster with regards to texture filtering than the GeForce GTX 460 1GB. (explain)

GeForce 8800 Ultra 39168 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 1368 (4%)

Pixel Rate

The GeForce GTX 460 1GB should be much (more or less 47%) faster with regards to FSAA than the GeForce 8800 Ultra, and also should be able to handle higher resolutions better. (explain)

GeForce GTX 460 1GB 21600 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 6912 (47%)

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

Check prices at:

GeForce GTX 460 1GB

Amazon.com

Check prices at:

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 GeForce GTX 460 1GB
Manufacturer nVidia nVidia
Year May 2007 July 2010
Code Name G80 GF104
Memory 768 MB 1024 MB
Core Speed 612 MHz 675 MHz
Memory Speed 2160 MHz 3600 MHz
Power (Max TDP) 171 watts 160 watts
Bandwidth 103680 MB/sec 115200 MB/sec
Texel Rate 39168 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 128 336
Texture Mapping Units 64 56
Render Output Units 24 32
Bus Type GDDR3 GDDR5
Bus Width 384-bit 256-bit
Fab Process 90 nm 40 nm
Transistors 681 million 1950 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock 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 higher the 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 number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of texture units 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce 8800 Ultra

Amazon.com

Check prices at:

GeForce GTX 460 1GB

Amazon.com

Check prices at:

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.

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