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GeForce 8800 Ultra vs GeForce GTX 560

Intro

The GeForce 8800 Ultra uses a 90 nm design. nVidia has set the core frequency at 612 MHz. The GDDR3 RAM works at a frequency of 1080 MHz on this card. It features 128 SPUs as well as 64 TAUs and 24 ROPs.

Compare those specs to the GeForce GTX 560, which features a clock frequency of 810 MHz and a GDDR5 memory speed of 1001 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It is comprised of 336 SPUs, 56 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 150 Watts
GeForce 8800 Ultra 171 Watts
Difference: 21 Watts (14%)

Memory Bandwidth

The GeForce GTX 560 should in theory be a lot faster than the GeForce 8800 Ultra overall. (explain)

GeForce GTX 560 128128 MB/sec
GeForce 8800 Ultra 103680 MB/sec
Difference: 24448 (24%)

Texel Rate

The GeForce GTX 560 is a small bit (more or less 16%) better at AF than the GeForce 8800 Ultra. (explain)

GeForce GTX 560 45360 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 6192 (16%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 560 is superior to the GeForce 8800 Ultra, by far. (explain)

GeForce GTX 560 25920 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 11232 (76%)

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 560

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 560
Manufacturer nVidia nVidia
Year May 2007 May 2011
Code Name G80 GF114
Memory 768 MB 1024 MB
Core Speed 612 MHz 810 MHz
Memory Speed 2160 MHz 4004 MHz
Power (Max TDP) 171 watts 150 watts
Bandwidth 103680 MB/sec 128128 MB/sec
Texel Rate 39168 Mtexels/sec 45360 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 25920 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 2.0 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core 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 output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 8800 Ultra

Amazon.com

Check prices at:

GeForce GTX 560

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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