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GeForce 8800 Ultra vs GeForce GTX 650 Ti

Intro

The GeForce 8800 Ultra comes with a clock speed of 612 MHz and a GDDR3 memory speed of 1080 MHz. It also uses a 384-bit memory bus, and makes use of a 90 nm design. It features 128 SPUs, 64 TAUs, and 24 Raster Operation Units.

Compare all of that to the GeForce GTX 650 Ti, which features a core clock speed of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It is comprised of 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 110 Watts
GeForce 8800 Ultra 171 Watts
Difference: 61 Watts (55%)

Memory Bandwidth

Theoretically, the GeForce 8800 Ultra should perform a little bit faster than the GeForce GTX 650 Ti overall. (explain)

GeForce 8800 Ultra 103680 MB/sec
GeForce GTX 650 Ti 86400 MB/sec
Difference: 17280 (20%)

Texel Rate

The GeForce GTX 650 Ti will be a lot (more or less 52%) faster with regards to AF than the GeForce 8800 Ultra. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 20224 (52%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 650 Ti is superior to the GeForce 8800 Ultra, though not by far. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 160 (1%)

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 650 Ti

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 650 Ti
Manufacturer nVidia nVidia
Year May 2007 October 2012
Code Name G80 GK106
Memory 768 MB 1024 MB
Core Speed 612 MHz 928 MHz
Memory Speed 2160 MHz 5400 MHz
Power (Max TDP) 171 watts 110 watts
Bandwidth 103680 MB/sec 86400 MB/sec
Texel Rate 39168 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 128 768
Texture Mapping Units 64 64
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million 2540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in MB per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the 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 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR 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 worked out 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 graphics 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 amount of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 8800 Ultra

Amazon.com

Check prices at:

GeForce GTX 650 Ti

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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