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GeForce 8800 Ultra vs GeForce GTX 650 Ti 2GB

Intro

The GeForce 8800 Ultra comes with core clock speeds of 612 MHz on the GPU, and 1080 MHz on the 768 MB of GDDR3 RAM. It features 128 SPUs along with 64 TAUs and 24 Rasterization Operator Units.

Compare those specs to the GeForce GTX 650 Ti 2GB, which makes use of a 28 nm design. nVidia has set the core frequency at 928 MHz. The GDDR5 RAM is set to run at a frequency of 1350 MHz on this card. It features 768 SPUs as well as 64 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce 8800 Ultra 171 Watts
Difference: 61 Watts (55%)

Memory Bandwidth

In theory, the GeForce 8800 Ultra should be 20% quicker than the GeForce GTX 650 Ti 2GB overall, because of its greater data rate. (explain)

GeForce 8800 Ultra 103680 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 17280 (20%)

Texel Rate

The GeForce GTX 650 Ti 2GB is much (more or less 52%) better at anisotropic filtering than the GeForce 8800 Ultra. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 20224 (52%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 650 Ti 2GB is the winner, but not by far. (explain)

GeForce GTX 650 Ti 2GB 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 2GB

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 2GB
Manufacturer nVidia nVidia
Year May 2007 October 2012
Code Name G80 GK106
Memory 768 MB 2048 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: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, the result should 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated 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 drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 Ultra

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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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