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GeForce 8800 GTX vs GeForce GTX 750 Ti

Intro

The GeForce 8800 GTX makes use of a 90 nm design. nVidia has clocked the core speed at 575 MHz. The GDDR3 memory is set to run at a frequency of 900 MHz on this model. It features 128 SPUs as well as 64 TAUs and 24 Rasterization Operator Units.

Compare all that to the GeForce GTX 750 Ti, which has a GPU core clock speed of 1020 MHz, and 2048 MB of GDDR5 RAM set to run at 1350 MHz through a 128-bit bus. It also is comprised of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti 60 Watts
GeForce 8800 GTX 155 Watts
Difference: 95 Watts (158%)

Memory Bandwidth

Both cards have the exact same memory bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The GeForce GTX 750 Ti is just a bit (about 11%) more effective at anisotropic filtering than the GeForce 8800 GTX. (explain)

GeForce GTX 750 Ti 40800 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 4000 (11%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 750 Ti is a better choice, though only just barely. (explain)

GeForce GTX 750 Ti 16320 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 2520 (18%)

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 GTX

Amazon.com

Check prices at:

GeForce GTX 750 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 GTX GeForce GTX 750 Ti
Manufacturer nVidia nVidia
Year Nov 2006 February 2014
Code Name G80 GM107
Memory 768 MB 2048 MB
Core Speed 575 MHz 1020 MHz
Memory Speed 1800 MHz 5400 MHz
Power (Max TDP) 155 watts 60 watts
Bandwidth 86400 MB/sec 86400 MB/sec
Texel Rate 36800 Mtexels/sec 40800 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 16320 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million 1870 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.4

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 can be processed in one second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher 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 most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 8800 GTX

Amazon.com

Check prices at:

GeForce GTX 750 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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