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GeForce 8800 GTX vs GeForce GTX 750

Intro

The GeForce 8800 GTX has a clock speed of 575 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 384-bit memory bus, and uses a 90 nm design. It features 128 SPUs, 64 Texture Address Units, and 24 Raster Operation Units.

Compare those specifications to the GeForce GTX 750, which features a clock speed of 1020 MHz and a GDDR5 memory speed of 1250 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It is made up of 512 SPUs, 32 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 55 Watts
GeForce 8800 GTX 155 Watts
Difference: 100 Watts (182%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GTX should be 8% quicker than the GeForce GTX 750 in general, due to its greater data rate. (explain)

GeForce 8800 GTX 86400 MB/sec
GeForce GTX 750 80000 MB/sec
Difference: 6400 (8%)

Texel Rate

The GeForce 8800 GTX will be just a bit (more or less 13%) better at texture filtering than the GeForce GTX 750. (explain)

GeForce 8800 GTX 36800 Mtexels/sec
GeForce GTX 750 32640 Mtexels/sec
Difference: 4160 (13%)

Pixel Rate

The GeForce GTX 750 is a small bit (more or less 18%) more effective at FSAA than the GeForce 8800 GTX, and also able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 750 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

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GeForce GTX 750

Amazon.com

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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
Manufacturer nVidia nVidia
Year Nov 2006 February 2014
Code Name G80 GM107
Memory 768 MB 1024 MB
Core Speed 575 MHz 1020 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) 155 watts 55 watts
Bandwidth 86400 MB/sec 80000 MB/sec
Texel Rate 36800 Mtexels/sec 32640 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 16320 Mpixels/sec
Unified Shaders 128 512
Texture Mapping Units 64 32
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: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

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

Display Prices

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GeForce 8800 GTX

Amazon.com

Check prices at:

GeForce GTX 750

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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