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GeForce 8800 GT 512MB vs GeForce GTX 780 Ti


The GeForce 8800 GT 512MB uses a 65 nm design. nVidia has set the core frequency at 600 MHz. The GDDR3 memory runs at a speed of 900 MHz on this particular model. It features 112 SPUs along with 56 Texture Address Units and 16 Rasterization Operator Units.

Compare all that to the GeForce GTX 780 Ti, which comes with a clock frequency of 875 MHz and a GDDR5 memory frequency of 1750 MHz. It also features a 384-bit memory bus, and uses a 28 nm design. It features 2880 SPUs, 240 Texture Address Units, and 48 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 512MB 105 Watts
GeForce GTX 780 Ti 250 Watts
Difference: 145 Watts (138%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 780 Ti will be 483% quicker than the GeForce 8800 GT 512MB overall, due to its greater data rate. (explain)

GeForce GTX 780 Ti 336000 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 278400 (483%)

Texel Rate

The GeForce GTX 780 Ti is much (more or less 525%) faster with regards to anisotropic filtering than the GeForce 8800 GT 512MB. (explain)

GeForce GTX 780 Ti 210000 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 176400 (525%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 780 Ti is superior to the GeForce 8800 GT 512MB, and very much so. (explain)

GeForce GTX 780 Ti 42000 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 32400 (338%)

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 GT 512MB

GeForce GTX 780 Ti

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.


Display Specifications

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Model GeForce 8800 GT 512MB GeForce GTX 780 Ti
Manufacturer nVidia nVidia
Year Oct 2007 November 2013
Code Name G92 GK110
Memory 512 MB 3072 MB
Core Speed 600 MHz 875 MHz
Memory Speed 1800 MHz 7000 MHz
Power (Max TDP) 105 watts 250 watts
Bandwidth 57600 MB/sec 336000 MB/sec
Texel Rate 33600 Mtexels/sec 210000 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 42000 Mpixels/sec
Unified Shaders 112 2880
Texture Mapping Units 56 240
Render Output Units 16 48
Bus Type GDDR3 GDDR5
Bus Width 256-bit 384-bit
Fab Process 65 nm 28 nm
Transistors 754 million 7080 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.4

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.


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