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GeForce 8800 GT 512MB vs GeForce GTX 650 Ti

Intro

The GeForce 8800 GT 512MB has a clock speed of 600 MHz and a GDDR3 memory frequency of 900 MHz. It also features a 256-bit bus, and makes use of a 65 nm design. It is made up of 112 SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare those specs to the GeForce GTX 650 Ti, which has GPU clock speed of 928 MHz, and 1024 MB of GDDR5 RAM set to run at 1350 MHz through a 128-bit bus. It also features 768 Stream Processors, 64 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 512MB 105 Watts
GeForce GTX 650 Ti 110 Watts
Difference: 5 Watts (5%)

Memory Bandwidth

The GeForce GTX 650 Ti should in theory perform a lot faster than the GeForce 8800 GT 512MB in general. (explain)

GeForce GTX 650 Ti 86400 MB/sec
GeForce 8800 GT 512MB 57600 MB/sec
Difference: 28800 (50%)

Texel Rate

The GeForce GTX 650 Ti will be much (more or less 77%) more effective at AF than the GeForce 8800 GT 512MB. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 25792 (77%)

Pixel Rate

The GeForce GTX 650 Ti will be quite a bit (about 55%) more effective at anti-aliasing than the GeForce 8800 GT 512MB, and should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 5248 (55%)

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

Amazon.com

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GeForce GTX 650 Ti

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 GT 512MB GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year Oct 2007 October 2012
Code Name G92 GK106
Memory 512 MB 1024 MB
Core Speed 600 MHz 928 MHz
Memory Speed 1800 MHz 5400 MHz
Power (Max TDP) 105 watts 110 watts
Bandwidth 57600 MB/sec 86400 MB/sec
Texel Rate 33600 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 112 768
Texture Mapping Units 56 64
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million 2540 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high 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 better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount 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 filling the screen with pixels (the image). The actual pixel output rate is also dependant 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.

Display Prices

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GeForce 8800 GT 512MB

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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