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GeForce 8800 GTS (G80) 320MB vs GeForce GTX 650 Ti 2GB

Intro

The GeForce 8800 GTS (G80) 320MB comes with core speeds of 513 MHz on the GPU, and 792 MHz on the 320 MB of GDDR3 memory. It features 96 SPUs as well as 48 TAUs and 20 Rasterization Operator Units.

Compare that to the GeForce GTX 650 Ti 2GB, which has core clock speeds of 928 MHz on the GPU, and 1350 MHz on the 2048 MB of GDDR5 memory. It features 768 SPUs along with 64 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 33 Watts (30%)

Memory Bandwidth

Theoretically, the GeForce GTX 650 Ti 2GB should perform quite a bit faster than the GeForce 8800 GTS (G80) 320MB in general. (explain)

GeForce GTX 650 Ti 2GB 86400 MB/sec
GeForce 8800 GTS (G80) 320MB 63360 MB/sec
Difference: 23040 (36%)

Texel Rate

The GeForce GTX 650 Ti 2GB should be quite a bit (more or less 141%) better at anisotropic filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 34768 (141%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 650 Ti 2GB is superior to the GeForce 8800 GTS (G80) 320MB, and very much so. (explain)

GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Difference: 4588 (45%)

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 GTS (G80) 320MB

Amazon.com

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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 GTS (G80) 320MB GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year Feb 2007 October 2012
Code Name G80 GK106
Memory 320 MB 2048 MB
Core Speed 513 MHz 928 MHz
Memory Speed 1584 MHz 5400 MHz
Power (Max TDP) 143 watts 110 watts
Bandwidth 63360 MB/sec 86400 MB/sec
Texel Rate 24624 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 96 768
Texture Mapping Units 48 64
Render Output Units 20 16
Bus Type GDDR3 GDDR5
Bus Width 320-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: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's 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 is calculated by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the video card will be at handling 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 write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 320MB

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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