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GeForce 8800 GTS (G80) 320MB vs GeForce GTX 950M

Intro

The GeForce 8800 GTS (G80) 320MB uses a 90 nm design. nVidia has clocked the core frequency at 513 MHz. The GDDR3 RAM runs at a frequency of 792 MHz on this particular card. It features 96 SPUs as well as 48 TAUs and 20 ROPs.

Compare those specifications to the GeForce GTX 950M, which has GPU core speed of 914 MHz, and 2048 MB of DDR3 RAM set to run at 1000 MHz through a 128-bit bus. It also is made up of 640 Stream Processors, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 88 Watts (160%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GTS (G80) 320MB should be 98% faster than the GeForce GTX 950M overall, due to its greater bandwidth. (explain)

GeForce 8800 GTS (G80) 320MB 63360 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 31360 (98%)

Texel Rate

The GeForce GTX 950M will be much (approximately 48%) more effective at anisotropic filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce GTX 950M 36560 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 11936 (48%)

Pixel Rate

The GeForce GTX 950M will be much (approximately 43%) more effective at AA than the GeForce 8800 GTS (G80) 320MB, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 950M 14624 Mpixels/sec
GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Difference: 4364 (43%)

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 950M

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 GTS (G80) 320MB GeForce GTX 950M
Manufacturer nVidia nVidia
Year Feb 2007 March 12 2015
Code Name G80 GM107
Memory 320 MB 2048 MB
Core Speed 513 MHz 914 MHz
Memory Speed 1584 MHz 2000 MHz
Power (Max TDP) 143 watts 55 watts
Bandwidth 63360 MB/sec 32000 MB/sec
Texel Rate 24624 Mtexels/sec 36560 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 14624 Mpixels/sec
Unified Shaders 96 640
Texture Mapping Units 48 40
Render Output Units 20 16
Bus Type GDDR3 DDR3
Bus Width 320-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

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

Display Prices

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GeForce 8800 GTS (G80) 320MB

Amazon.com

Check prices at:

GeForce GTX 950M

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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