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GeForce 8800 GS vs GeForce GTX 850M

Intro

The GeForce 8800 GS uses a 65 nm design. nVidia has clocked the core speed at 550 MHz. The GDDR3 RAM is set to run at a frequency of 800 MHz on this particular card. It features 96 SPUs as well as 48 TAUs and 12 Rasterization Operator Units.

Compare all of that to the GeForce GTX 850M, which comes with clock speeds of 876 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M 40 Watts
GeForce 8800 GS 105 Watts
Difference: 65 Watts (163%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GS should be 20% quicker than the GeForce GTX 850M in general, due to its higher data rate. (explain)

GeForce 8800 GS 38400 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 6400 (20%)

Texel Rate

The GeForce GTX 850M will be quite a bit (approximately 33%) more effective at AF than the GeForce 8800 GS. (explain)

GeForce GTX 850M 35040 Mtexels/sec
GeForce 8800 GS 26400 Mtexels/sec
Difference: 8640 (33%)

Pixel Rate

The GeForce GTX 850M is much (more or less 112%) faster with regards to full screen anti-aliasing than the GeForce 8800 GS, and also capable of handling higher resolutions better. (explain)

GeForce GTX 850M 14016 Mpixels/sec
GeForce 8800 GS 6600 Mpixels/sec
Difference: 7416 (112%)

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 GS

Amazon.com

Check prices at:

GeForce GTX 850M

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 GS GeForce GTX 850M
Manufacturer nVidia nVidia
Year Jan 2008 March 12 2014
Code Name G92 GM107
Memory 384 MB 2048 MB
Core Speed 550 MHz 876 MHz
Memory Speed 1600 MHz 2000 MHz
Power (Max TDP) 105 watts 40 watts
Bandwidth 38400 MB/sec 32000 MB/sec
Texel Rate 26400 Mtexels/sec 35040 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 14016 Mpixels/sec
Unified Shaders 96 640
Texture Mapping Units 48 40
Render Output Units 12 16
Bus Type GDDR3 DDR3
Bus Width 192-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's 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 is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 8800 GS

Amazon.com

Check prices at:

GeForce GTX 850M

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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