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GeForce 8800 GS vs GeForce GTX 850M

Intro

The GeForce 8800 GS features a GPU clock speed of 550 MHz, and the 384 MB of GDDR3 memory is set to run at 800 MHz through a 192-bit bus. It also is comprised of 96 SPUs, 48 TAUs, and 12 Raster Operation Units.

Compare those specifications to the GeForce GTX 850M, which comes with GPU clock speed of 876 MHz, and 2048 MB of DDR3 memory set to run at 1000 MHz through a 128-bit bus. It also features 640 SPUs, 40 TAUs, and 16 Raster Operation 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 will be 20% faster than the GeForce GTX 850M in general, due to its greater bandwidth. (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%) faster with regards to texture filtering than the GeForce 8800 GS. (explain)

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

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 850M is a better choice, and very much so. (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

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.

Specifications

Display 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: Memory bandwidth is the max amount of data (counted in MB per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

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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