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GeForce 8800 GT 512MB vs GeForce GTX 850M

Intro

The GeForce 8800 GT 512MB features a clock speed of 600 MHz and a GDDR3 memory speed of 900 MHz. It also uses a 256-bit memory bus, and makes use of a 65 nm design. It features 112 SPUs, 56 TAUs, and 16 ROPs.

Compare those specifications to the GeForce GTX 850M, which has 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 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M 40 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 65 Watts (163%)

Memory Bandwidth

In theory, the GeForce 8800 GT 512MB is 80% faster than the GeForce GTX 850M in general, due to its higher data rate. (explain)

GeForce 8800 GT 512MB 57600 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 25600 (80%)

Texel Rate

The GeForce GTX 850M is a little bit (about 4%) more effective at anisotropic filtering than the GeForce 8800 GT 512MB. (explain)

GeForce GTX 850M 35040 Mtexels/sec
GeForce 8800 GT 512MB 33600 Mtexels/sec
Difference: 1440 (4%)

Pixel Rate

The GeForce GTX 850M is much (about 46%) better at full screen anti-aliasing than the GeForce 8800 GT 512MB, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 850M 14016 Mpixels/sec
GeForce 8800 GT 512MB 9600 Mpixels/sec
Difference: 4416 (46%)

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

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 GT 512MB GeForce GTX 850M
Manufacturer nVidia nVidia
Year Oct 2007 March 12 2014
Code Name G92 GM107
Memory 512 MB 2048 MB
Core Speed 600 MHz 876 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 105 watts 40 watts
Bandwidth 57600 MB/sec 32000 MB/sec
Texel Rate 33600 Mtexels/sec 35040 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 14016 Mpixels/sec
Unified Shaders 112 640
Texture Mapping Units 56 40
Render Output Units 16 16
Bus Type GDDR3 DDR3
Bus Width 256-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 (in units of MB per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 are applied per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of 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 output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 8800 GT 512MB

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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