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GeForce 8800 GTX vs GeForce GTX 870M

Intro

The GeForce 8800 GTX has clock speeds of 575 MHz on the GPU, and 900 MHz on the 768 MB of GDDR3 RAM. It features 128 SPUs as well as 64 TAUs and 24 ROPs.

Compare those specifications to the GeForce GTX 870M, which features GPU clock speed of 941 MHz, and 3072 MB of GDDR5 RAM running at 1000 MHz through a 192-bit bus. It also is made up of 1344 SPUs, 112 Texture Address Units, and 24 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 870M 110 Watts
GeForce 8800 GTX 155 Watts
Difference: 45 Watts (41%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 870M should be a bit faster than the GeForce 8800 GTX in general. (explain)

GeForce GTX 870M 96000 MB/sec
GeForce 8800 GTX 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The GeForce GTX 870M should be quite a bit (approximately 186%) better at texture filtering than the GeForce 8800 GTX. (explain)

GeForce GTX 870M 105392 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 68592 (186%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 870M is superior to the GeForce 8800 GTX, and very much so. (explain)

GeForce GTX 870M 22584 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 8784 (64%)

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 GTX

Amazon.com

GeForce GTX 870M

Amazon.com

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 GTX GeForce GTX 870M
Manufacturer nVidia nVidia
Year Nov 2006 March 12 2014
Code Name G80 GK104
Memory 768 MB 3072 MB
Core Speed 575 MHz 941 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 155 watts 110 watts
Bandwidth 86400 MB/sec 96000 MB/sec
Texel Rate 36800 Mtexels/sec 105392 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 22584 Mpixels/sec
Unified Shaders 128 1344
Texture Mapping Units 64 112
Render Output Units 24 24
Bus Type GDDR3 GDDR5
Bus Width 384-bit 192-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: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 number of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends 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 GTX

Amazon.com

GeForce GTX 870M

Amazon.com

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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