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GeForce 8800 GTX vs GeForce GTX 870M

Intro

The GeForce 8800 GTX uses a 90 nm design. nVidia has clocked the core speed at 575 MHz. The GDDR3 RAM works at a frequency of 900 MHz on this card. It features 128 SPUs along with 64 TAUs and 24 Rasterization Operator Units.

Compare those specs to the GeForce GTX 870M, which has clock speeds of 941 MHz on the GPU, and 1000 MHz on the 3072 MB of GDDR5 RAM. It features 1344 SPUs as well as 112 Texture Address Units and 24 ROPs.

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 will be 11% faster than the GeForce 8800 GTX overall, due to its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 870M is quite a bit (about 186%) better at AF than the GeForce 8800 GTX. (explain)

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

Pixel Rate

The GeForce GTX 870M is a lot (about 64%) faster with regards to FSAA than the GeForce 8800 GTX, and also will be able to handle higher resolutions better. (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

Check prices at:

GeForce GTX 870M

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 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: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

Amazon.com

Check prices at:

GeForce GTX 870M

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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