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GeForce 8800 GT 1GB vs GeForce GTX 870M

Intro

The GeForce 8800 GT 1GB has a clock speed of 600 MHz and a GDDR3 memory speed of 900 MHz. It also makes use of a 256-bit memory bus, and uses a 65 nm design. It is comprised of 112 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare those specs to the GeForce GTX 870M, which has GPU clock speed of 941 MHz, and 3072 MB of GDDR5 memory running at 1000 MHz through a 192-bit bus. It also is comprised of 1344 Stream Processors, 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 8800 GT 1GB 105 Watts
GeForce GTX 870M 110 Watts
Difference: 5 Watts (5%)

Memory Bandwidth

In theory, the GeForce GTX 870M should perform a lot faster than the GeForce 8800 GT 1GB in general. (explain)

GeForce GTX 870M 96000 MB/sec
GeForce 8800 GT 1GB 57600 MB/sec
Difference: 38400 (67%)

Texel Rate

The GeForce GTX 870M is quite a bit (more or less 214%) more effective at texture filtering than the GeForce 8800 GT 1GB. (explain)

GeForce GTX 870M 105392 Mtexels/sec
GeForce 8800 GT 1GB 33600 Mtexels/sec
Difference: 71792 (214%)

Pixel Rate

The GeForce GTX 870M should be a lot (more or less 135%) faster with regards to FSAA than the GeForce 8800 GT 1GB, and should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 870M 22584 Mpixels/sec
GeForce 8800 GT 1GB 9600 Mpixels/sec
Difference: 12984 (135%)

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 1GB

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 GT 1GB GeForce GTX 870M
Manufacturer nVidia nVidia
Year Dec 2007 March 12 2014
Code Name G92 GK104
Memory 1024 MB 3072 MB
Core Speed 600 MHz 941 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 110 watts
Bandwidth 57600 MB/sec 96000 MB/sec
Texel Rate 33600 Mtexels/sec 105392 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 22584 Mpixels/sec
Unified Shaders 112 1344
Texture Mapping Units 56 112
Render Output Units 16 24
Bus Type GDDR3 GDDR5
Bus Width 256-bit 192-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 information (measured in megabytes per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's 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 many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 8800 GT 1GB

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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