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GeForce 8800 GT 1GB vs GeForce GTX 870M

Intro

The GeForce 8800 GT 1GB comes with a GPU clock speed of 600 MHz, and the 1024 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also is comprised of 112 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare all that to the GeForce GTX 870M, which has a GPU core clock speed of 941 MHz, and 3072 MB of GDDR5 RAM set to run at 1000 MHz through a 192-bit bus. It also features 1344 Stream Processors, 112 TAUs, and 24 ROPs.

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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

Theoretically, the GeForce GTX 870M should perform quite a bit 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 should be a lot (about 214%) better at AF 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

If using lots of anti-aliasing is important to you, then the GeForce GTX 870M is a better choice, and very much so. (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 maximum amount of data (measured in MB per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster 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 can be applied in one second. This is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video 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 could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

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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