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GeForce 8800 GTX vs GeForce GTX 970M

Intro

The GeForce 8800 GTX comes with a GPU core speed of 575 MHz, and the 768 MB of GDDR3 RAM is set to run at 900 MHz through a 384-bit bus. It also is comprised of 128 Stream Processors, 64 Texture Address Units, and 24 Raster Operation Units.

Compare all that to the GeForce GTX 970M, which has a core clock speed of 924 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 192-bit memory bus, and uses a 28 nm design. It is made up of 1280 SPUs, 80 Texture Address Units, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970M 75 Watts
GeForce 8800 GTX 155 Watts
Difference: 80 Watts (107%)

Memory Bandwidth

The GeForce GTX 970M should theoretically perform just a bit faster than the GeForce 8800 GTX in general. (explain)

GeForce GTX 970M 96000 MB/sec
GeForce 8800 GTX 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The GeForce GTX 970M is much (more or less 101%) faster with regards to texture filtering than the GeForce 8800 GTX. (explain)

GeForce GTX 970M 73920 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 37120 (101%)

Pixel Rate

The GeForce GTX 970M should be quite a bit (about 221%) better at AA than the GeForce 8800 GTX, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 970M 44352 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 30552 (221%)

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 970M

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 970M
Manufacturer nVidia nVidia
Year Nov 2006 October 7 2014
Code Name G80 GM204
Memory 768 MB 3072 MB
Core Speed 575 MHz 924 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 155 watts 75 watts
Bandwidth 86400 MB/sec 96000 MB/sec
Texel Rate 36800 Mtexels/sec 73920 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 44352 Mpixels/sec
Unified Shaders 128 1280
Texture Mapping Units 64 80
Render Output Units 24 48
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 maximum amount of information (in units of MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once 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, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount 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 fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8800 GTX

Amazon.com

Check prices at:

GeForce GTX 970M

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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