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GeForce 8600 GT 1GB GDDR3 vs GeForce 920M

Intro

The GeForce 8600 GT 1GB GDDR3 has a GPU core clock speed of 540 MHz, and the 1024 MB of GDDR3 memory is set to run at 700 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 Texture Address Units, and 8 ROPs.

Compare that to the GeForce 920M, which features a core clock speed of 954 MHz and a DDR3 memory speed of 900 MHz. It also features a 64-bit memory bus, and makes use of a 28 nm design. It features 384 SPUs, 32 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce 8600 GT 1GB GDDR3 should in theory be quite a bit superior to the GeForce 920M in general. (explain)

GeForce 8600 GT 1GB GDDR3 22400 MB/sec
GeForce 920M 14400 MB/sec
Difference: 8000 (56%)

Texel Rate

The GeForce 920M should be quite a bit (about 253%) better at texture filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

GeForce 920M 30528 Mtexels/sec
GeForce 8600 GT 1GB GDDR3 8640 Mtexels/sec
Difference: 21888 (253%)

Pixel Rate

The GeForce 920M is much (more or less 77%) faster with regards to FSAA than the GeForce 8600 GT 1GB GDDR3, and also will be able to handle higher screen resolutions while still performing well. (explain)

GeForce 920M 7632 Mpixels/sec
GeForce 8600 GT 1GB GDDR3 4320 Mpixels/sec
Difference: 3312 (77%)

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 8600 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce 920M

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 8600 GT 1GB GDDR3 GeForce 920M
Manufacturer nVidia nVidia
Year April 2007 March 12 2015
Code Name G84 GK208
Memory 1024 MB 2048 MB
Core Speed 540 MHz 954 MHz
Memory Speed 1400 MHz 1800 MHz
Power (Max TDP) 47 watts (Unknown) watts
Bandwidth 22400 MB/sec 14400 MB/sec
Texel Rate 8640 Mtexels/sec 30528 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 7632 Mpixels/sec
Unified Shaders 32 384
Texture Mapping Units 16 32
Render Output Units 8 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 64-bit
Fab Process 80 nm 28 nm
Transistors 289 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 data (counted in megabytes per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out 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 filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce 920M

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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