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GeForce 8600 GT 512MB DDR2 vs GeForce 930M

Intro

The GeForce 8600 GT 512MB DDR2 makes use of a 80 nm design. nVidia has set the core frequency at 540 MHz. The DDR2 RAM runs at a speed of 400 MHz on this specific card. It features 32 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare all that to the GeForce 930M, which features GPU core speed of 928 MHz, and 2048 MB of DDR3 memory set to run at 900 MHz through a 64-bit bus. It also features 384 Stream Processors, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 930M should in theory perform just a bit faster than the GeForce 8600 GT 512MB DDR2 in general. (explain)

GeForce 930M 14400 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 930M will be much (about 158%) more effective at anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce 930M 22272 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 13632 (158%)

Pixel Rate

The GeForce 930M will be much (about 72%) better at FSAA than the GeForce 8600 GT 512MB DDR2, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce 930M 7424 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 3104 (72%)

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 512MB DDR2

Amazon.com

Check prices at:

GeForce 930M

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 512MB DDR2 GeForce 930M
Manufacturer nVidia nVidia
Year April 2007 March 12 2015
Code Name G84 GM108
Memory 512 MB 2048 MB
Core Speed 540 MHz 928 MHz
Memory Speed 800 MHz 1800 MHz
Power (Max TDP) 47 watts (Unknown) watts
Bandwidth 12800 MB/sec 14400 MB/sec
Texel Rate 8640 Mtexels/sec 22272 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 7424 Mpixels/sec
Unified Shaders 32 384
Texture Mapping Units 16 24
Render Output Units 8 8
Bus Type DDR2 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 largest amount of data (in units of megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of 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 lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce 930M

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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