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GeForce 8600 GT 256MB DDR2 vs GeForce 930M

Intro

The GeForce 8600 GT 256MB DDR2 has a core clock frequency of 540 MHz and a DDR2 memory speed of 400 MHz. It also features a 128-bit bus, and uses a 80 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specs to the GeForce 930M, which features core speeds of 928 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs along with 24 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce 930M should be a bit faster than the GeForce 8600 GT 256MB DDR2 overall. (explain)

GeForce 930M 14400 MB/sec
GeForce 8600 GT 256MB DDR2 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 930M is quite a bit (approximately 158%) more effective at texture filtering than the GeForce 8600 GT 256MB DDR2. (explain)

GeForce 930M 22272 Mtexels/sec
GeForce 8600 GT 256MB DDR2 8640 Mtexels/sec
Difference: 13632 (158%)

Pixel Rate

The GeForce 930M will be quite a bit (about 72%) more effective at AA than the GeForce 8600 GT 256MB DDR2, and also should be able to handle higher resolutions without losing too much performance. (explain)

GeForce 930M 7424 Mpixels/sec
GeForce 8600 GT 256MB 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 256MB 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 256MB DDR2 GeForce 930M
Manufacturer nVidia nVidia
Year April 2007 March 12 2015
Code Name G84 GM108
Memory 256 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 information (measured in megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 8600 GT 256MB 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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