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GeForce 830M vs GeForce 8600 GT 512MB DDR2

Intro

The GeForce 830M comes with a GPU clock speed of 1029 MHz, and the 2048 MB of DDR3 RAM runs at 900 MHz through a 64-bit bus. It also features 256 Stream Processors, 16 TAUs, and 8 ROPs.

Compare those specifications to the GeForce 8600 GT 512MB DDR2, which uses a 80 nm design. nVidia has clocked the core speed at 540 MHz. The DDR2 memory works at a speed of 400 MHz on this particular card. It features 32 SPUs along with 16 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M 25 Watts
GeForce 8600 GT 512MB DDR2 47 Watts
Difference: 22 Watts (88%)

Memory Bandwidth

Theoretically, the GeForce 830M should perform just a bit faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

GeForce 830M 14400 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 830M should be a lot (more or less 91%) better at anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce 830M 16464 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 7824 (91%)

Pixel Rate

The GeForce 830M should be quite a bit (about 91%) better at FSAA than the GeForce 8600 GT 512MB DDR2, and also should be able to handle higher resolutions without losing too much performance. (explain)

GeForce 830M 8232 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 3912 (91%)

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 830M

Amazon.com

Check prices at:

GeForce 8600 GT 512MB DDR2

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 830M GeForce 8600 GT 512MB DDR2
Manufacturer nVidia nVidia
Year March 12 2014 April 2007
Code Name GM108 G84
Memory 2048 MB 512 MB
Core Speed 1029 MHz 540 MHz
Memory Speed 1800 MHz 800 MHz
Power (Max TDP) 25 watts 47 watts
Bandwidth 14400 MB/sec 12800 MB/sec
Texel Rate 16464 Mtexels/sec 8640 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 4320 Mpixels/sec
Unified Shaders 256 32
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type DDR3 DDR2
Bus Width 64-bit 128-bit
Fab Process 28 nm 80 nm
Transistors (Unknown) million 289 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the 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 that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 830M

Amazon.com

Check prices at:

GeForce 8600 GT 512MB DDR2

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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