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GeForce 830M vs GeForce 8600 GT 256MB DDR2

Intro

The GeForce 830M features a GPU core clock speed of 1029 MHz, and the 2048 MB of DDR3 RAM runs at 900 MHz through a 64-bit bus. It also is made up of 256 Stream Processors, 16 TAUs, and 8 Raster Operation Units.

Compare those specs to the GeForce 8600 GT 256MB DDR2, which has clock speeds of 540 MHz on the GPU, and 400 MHz on the 256 MB of DDR2 memory. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M 25 Watts
GeForce 8600 GT 256MB DDR2 47 Watts
Difference: 22 Watts (88%)

Memory Bandwidth

The GeForce 830M should in theory be a small bit faster than the GeForce 8600 GT 256MB DDR2 in general. (explain)

GeForce 830M 14400 MB/sec
GeForce 8600 GT 256MB DDR2 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 830M is a lot (more or less 91%) more effective at anisotropic filtering than the GeForce 8600 GT 256MB DDR2. (explain)

GeForce 830M 16464 Mtexels/sec
GeForce 8600 GT 256MB DDR2 8640 Mtexels/sec
Difference: 7824 (91%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce 830M is the winner, by far. (explain)

GeForce 830M 8232 Mpixels/sec
GeForce 8600 GT 256MB 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 256MB 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 256MB DDR2
Manufacturer nVidia nVidia
Year March 12 2014 April 2007
Code Name GM108 G84
Memory 2048 MB 256 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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transported across the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 per second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics 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 most pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 830M

Amazon.com

Check prices at:

GeForce 8600 GT 256MB 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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