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GeForce 830M vs GeForce 8800 GTX

Intro

The GeForce 830M uses a 28 nm design. nVidia has set the core speed at 1029 MHz. The DDR3 RAM is set to run at a frequency of 900 MHz on this model. It features 256 SPUs as well as 16 Texture Address Units and 8 ROPs.

Compare those specs to the GeForce 8800 GTX, which makes use of a 90 nm design. nVidia has clocked the core speed at 575 MHz. The GDDR3 memory is set to run at a speed of 900 MHz on this specific card. It features 128 SPUs along with 64 Texture Address Units and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M 25 Watts
GeForce 8800 GTX 155 Watts
Difference: 130 Watts (520%)

Memory Bandwidth

The GeForce 8800 GTX should theoretically perform quite a bit faster than the GeForce 830M overall. (explain)

GeForce 8800 GTX 86400 MB/sec
GeForce 830M 14400 MB/sec
Difference: 72000 (500%)

Texel Rate

The GeForce 8800 GTX is a lot (approximately 124%) faster with regards to anisotropic filtering than the GeForce 830M. (explain)

GeForce 8800 GTX 36800 Mtexels/sec
GeForce 830M 16464 Mtexels/sec
Difference: 20336 (124%)

Pixel Rate

The GeForce 8800 GTX is much (approximately 68%) better at anti-aliasing than the GeForce 830M, and capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8800 GTX 13800 Mpixels/sec
GeForce 830M 8232 Mpixels/sec
Difference: 5568 (68%)

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

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GeForce 8800 GTX

Amazon.com

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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 8800 GTX
Manufacturer nVidia nVidia
Year March 12 2014 Nov 2006
Code Name GM108 G80
Memory 2048 MB 768 MB
Core Speed 1029 MHz 575 MHz
Memory Speed 1800 MHz 1800 MHz
Power (Max TDP) 25 watts 155 watts
Bandwidth 14400 MB/sec 86400 MB/sec
Texel Rate 16464 Mtexels/sec 36800 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 13800 Mpixels/sec
Unified Shaders 256 128
Texture Mapping Units 16 64
Render Output Units 8 24
Bus Type DDR3 GDDR3
Bus Width 64-bit 384-bit
Fab Process 28 nm 90 nm
Transistors (Unknown) million 681 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 max amount of information (in units of MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 processed in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video 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 number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 830M

Amazon.com

Check prices at:

GeForce 8800 GTX

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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