GeForce 830M vs GeForce 8800 Ultra

Intro

Compare all that to the GeForce 8800 Ultra, which features core clock speeds of 612 MHz on the GPU, and 1080 MHz on the 768 MB of GDDR3 RAM. It features 128 SPUs along with 64 TAUs and 24 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M		25 Watts
GeForce 8800 Ultra		171 Watts
	Difference: 146 Watts (584%)

Memory Bandwidth

In theory, the GeForce 8800 Ultra should be 620% quicker than the GeForce 830M in general, because of its greater data rate. (explain)

GeForce 8800 Ultra		103680 MB/sec
GeForce 830M		14400 MB/sec
	Difference: 89280 (620%)

Texel Rate

The GeForce 8800 Ultra should be a lot (more or less 138%) faster with regards to AF than the GeForce 830M. (explain)

GeForce 8800 Ultra		39168 Mtexels/sec
GeForce 830M		16464 Mtexels/sec
	Difference: 22704 (138%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce 8800 Ultra is a better choice, by far. (explain)

GeForce 8800 Ultra		14688 Mpixels/sec
GeForce 830M		8232 Mpixels/sec
	Difference: 6456 (78%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, 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 amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total amount of texture units 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.