GeForce 830M vs GeForce GTX 960M

Intro

Compare that to the GeForce GTX 960M, which comes with core clock speeds of 1096 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 830M		25 Watts
GeForce GTX 960M		65 Watts
	Difference: 40 Watts (160%)

Memory Bandwidth

The GeForce GTX 960M should in theory be a lot faster than the GeForce 830M overall. (explain)

GeForce GTX 960M		64000 MB/sec
GeForce 830M		14400 MB/sec
	Difference: 49600 (344%)

Texel Rate

The GeForce GTX 960M should be quite a bit (more or less 166%) more effective at AF than the GeForce 830M. (explain)

GeForce GTX 960M		43840 Mtexels/sec
GeForce 830M		16464 Mtexels/sec
	Difference: 27376 (166%)

Pixel Rate

The GeForce GTX 960M is much (about 113%) faster with regards to full screen anti-aliasing than the GeForce 830M, and able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 960M		17536 Mpixels/sec
GeForce 830M		8232 Mpixels/sec
	Difference: 9304 (113%)

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: Bandwidth is the max amount of information (measured in MB per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.