GeForce 920M vs GeForce GT 310

Intro

Compare those specifications to the GeForce GT 310, which uses a 40 nm design. nVidia has clocked the core frequency at 589 MHz. The DDR2 RAM is set to run at a speed of 1000 MHz on this specific card. It features 16 SPUs along with 8 Texture Address Units and 4 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GT 310 should theoretically perform a little bit faster than the GeForce 920M in general. (explain)

GeForce GT 310		16000 MB/sec
GeForce 920M		14400 MB/sec
	Difference: 1600 (11%)

Texel Rate

The GeForce 920M will be quite a bit (more or less 548%) more effective at AF than the GeForce GT 310. (explain)

GeForce 920M		30528 Mtexels/sec
GeForce GT 310		4712 Mtexels/sec
	Difference: 25816 (548%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 920M is the winner, and very much so. (explain)

GeForce 920M		7632 Mpixels/sec
GeForce GT 310		2356 Mpixels/sec
	Difference: 5276 (224%)

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 largest amount of data (measured in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it must 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, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.