GeForce 920M vs GeForce 930M

Intro

Compare all that to the GeForce 930M, which makes use of a 28 nm design. nVidia has clocked the core frequency at 928 MHz. The DDR3 memory runs at a frequency of 900 MHz on this particular model. It features 384 SPUs along with 24 Texture Address Units and 8 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce 930M		1490 points
GeForce 920M		1180 points
	Difference: 310 (26%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The GeForce 920M will be quite a bit (approximately 37%) more effective at AF than the GeForce 930M. (explain)

GeForce 920M		30528 Mtexels/sec
GeForce 930M		22272 Mtexels/sec
	Difference: 8256 (37%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 920M is the winner, though only just barely. (explain)

GeForce 920M		7632 Mpixels/sec
GeForce 930M		7424 Mpixels/sec
	Difference: 208 (3%)

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 maximum amount of data (in units of MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its 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 of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.