GeForce 920M vs GeForce GTX 550 Ti

Intro

Compare those specifications to the GeForce GTX 550 Ti, which uses a 40 nm design. nVidia has set the core speed at 900 MHz. The GDDR5 RAM works at a speed of 1026 MHz on this specific card. It features 192 SPUs along with 32 Texture Address Units and 24 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 GTX 550 Ti		1897 points
GeForce 920M		1180 points
	Difference: 717 (61%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 550 Ti should perform quite a bit faster than the GeForce 920M overall. (explain)

GeForce GTX 550 Ti		98496 MB/sec
GeForce 920M		14400 MB/sec
	Difference: 84096 (584%)

Texel Rate

The GeForce 920M should be a bit (approximately 6%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce 920M		30528 Mtexels/sec
GeForce GTX 550 Ti		28800 Mtexels/sec
	Difference: 1728 (6%)

Pixel Rate

The GeForce GTX 550 Ti should be much (approximately 183%) faster with regards to anti-aliasing than the GeForce 920M, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 550 Ti		21600 Mpixels/sec
GeForce 920M		7632 Mpixels/sec
	Difference: 13968 (183%)

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 (counted in MB per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type 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 figure is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the video 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 maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.