GeForce 920M vs Geforce GTX 770

Intro

Compare those specs to the Geforce GTX 770, which uses a 28 nm design. nVidia has set the core speed at 1046 MHz. The GDDR5 memory runs at a frequency of 1753 MHz on this card. It features 1536 SPUs as well as 128 TAUs and 32 Rasterization Operator Units.

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 770		7854 points
GeForce 920M		1180 points
	Difference: 6674 (566%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Geforce GTX 770 should theoretically be quite a bit faster than the GeForce 920M in general. (explain)

Geforce GTX 770		224384 MB/sec
GeForce 920M		14400 MB/sec
	Difference: 209984 (1458%)

Texel Rate

The Geforce GTX 770 is quite a bit (approximately 339%) better at texture filtering than the GeForce 920M. (explain)

Geforce GTX 770		133888 Mtexels/sec
GeForce 920M		30528 Mtexels/sec
	Difference: 103360 (339%)

Pixel Rate

The Geforce GTX 770 should be quite a bit (about 339%) faster with regards to FSAA than the GeForce 920M, and also capable of handling higher screen resolutions without slowing down too much. (explain)

Geforce GTX 770		33472 Mpixels/sec
GeForce 920M		7632 Mpixels/sec
	Difference: 25840 (339%)

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 data (counted in MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 number is worked out by multiplying the total number 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.