GeForce GTX 570 vs GeForce GTX 880M

Intro

Compare those specs to the GeForce GTX 880M, which comes with a clock speed of 954 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1536 SPUs, 128 Texture Address Units, and 32 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 880M		6360 points
GeForce GTX 570		4387 points
	Difference: 1973 (45%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M		130 Watts
GeForce GTX 570		219 Watts
	Difference: 89 Watts (68%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 570 should in theory be a bit better than the GeForce GTX 880M in general. (explain)

GeForce GTX 570		152000 MB/sec
GeForce GTX 880M		128000 MB/sec
	Difference: 24000 (19%)

Texel Rate

The GeForce GTX 880M will be quite a bit (more or less 178%) faster with regards to AF than the GeForce GTX 570. (explain)

GeForce GTX 880M		122112 Mtexels/sec
GeForce GTX 570		43920 Mtexels/sec
	Difference: 78192 (178%)

Pixel Rate

The GeForce GTX 880M should be just a bit (approximately 4%) more effective at anti-aliasing than the GeForce GTX 570, and also should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 880M		30528 Mpixels/sec
GeForce GTX 570		29280 Mpixels/sec
	Difference: 1248 (4%)

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 max amount of information (measured in MB per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.