GeForce GTX 570 vs GeForce GTX 950M

Intro

Compare all that to the GeForce GTX 950M, which comes with GPU core speed of 914 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 128-bit bus. It also is made up of 640 Stream Processors, 40 Texture Address Units, and 16 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 570		4387 points
GeForce GTX 950M		3330 points
	Difference: 1057 (32%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M		55 Watts
GeForce GTX 570		219 Watts
	Difference: 164 Watts (298%)

Memory Bandwidth

In theory, the GeForce GTX 570 is 375% faster than the GeForce GTX 950M in general, because of its higher data rate. (explain)

GeForce GTX 570		152000 MB/sec
GeForce GTX 950M		32000 MB/sec
	Difference: 120000 (375%)

Texel Rate

The GeForce GTX 570 will be a little bit (about 20%) better at anisotropic filtering than the GeForce GTX 950M. (explain)

GeForce GTX 570		43920 Mtexels/sec
GeForce GTX 950M		36560 Mtexels/sec
	Difference: 7360 (20%)

Pixel Rate

The GeForce GTX 570 is a lot (approximately 100%) better at FSAA than the GeForce GTX 950M, and should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 570		29280 Mpixels/sec
GeForce GTX 950M		14624 Mpixels/sec
	Difference: 14656 (100%)

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 transported over the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics 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 most pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.