GeForce GTX 950 vs GeForce GTX 970

Intro

Compare that to the GeForce GTX 970, which has GPU core speed of 1050 MHz, and 4096 MB of GDDR5 RAM running at 1750 MHz through a 256-bit bus. It also is comprised of 1664 SPUs, 104 Texture Address Units, and 64 Raster Operation 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 970		10867 points
GeForce GTX 950		6536 points
	Difference: 4331 (66%)

Ethereum Mining Hash Rate

GeForce GTX 970		19 Mh/s
GeForce GTX 950		10 Mh/s
	Difference: 9 (90%)

Zcash Mining Hash Rate

GeForce GTX 970		262 Sol/s
GeForce GTX 950		155 Sol/s
	Difference: 107 (69%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950		90 Watts
GeForce GTX 970		145 Watts
	Difference: 55 Watts (61%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 970 should perform quite a bit faster than the GeForce GTX 950 overall. (explain)

GeForce GTX 970		224000 MB/sec
GeForce GTX 950		105728 MB/sec
	Difference: 118272 (112%)

Texel Rate

The GeForce GTX 970 should be much (more or less 122%) faster with regards to texture filtering than the GeForce GTX 950. (explain)

GeForce GTX 970		109200 Mtexels/sec
GeForce GTX 950		49152 Mtexels/sec
	Difference: 60048 (122%)

Pixel Rate

The GeForce GTX 970 will be a lot (about 105%) faster with regards to AA than the GeForce GTX 950, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 970		67200 Mpixels/sec
GeForce GTX 950		32768 Mpixels/sec
	Difference: 34432 (105%)

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 information (measured in MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high 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 amount of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few 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.