GeForce GTX 1070 vs GeForce GTX 660 Ti

Intro

Compare those specs to the GeForce GTX 660 Ti, which makes use of a 28 nm design. nVidia has set the core speed at 915 MHz. The GDDR5 RAM works at a speed of 1500 MHz on this specific model. It features 1344 SPUs as well as 112 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 1070		18174 points
GeForce GTX 660 Ti		6013 points
	Difference: 12161 (202%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

As far as performance goes, the GeForce GTX 1070 should theoretically be quite a bit superior to the GeForce GTX 660 Ti overall. (explain)

GeForce GTX 1070		262144 MB/sec
GeForce GTX 660 Ti		144000 MB/sec
	Difference: 118144 (82%)

Texel Rate

The GeForce GTX 1070 will be much (approximately 76%) more effective at anisotropic filtering than the GeForce GTX 660 Ti. (explain)

GeForce GTX 1070		180720 Mtexels/sec
GeForce GTX 660 Ti		102480 Mtexels/sec
	Difference: 78240 (76%)

Pixel Rate

The GeForce GTX 1070 should be a lot (about 339%) better at FSAA than the GeForce GTX 660 Ti, and should be able to handle higher screen resolutions better. (explain)

GeForce GTX 1070		96384 Mpixels/sec
GeForce GTX 660 Ti		21960 Mpixels/sec
	Difference: 74424 (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 (measured in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core 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 fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.