GeForce GTX 870M vs GeForce GTX Titan X

Intro

Compare those specifications to the GeForce GTX Titan X, which has GPU core speed of 1000 MHz, and 12288 MB of GDDR5 RAM set to run at 1750 MHz through a 384-bit bus. It also is made up of 3072 SPUs, 192 Texture Address Units, and 96 ROPs.

Display Graphs

Hide Graphs

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 Titan X		17879 points
GeForce GTX 870M		4770 points
	Difference: 13109 (275%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 870M		110 Watts
GeForce GTX Titan X		250 Watts
	Difference: 140 Watts (127%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX Titan X is 250% quicker than the GeForce GTX 870M overall, due to its greater data rate. (explain)

GeForce GTX Titan X		336000 MB/sec
GeForce GTX 870M		96000 MB/sec
	Difference: 240000 (250%)

Texel Rate

The GeForce GTX Titan X is a lot (more or less 82%) better at texture filtering than the GeForce GTX 870M. (explain)

GeForce GTX Titan X		192000 Mtexels/sec
GeForce GTX 870M		105392 Mtexels/sec
	Difference: 86608 (82%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX Titan X is the winner, by a large margin. (explain)

GeForce GTX Titan X		96000 Mpixels/sec
GeForce GTX 870M		22584 Mpixels/sec
	Difference: 73416 (325%)

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 (in units of megabytes per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's 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 in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs 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 rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.