GeForce 840M vs Nvidia Titan Xp

Intro

Compare all that to the Nvidia Titan Xp, which has GPU core speed of 1582 MHz, and 12288 MB of GDDR5X RAM set to run at 1426 MHz through a 384-bit bus. It also is comprised of 3840 Stream Processors, 240 TAUs, 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

Nvidia Titan Xp		27938 points
GeForce 840M		1600 points
	Difference: 26338 (1646%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 840M		30 Watts
Nvidia Titan Xp		250 Watts
	Difference: 220 Watts (733%)

Memory Bandwidth

As far as performance goes, the Nvidia Titan Xp should in theory be a lot superior to the GeForce 840M overall. (explain)

Nvidia Titan Xp		560845 MB/sec
GeForce 840M		16000 MB/sec
	Difference: 544845 (3405%)

Texel Rate

The Nvidia Titan Xp will be a lot (approximately 1437%) better at AF than the GeForce 840M. (explain)

Nvidia Titan Xp		379680 Mtexels/sec
GeForce 840M		24696 Mtexels/sec
	Difference: 354984 (1437%)

Pixel Rate

If running with high levels of AA is important to you, then the Nvidia Titan Xp is the winner, by a large margin. (explain)

Nvidia Titan Xp		151872 Mpixels/sec
GeForce 840M		8232 Mpixels/sec
	Difference: 143640 (1745%)

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 maximum amount of data (counted in MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.