GeForce GT 340 1GB vs GeForce GTX 860M

Intro

Compare that to the GeForce GTX 860M, which has a GPU core clock speed of 797 MHz, and 4096 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also is made up of 1152 SPUs, 96 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M		45 Watts
GeForce GT 340 1GB		69 Watts
	Difference: 24 Watts (53%)

Memory Bandwidth

Performance-wise, the GeForce GTX 860M should theoretically be a little bit superior to the GeForce GT 340 1GB overall. (explain)

GeForce GTX 860M		64000 MB/sec
GeForce GT 340 1GB		54400 MB/sec
	Difference: 9600 (18%)

Texel Rate

The GeForce GTX 860M will be quite a bit (more or less 335%) better at AF than the GeForce GT 340 1GB. (explain)

GeForce GTX 860M		76512 Mtexels/sec
GeForce GT 340 1GB		17600 Mtexels/sec
	Difference: 58912 (335%)

Pixel Rate

The GeForce GTX 860M should be quite a bit (about 190%) faster with regards to FSAA than the GeForce GT 340 1GB, and able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 860M		12752 Mpixels/sec
GeForce GT 340 1GB		4400 Mpixels/sec
	Difference: 8352 (190%)

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 (counted in megabytes per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.