GeForce GTS 250 512MB vs GeForce GTX Titan Black

Intro

Compare those specs to the GeForce GTX Titan Black, which makes use of a 28 nm design. nVidia has clocked the core speed at 889 MHz. The GDDR5 RAM runs at a speed of 1750 MHz on this particular card. It features 2880 SPUs as well as 240 Texture Address Units and 48 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 512MB		145 Watts
GeForce GTX Titan Black		250 Watts
	Difference: 105 Watts (72%)

Memory Bandwidth

Theoretically, the GeForce GTX Titan Black should be much faster than the GeForce GTS 250 512MB overall. (explain)

GeForce GTX Titan Black		336000 MB/sec
GeForce GTS 250 512MB		70400 MB/sec
	Difference: 265600 (377%)

Texel Rate

The GeForce GTX Titan Black is a lot (approximately 352%) more effective at anisotropic filtering than the GeForce GTS 250 512MB. (explain)

GeForce GTX Titan Black		213360 Mtexels/sec
GeForce GTS 250 512MB		47232 Mtexels/sec
	Difference: 166128 (352%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX Titan Black is superior to the GeForce GTS 250 512MB, and very much so. (explain)

GeForce GTX Titan Black		42672 Mpixels/sec
GeForce GTS 250 512MB		11808 Mpixels/sec
	Difference: 30864 (261%)

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 information (in units of megabytes per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses 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 high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units of the card by the core 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.