GeForce GTS 250 1GB vs Geforce GTX 760

Intro

Compare all of that to the Geforce GTX 760, which comes with GPU core speed of 980 MHz, and 2048 MB of GDDR5 RAM running at 1502 MHz through a 256-bit bus. It also features 1152 Stream Processors, 96 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 1GB		145 Watts
Geforce GTX 760		170 Watts
	Difference: 25 Watts (17%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 should be 173% quicker than the GeForce GTS 250 1GB in general, due to its higher data rate. (explain)

Geforce GTX 760		192256 MB/sec
GeForce GTS 250 1GB		70400 MB/sec
	Difference: 121856 (173%)

Texel Rate

The Geforce GTX 760 will be quite a bit (approximately 99%) better at AF than the GeForce GTS 250 1GB. (explain)

Geforce GTX 760		94080 Mtexels/sec
GeForce GTS 250 1GB		47232 Mtexels/sec
	Difference: 46848 (99%)

Pixel Rate

The Geforce GTX 760 should be a lot (more or less 166%) better at AA than the GeForce GTS 250 1GB, and also will be able to handle higher resolutions more effectively. (explain)

Geforce GTX 760		31360 Mpixels/sec
GeForce GTS 250 1GB		11808 Mpixels/sec
	Difference: 19552 (166%)

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 megabytes per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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