GeForce GTS 250 512MB vs Geforce GTX 760

Intro

Compare those specifications to the Geforce GTX 760, which comes with core speeds of 980 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 memory. It features 1152 SPUs along with 96 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 512MB		145 Watts
Geforce GTX 760		170 Watts
	Difference: 25 Watts (17%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 760 should in theory be much better than the GeForce GTS 250 512MB in general. (explain)

Geforce GTX 760		192256 MB/sec
GeForce GTS 250 512MB		70400 MB/sec
	Difference: 121856 (173%)

Texel Rate

The Geforce GTX 760 should be a lot (approximately 99%) faster with regards to AF than the GeForce GTS 250 512MB. (explain)

Geforce GTX 760		94080 Mtexels/sec
GeForce GTS 250 512MB		47232 Mtexels/sec
	Difference: 46848 (99%)

Pixel Rate

The Geforce GTX 760 will be much (more or less 166%) faster with regards to full screen anti-aliasing than the GeForce GTS 250 512MB, and also should be capable of handling higher screen resolutions better. (explain)

Geforce GTX 760		31360 Mpixels/sec
GeForce GTS 250 512MB		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 information (in units of MB per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 amount of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling 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 that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output 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 maximum fill rate.