GeForce GTS 250 1GB vs Geforce GTX 760

Intro

Compare all that to the Geforce GTX 760, which uses a 28 nm design. nVidia has set the core speed at 980 MHz. The GDDR5 memory works at a speed of 1502 MHz on this model. It features 1152 SPUs along with 96 Texture Address Units and 32 Rasterization Operator Units.

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

In theory, the Geforce GTX 760 should perform much faster than the GeForce GTS 250 1GB overall. (explain)

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

Texel Rate

The Geforce GTX 760 is much (about 99%) more effective at anisotropic filtering 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

If using high levels of AA is important to you, then the Geforce GTX 760 is a better choice, by far. (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 transferred over the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once 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 AA, High Dynamic Range and higher screen resolutions.

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

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