GeForce GTX 750 Ti vs Geforce GTX 780

Intro

Compare all of that to the Geforce GTX 780, which features core speeds of 863 MHz on the GPU, and 1502 MHz on the 3072 MB of GDDR5 RAM. It features 2304 SPUs as well as 192 TAUs and 48 Rasterization Operator Units.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Geforce GTX 780		10082 points
GeForce GTX 750 Ti		4562 points
	Difference: 5520 (121%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti		60 Watts
Geforce GTX 780		250 Watts
	Difference: 190 Watts (317%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 780 is 234% quicker than the GeForce GTX 750 Ti overall, due to its greater data rate. (explain)

Geforce GTX 780		288384 MB/sec
GeForce GTX 750 Ti		86400 MB/sec
	Difference: 201984 (234%)

Texel Rate

The Geforce GTX 780 should be a lot (approximately 306%) faster with regards to anisotropic filtering than the GeForce GTX 750 Ti. (explain)

Geforce GTX 780		165696 Mtexels/sec
GeForce GTX 750 Ti		40800 Mtexels/sec
	Difference: 124896 (306%)

Pixel Rate

The Geforce GTX 780 will be quite a bit (more or less 154%) faster with regards to FSAA than the GeForce GTX 750 Ti, and also able to handle higher resolutions more effectively. (explain)

Geforce GTX 780		41424 Mpixels/sec
GeForce GTX 750 Ti		16320 Mpixels/sec
	Difference: 25104 (154%)

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 max amount of information (counted in megabytes per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the 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 per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the graphics 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 the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.