GeForce GTX Titan vs Geforce GTX 780

Intro

Compare that to the Geforce GTX 780, which has a core clock frequency of 863 MHz and a GDDR5 memory frequency of 1502 MHz. It also makes use of a 384-bit bus, and uses a 28 nm design. It features 2304 SPUs, 192 TAUs, and 48 ROPs.

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 Titan		10162 points
Geforce GTX 780		10082 points
	Difference: 80 (1%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX Titan		52 FPS
Geforce GTX 780		48 FPS
	Difference: 4 (8%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Both cards have the exact same memory bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The GeForce GTX Titan is a bit (more or less 13%) more effective at anisotropic filtering than the Geforce GTX 780. (explain)

GeForce GTX Titan		187488 Mtexels/sec
Geforce GTX 780		165696 Mtexels/sec
	Difference: 21792 (13%)

Pixel Rate

The Geforce GTX 780 should be just a bit (approximately 3%) better at FSAA than the GeForce GTX Titan, and should be able to handle higher screen resolutions without losing too much performance. (explain)

Geforce GTX 780		41424 Mpixels/sec
GeForce GTX Titan		40176 Mpixels/sec
	Difference: 1248 (3%)

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 max amount of information (measured in megabytes per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 are applied per second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate 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 filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.