GeForce GTX 1070 vs Geforce GTX 780

Intro

Compare all of that to the Geforce GTX 780, which comes with clock speeds of 863 MHz on the GPU, and 1502 MHz on the 3072 MB of GDDR5 memory. It features 2304 SPUs along with 192 Texture Address Units 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 1070		18174 points
Geforce GTX 780		10082 points
	Difference: 8092 (80%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1070		150 Watts
Geforce GTX 780		250 Watts
	Difference: 100 Watts (67%)

Memory Bandwidth

The Geforce GTX 780 should theoretically perform a small bit faster than the GeForce GTX 1070 overall. (explain)

Geforce GTX 780		288384 MB/sec
GeForce GTX 1070		262144 MB/sec
	Difference: 26240 (10%)

Texel Rate

The GeForce GTX 1070 is a bit (approximately 9%) better at AF than the Geforce GTX 780. (explain)

GeForce GTX 1070		180720 Mtexels/sec
Geforce GTX 780		165696 Mtexels/sec
	Difference: 15024 (9%)

Pixel Rate

The GeForce GTX 1070 should be much (about 133%) better at AA than the Geforce GTX 780, and also able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 1070		96384 Mpixels/sec
Geforce GTX 780		41424 Mpixels/sec
	Difference: 54960 (133%)

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 largest amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs 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 lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.