GeForce GTX 980 vs Geforce GTX 780

Intro

Compare those specs 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 along with 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 980		13552 points
Geforce GTX 780		10082 points
	Difference: 3470 (34%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX 980		63 FPS
Geforce GTX 780		48 FPS
	Difference: 15 (31%)

Ethereum Mining Hash Rate

GeForce GTX 980		20 Mh/s
Geforce GTX 780		20 Mh/s
	Difference: 0 (0%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
Geforce GTX 780		250 Watts
	Difference: 85 Watts (52%)

Memory Bandwidth

Performance-wise, the Geforce GTX 780 should theoretically be quite a bit superior to the GeForce GTX 980 in general. (explain)

Geforce GTX 780		288384 MB/sec
GeForce GTX 980		224000 MB/sec
	Difference: 64384 (29%)

Texel Rate

The Geforce GTX 780 should be a small bit (approximately 15%) more effective at anisotropic filtering than the GeForce GTX 980. (explain)

Geforce GTX 780		165696 Mtexels/sec
GeForce GTX 980		144128 Mtexels/sec
	Difference: 21568 (15%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 980 is a better choice, by a large margin. (explain)

GeForce GTX 980		72064 Mpixels/sec
Geforce GTX 780		41424 Mpixels/sec
	Difference: 30640 (74%)

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 data (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. 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 lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.