Geforce GTX 780 vs Radeon R9 280X

Intro

Compare those specs to the Radeon R9 280X, which features core speeds of 850 MHz on the GPU, and 1500 MHz on the 3072 MB of GDDR5 memory. It features 2048 SPUs as well as 128 TAUs and 32 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
Radeon R9 280X		8886 points
	Difference: 1196 (13%)

Ethereum Mining Hash Rate

Radeon R9 280X		21 Mh/s
Geforce GTX 780		20 Mh/s
	Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Geforce GTX 780 should in theory be just a bit faster than the Radeon R9 280X in general. (explain)

Geforce GTX 780		288384 MB/sec
Radeon R9 280X		288000 MB/sec
	Difference: 384 (0%)

Texel Rate

The Geforce GTX 780 is a lot (about 52%) more effective at texture filtering than the Radeon R9 280X. (explain)

Geforce GTX 780		165696 Mtexels/sec
Radeon R9 280X		108800 Mtexels/sec
	Difference: 56896 (52%)

Pixel Rate

The Geforce GTX 780 will be much (more or less 52%) better at anti-aliasing than the Radeon R9 280X, and will be capable of handling higher screen resolutions while still performing well. (explain)

Geforce GTX 780		41424 Mpixels/sec
Radeon R9 280X		27200 Mpixels/sec
	Difference: 14224 (52%)

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 maximum amount of data (in units of MB per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher 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 number of pixels the graphics card could possibly record to the local memory per 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 - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.