Geforce GTX 680 vs Radeon R9 280X

Intro

Compare that to the Radeon R9 280X, which uses a 28 nm design. AMD has clocked the core speed at 850 MHz. The GDDR5 RAM runs at a frequency of 1500 MHz on this model. It features 2048 SPUs as well as 128 Texture Address Units and 32 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

Radeon R9 280X		8886 points
Geforce GTX 680		7650 points
	Difference: 1236 (16%)

Ethereum Mining Hash Rate

Radeon R9 280X		21 Mh/s
Geforce GTX 680		16 Mh/s
	Difference: 5 (31%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680		195 Watts
Radeon R9 280X		250 Watts
	Difference: 55 Watts (28%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 280X will be 50% quicker than the Geforce GTX 680 in general, due to its greater data rate. (explain)

Radeon R9 280X		288000 MB/sec
Geforce GTX 680		192256 MB/sec
	Difference: 95744 (50%)

Texel Rate

The Geforce GTX 680 is a small bit (about 18%) faster with regards to texture filtering than the Radeon R9 280X. (explain)

Geforce GTX 680		128768 Mtexels/sec
Radeon R9 280X		108800 Mtexels/sec
	Difference: 19968 (18%)

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 680 is the winner, though not by far. (explain)

Geforce GTX 680		32192 Mpixels/sec
Radeon R9 280X		27200 Mpixels/sec
	Difference: 4992 (18%)

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 (counted in megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka 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 of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.