Geforce GTX 680 vs Radeon R9 380 2G

Intro

Compare all of that to the Radeon R9 380 2G, which comes with GPU core speed of 970 MHz, and 2048 MB of GDDR5 RAM set to run at 1425 MHz through a 256-bit bus. It also is comprised of 1792 SPUs, 112 TAUs, 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 380 2G		8850 points
Geforce GTX 680		7650 points
	Difference: 1200 (16%)

Ethereum Mining Hash Rate

Radeon R9 380 2G		19 Mh/s
Geforce GTX 680		16 Mh/s
	Difference: 3 (19%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 2G		190 Watts
Geforce GTX 680		195 Watts
	Difference: 5 Watts (3%)

Memory Bandwidth

The Geforce GTX 680, in theory, should be a bit faster than the Radeon R9 380 2G overall. (explain)

Geforce GTX 680		192256 MB/sec
Radeon R9 380 2G		182400 MB/sec
	Difference: 9856 (5%)

Texel Rate

The Geforce GTX 680 will be just a bit (about 19%) faster with regards to texture filtering than the Radeon R9 380 2G. (explain)

Geforce GTX 680		128768 Mtexels/sec
Radeon R9 380 2G		108640 Mtexels/sec
	Difference: 20128 (19%)

Pixel Rate

The Geforce GTX 680 will be a bit (approximately 4%) faster with regards to full screen anti-aliasing than the Radeon R9 380 2G, and should be capable of handling higher screen resolutions without slowing down too much. (explain)

Geforce GTX 680		32192 Mpixels/sec
Radeon R9 380 2G		31040 Mpixels/sec
	Difference: 1152 (4%)

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 largest amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at 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 that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.