Geforce GTX 680 vs Radeon R9 380 4G

Intro

Compare those specs to the Radeon R9 380 4G, which features GPU core speed of 970 MHz, and 4096 MB of GDDR5 RAM running at 1425 MHz through a 256-bit bus. It also is made up of 1792 SPUs, 112 Texture Address Units, and 32 Raster Operation 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

Radeon R9 380 4G		8837 points
Geforce GTX 680		7650 points
	Difference: 1187 (16%)

Ethereum Mining Hash Rate

Radeon R9 380 4G		21 Mh/s
Geforce GTX 680		16 Mh/s
	Difference: 5 (31%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 4G		190 Watts
Geforce GTX 680		195 Watts
	Difference: 5 Watts (3%)

Memory Bandwidth

The Geforce GTX 680 should in theory perform just a bit faster than the Radeon R9 380 4G overall. (explain)

Geforce GTX 680		192256 MB/sec
Radeon R9 380 4G		182400 MB/sec
	Difference: 9856 (5%)

Texel Rate

The Geforce GTX 680 should be a small bit (more or less 19%) more effective at AF than the Radeon R9 380 4G. (explain)

Geforce GTX 680		128768 Mtexels/sec
Radeon R9 380 4G		108640 Mtexels/sec
	Difference: 20128 (19%)

Pixel Rate

The Geforce GTX 680 is a little bit (about 4%) better at FSAA than the Radeon R9 380 4G, and also able to handle higher screen resolutions better. (explain)

Geforce GTX 680		32192 Mpixels/sec
Radeon R9 380 4G		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: Bandwidth is the largest amount of information (counted in MB per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 are applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.