GeForce GTX 1080 vs Radeon R9 380 4G

Intro

Compare those specs to the Radeon R9 380 4G, which comes with core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 4096 MB of GDDR5 memory. It features 1792 SPUs along with 112 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 1080		21942 points
Radeon R9 380 4G		8837 points
	Difference: 13105 (148%)

Ethereum Mining Hash Rate

Radeon R9 380 4G		21 Mh/s
GeForce GTX 1080		20 Mh/s
	Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080		180 Watts
Radeon R9 380 4G		190 Watts
	Difference: 10 Watts (6%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1080 should perform a lot faster than the Radeon R9 380 4G overall. (explain)

GeForce GTX 1080		327680 MB/sec
Radeon R9 380 4G		182400 MB/sec
	Difference: 145280 (80%)

Texel Rate

The GeForce GTX 1080 is a lot (more or less 137%) more effective at anisotropic filtering than the Radeon R9 380 4G. (explain)

GeForce GTX 1080		257120 Mtexels/sec
Radeon R9 380 4G		108640 Mtexels/sec
	Difference: 148480 (137%)

Pixel Rate

The GeForce GTX 1080 should be much (more or less 231%) faster with regards to anti-aliasing than the Radeon R9 380 4G, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 1080		102848 Mpixels/sec
Radeon R9 380 4G		31040 Mpixels/sec
	Difference: 71808 (231%)

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 (in units of megabytes per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.