GeForce GTX 980 vs Radeon R9 380 4G

Intro

Compare those specs to the Radeon R9 380 4G, which features core speeds of 970 MHz on the GPU, and 1425 MHz on the 4096 MB of GDDR5 RAM. It features 1792 SPUs along with 112 Texture Address Units 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 980		13552 points
Radeon R9 380 4G		8837 points
	Difference: 4715 (53%)

Ethereum Mining Hash Rate

Radeon R9 380 4G		21 Mh/s
GeForce GTX 980		20 Mh/s
	Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
Radeon R9 380 4G		190 Watts
	Difference: 25 Watts (15%)

Memory Bandwidth

Theoretically, the GeForce GTX 980 should perform much faster than the Radeon R9 380 4G in general. (explain)

GeForce GTX 980		224000 MB/sec
Radeon R9 380 4G		182400 MB/sec
	Difference: 41600 (23%)

Texel Rate

The GeForce GTX 980 will be much (more or less 33%) better at AF than the Radeon R9 380 4G. (explain)

GeForce GTX 980		144128 Mtexels/sec
Radeon R9 380 4G		108640 Mtexels/sec
	Difference: 35488 (33%)

Pixel Rate

The GeForce GTX 980 will be a lot (more or less 132%) faster with regards to anti-aliasing than the Radeon R9 380 4G, and also able to handle higher resolutions while still performing well. (explain)

GeForce GTX 980		72064 Mpixels/sec
Radeon R9 380 4G		31040 Mpixels/sec
	Difference: 41024 (132%)

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 (measured in MB per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the 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 most pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.