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GeForce GTX 580 vs Radeon R9 380 2G

Intro

The GeForce GTX 580 makes use of a 40 nm design. nVidia has set the core frequency at 772 MHz. The GDDR5 memory is set to run at a speed of 1002 MHz on this specific model. It features 512 SPUs as well as 64 TAUs and 48 Rasterization Operator Units.

Compare those specs to the Radeon R9 380 2G, which comes with core speeds of 970 MHz on the GPU, and 1425 MHz on the 2048 MB of GDDR5 memory. It features 1792 SPUs along with 112 TAUs and 32 Rasterization Operator Units.

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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 580		4956 points
	Difference: 3894 (79%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 2G		190 Watts
GeForce GTX 580		244 Watts
	Difference: 54 Watts (28%)

Memory Bandwidth

In theory, the GeForce GTX 580 is 5% quicker than the Radeon R9 380 2G overall, due to its greater data rate. (explain)

GeForce GTX 580		192384 MB/sec
Radeon R9 380 2G		182400 MB/sec
	Difference: 9984 (5%)

Texel Rate

The Radeon R9 380 2G is much (about 120%) better at AF than the GeForce GTX 580. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
GeForce GTX 580		49408 Mtexels/sec
	Difference: 59232 (120%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 580 is superior to the Radeon R9 380 2G, but only just. (explain)

GeForce GTX 580		37056 Mpixels/sec
Radeon R9 380 2G		31040 Mpixels/sec
	Difference: 6016 (19%)

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

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GeForce GTX 580

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Radeon R9 380 2G

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model	GeForce GTX 580	Radeon R9 380 2G
Manufacturer	nVidia	AMD
Year	November 2010	June 2015
Code Name	GF110	Antigua PRO
Memory	1536 MB	2048 MB
Core Speed	772 MHz	970 MHz
Memory Speed	4008 MHz	5700 MHz
Power (Max TDP)	244 watts	190 watts
Bandwidth	192384 MB/sec	182400 MB/sec
Texel Rate	49408 Mtexels/sec	108640 Mtexels/sec
Pixel Rate	37056 Mpixels/sec	31040 Mpixels/sec
Unified Shaders	512	1792
Texture Mapping Units	64	112
Render Output Units	48	32
Bus Type	GDDR5	GDDR5
Bus Width	384-bit	256-bit
Fab Process	40 nm	28 nm
Transistors	3000 million	5000 million
Bus	PCIe x16	PCIe 3.0 ×16
DirectX Version	DirectX 11	DirectX 12.0
OpenGL Version	OpenGL 4.1	OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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