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Geforce GTX 670 vs Radeon R9 380 2G

Intro

The Geforce GTX 670 comes with a GPU clock speed of 915 MHz, and the 2048 MB of GDDR5 memory is set to run at 1500 MHz through a 256-bit bus. It also is comprised of 1344 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

Compare that to the Radeon R9 380 2G, which comes with GPU core speed of 970 MHz, and 2048 MB of GDDR5 memory running at 1425 MHz through a 256-bit bus. It also features 1792 Stream Processors, 112 TAUs, and 32 Raster Operation 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 670		7351 points
	Difference: 1499 (20%)

Ethereum Mining Hash Rate

Radeon R9 380 2G		19 Mh/s
Geforce GTX 670		13 Mh/s
	Difference: 6 (46%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670		170 Watts
Radeon R9 380 2G		190 Watts
	Difference: 20 Watts (12%)

Memory Bandwidth

In theory, the Geforce GTX 670 should perform a bit faster than the Radeon R9 380 2G overall. (explain)

Geforce GTX 670		192000 MB/sec
Radeon R9 380 2G		182400 MB/sec
	Difference: 9600 (5%)

Texel Rate

The Radeon R9 380 2G should be just a bit (approximately 6%) faster with regards to texture filtering than the Geforce GTX 670. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
Geforce GTX 670		102480 Mtexels/sec
	Difference: 6160 (6%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 380 2G is the winner, but it probably won't make a huge difference. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
Geforce GTX 670		29280 Mpixels/sec
	Difference: 1760 (6%)

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 670

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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 670	Radeon R9 380 2G
Manufacturer	nVidia	AMD
Year	May 2012	June 2015
Code Name	GK104	Antigua PRO
Memory	2048 MB	2048 MB
Core Speed	915 MHz	970 MHz
Memory Speed	6000 MHz	5700 MHz
Power (Max TDP)	170 watts	190 watts
Bandwidth	192000 MB/sec	182400 MB/sec
Texel Rate	102480 Mtexels/sec	108640 Mtexels/sec
Pixel Rate	29280 Mpixels/sec	31040 Mpixels/sec
Unified Shaders	1344	1792
Texture Mapping Units	112	112
Render Output Units	32	32
Bus Type	GDDR5	GDDR5
Bus Width	256-bit	256-bit
Fab Process	28 nm	28 nm
Transistors	3540 million	5000 million
Bus	PCIe 3.0 x16	PCIe 3.0 ×16
DirectX Version	DirectX 11.0	DirectX 12.0
OpenGL Version	OpenGL 4.2	OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

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