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Geforce GTX 690 vs Radeon R9 380X

Intro

The Geforce GTX 690 has a clock speed of 915 MHz and a GDDR5 memory frequency of 1502 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It is made up of 1536 SPUs, 128 TAUs, and 32 Raster Operation Units.

Compare that to the Radeon R9 380X, which uses a 28 nm design. AMD has set the core frequency at 970 MHz. The GDDR5 memory is set to run at a speed of 1425 MHz on this particular model. It features 2048 SPUs as well as 128 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

Geforce GTX 690		13111 points
Radeon R9 380X		9519 points
	Difference: 3592 (38%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380X		190 Watts
Geforce GTX 690		300 Watts
	Difference: 110 Watts (58%)

Memory Bandwidth

Performance-wise, the Geforce GTX 690 should in theory be quite a bit better than the Radeon R9 380X in general. (explain)

Geforce GTX 690		384512 MB/sec
Radeon R9 380X		182400 MB/sec
	Difference: 202112 (111%)

Texel Rate

The Geforce GTX 690 should be much (more or less 89%) faster with regards to texture filtering than the Radeon R9 380X. (explain)

Geforce GTX 690		234240 Mtexels/sec
Radeon R9 380X		124160 Mtexels/sec
	Difference: 110080 (89%)

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 690 is the winner, by a large margin. (explain)

Geforce GTX 690		58560 Mpixels/sec
Radeon R9 380X		31040 Mpixels/sec
	Difference: 27520 (89%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Geforce GTX 690

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Radeon R9 380X

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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 690	Radeon R9 380X
Manufacturer	nVidia	AMD
Year	April 2012	November 2015
Code Name	GK104	Tonga XT
Memory	2048 MB (x2)	4096 MB
Core Speed	915 MHz (x2)	970 MHz
Memory Speed	6008 MHz (x2)	5700 MHz
Power (Max TDP)	300 watts	190 watts
Bandwidth	384512 MB/sec	182400 MB/sec
Texel Rate	234240 Mtexels/sec	124160 Mtexels/sec
Pixel Rate	58560 Mpixels/sec	31040 Mpixels/sec
Unified Shaders	1536 (x2)	2048
Texture Mapping Units	128 (x2)	128
Render Output Units	32 (x2)	32
Bus Type	GDDR5	GDDR5
Bus Width	256-bit (x2)	256-bit
Fab Process	28 nm	28 nm
Transistors	3540 million	5000 million
Bus	PCIe 3.0 x16	PCIe 3.0 x16
DirectX Version	DirectX 11.0	DirectX 12.0
OpenGL Version	OpenGL 4.2	OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, 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 maximum amount of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

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