Geforce GTX 690 vs Radeon R9 380 4G

Intro

Compare those specifications to the Radeon R9 380 4G, which makes use of a 28 nm design. AMD has set the core frequency at 970 MHz. The GDDR5 RAM is set to run at a speed of 1425 MHz on this specific model. It features 1792 SPUs as well as 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 690		13111 points
Radeon R9 380 4G		8837 points
	Difference: 4274 (48%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 4G		190 Watts
Geforce GTX 690		300 Watts
	Difference: 110 Watts (58%)

Memory Bandwidth

In theory, the Geforce GTX 690 will be 111% faster than the Radeon R9 380 4G overall, due to its higher bandwidth. (explain)

Geforce GTX 690		384512 MB/sec
Radeon R9 380 4G		182400 MB/sec
	Difference: 202112 (111%)

Texel Rate

The Geforce GTX 690 will be much (approximately 116%) faster with regards to AF than the Radeon R9 380 4G. (explain)

Geforce GTX 690		234240 Mtexels/sec
Radeon R9 380 4G		108640 Mtexels/sec
	Difference: 125600 (116%)

Pixel Rate

If using a high resolution is important to you, then the Geforce GTX 690 is a better choice, by far. (explain)

Geforce GTX 690		58560 Mpixels/sec
Radeon R9 380 4G		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

Specifications

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. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 are processed per second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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