GeForce GTX 590 vs Radeon R9 380 4G

Intro

Compare that 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 works at a frequency of 1425 MHz on this model. 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

Radeon R9 380 4G		8837 points
GeForce GTX 590		6680 points
	Difference: 2157 (32%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 4G		190 Watts
GeForce GTX 590		365 Watts
	Difference: 175 Watts (92%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 590 should in theory be much better than the Radeon R9 380 4G in general. (explain)

GeForce GTX 590		328320 MB/sec
Radeon R9 380 4G		182400 MB/sec
	Difference: 145920 (80%)

Texel Rate

The Radeon R9 380 4G will be a lot (approximately 40%) better at texture filtering than the GeForce GTX 590. (explain)

Radeon R9 380 4G		108640 Mtexels/sec
GeForce GTX 590		77696 Mtexels/sec
	Difference: 30944 (40%)

Pixel Rate

The GeForce GTX 590 is a lot (about 88%) better at AA than the Radeon R9 380 4G, and should be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 590		58272 Mpixels/sec
Radeon R9 380 4G		31040 Mpixels/sec
	Difference: 27232 (88%)

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: Bandwidth is the largest amount of data (measured in MB per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the video 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 number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's clock speed. 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 also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.