GeForce GTX 590 vs Radeon R9 390X 8G

Intro

Compare all of that to the Radeon R9 390X 8G, which comes with core speeds of 1050 MHz on the GPU, and 1500 MHz on the 8192 MB of GDDR5 memory. It features 2816 SPUs as well as 176 TAUs and 64 ROPs.

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 390X 8G		13555 points
GeForce GTX 590		6680 points
	Difference: 6875 (103%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 390X 8G		275 Watts
GeForce GTX 590		365 Watts
	Difference: 90 Watts (33%)

Memory Bandwidth

The Radeon R9 390X 8G, in theory, should perform a little bit faster than the GeForce GTX 590 overall. (explain)

Radeon R9 390X 8G		384000 MB/sec
GeForce GTX 590		328320 MB/sec
	Difference: 55680 (17%)

Texel Rate

The Radeon R9 390X 8G will be a lot (approximately 138%) better at anisotropic filtering than the GeForce GTX 590. (explain)

Radeon R9 390X 8G		184800 Mtexels/sec
GeForce GTX 590		77696 Mtexels/sec
	Difference: 107104 (138%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 390X 8G is superior to the GeForce GTX 590, but it probably won't make a huge difference. (explain)

Radeon R9 390X 8G		67200 Mpixels/sec
GeForce GTX 590		58272 Mpixels/sec
	Difference: 8928 (15%)

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 information (in units of megabytes per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core 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 applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.