GeForce GTX 580 3GB vs Radeon R7 370 4G

Intro

Compare that to the Radeon R7 370 4G, which uses a 28 nm design. AMD has clocked the core frequency at 975 MHz. The GDDR5 RAM works at a frequency of 1400 MHz on this specific card. It features 1024 SPUs as well as 64 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G		110 Watts
GeForce GTX 580 3GB		244 Watts
	Difference: 134 Watts (122%)

Memory Bandwidth

In theory, the GeForce GTX 580 3GB will be 7% quicker than the Radeon R7 370 4G in general, because of its higher data rate. (explain)

GeForce GTX 580 3GB		192384 MB/sec
Radeon R7 370 4G		179200 MB/sec
	Difference: 13184 (7%)

Texel Rate

The Radeon R7 370 4G is much (more or less 26%) more effective at texture filtering than the GeForce GTX 580 3GB. (explain)

Radeon R7 370 4G		62400 Mtexels/sec
GeForce GTX 580 3GB		49408 Mtexels/sec
	Difference: 12992 (26%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 580 3GB is superior to the Radeon R7 370 4G, but it probably won't make a huge difference. (explain)

GeForce GTX 580 3GB		37056 Mpixels/sec
Radeon R7 370 4G		31200 Mpixels/sec
	Difference: 5856 (19%)

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

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the 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 are applied in one second. This number 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.