Radeon HD 5970 vs Radeon R7 370 4G

Intro

Compare those specs to the Radeon R7 370 4G, which features core speeds of 975 MHz on the GPU, and 1400 MHz on the 4096 MB of GDDR5 RAM. It features 1024 SPUs as well as 64 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G		110 Watts
Radeon HD 5970		294 Watts
	Difference: 184 Watts (167%)

Memory Bandwidth

The Radeon HD 5970, in theory, should be quite a bit faster than the Radeon R7 370 4G overall. (explain)

Radeon HD 5970		256000 MB/sec
Radeon R7 370 4G		179200 MB/sec
	Difference: 76800 (43%)

Texel Rate

The Radeon HD 5970 should be much (approximately 272%) better at AF than the Radeon R7 370 4G. (explain)

Radeon HD 5970		232000 Mtexels/sec
Radeon R7 370 4G		62400 Mtexels/sec
	Difference: 169600 (272%)

Pixel Rate

The Radeon HD 5970 should be quite a bit (more or less 197%) faster with regards to AA than the Radeon R7 370 4G, and able to handle higher resolutions better. (explain)

Radeon HD 5970		92800 Mpixels/sec
Radeon R7 370 4G		31200 Mpixels/sec
	Difference: 61600 (197%)

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 megabytes per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the 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 most pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.