Radeon HD 5670 vs Radeon R7 370 4G

Intro

Compare those specifications 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 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 HD 5670		61 Watts
Radeon R7 370 4G		110 Watts
	Difference: 49 Watts (80%)

Memory Bandwidth

In theory, the Radeon R7 370 4G should perform much faster than the Radeon HD 5670 in general. (explain)

Radeon R7 370 4G		179200 MB/sec
Radeon HD 5670		64000 MB/sec
	Difference: 115200 (180%)

Texel Rate

The Radeon R7 370 4G will be much (about 303%) better at AF than the Radeon HD 5670. (explain)

Radeon R7 370 4G		62400 Mtexels/sec
Radeon HD 5670		15500 Mtexels/sec
	Difference: 46900 (303%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R7 370 4G is superior to the Radeon HD 5670, and very much so. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
Radeon HD 5670		6200 Mpixels/sec
	Difference: 25000 (403%)

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: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per 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 better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 ability to get to the maximum fill rate.