Radeon HD 7950 3GB vs Radeon R7 370 2G

Intro

Compare all of that to the Radeon R7 370 2G, which comes with a clock frequency of 975 MHz and a GDDR5 memory speed of 1400 MHz. It also features a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1024 SPUs, 64 TAUs, and 32 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.

Zcash Mining Hash Rate

Radeon HD 7950 3GB		229 Sol/s
Radeon R7 370 2G		210 Sol/s
	Difference: 19 (9%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 2G		110 Watts
Radeon HD 7950 3GB		200 Watts
	Difference: 90 Watts (82%)

Memory Bandwidth

In theory, the Radeon HD 7950 3GB should be 34% faster than the Radeon R7 370 2G overall, due to its greater data rate. (explain)

Radeon HD 7950 3GB		240000 MB/sec
Radeon R7 370 2G		179200 MB/sec
	Difference: 60800 (34%)

Texel Rate

The Radeon HD 7950 3GB will be quite a bit (more or less 44%) better at anisotropic filtering than the Radeon R7 370 2G. (explain)

Radeon HD 7950 3GB		89600 Mtexels/sec
Radeon R7 370 2G		62400 Mtexels/sec
	Difference: 27200 (44%)

Pixel Rate

The Radeon R7 370 2G will be much (approximately 22%) better at anti-aliasing than the Radeon HD 7950 3GB, and also able to handle higher screen resolutions more effectively. (explain)

Radeon R7 370 2G		31200 Mpixels/sec
Radeon HD 7950 3GB		25600 Mpixels/sec
	Difference: 5600 (22%)

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 largest amount of information (measured in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the 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 that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.