Radeon HD 7950 vs Radeon R9 M370X

Intro

Compare those specs to the Radeon R9 M370X, which features a core clock frequency of 800 MHz and a GDDR5 memory speed of 1125 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It is made up of 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon HD 7950 should theoretically be much superior to the Radeon R9 M370X overall. (explain)

Radeon HD 7950		240000 MB/sec
Radeon R9 M370X		72000 MB/sec
	Difference: 168000 (233%)

Texel Rate

The Radeon HD 7950 is quite a bit (approximately 180%) more effective at anisotropic filtering than the Radeon R9 M370X. (explain)

Radeon HD 7950		89600 Mtexels/sec
Radeon R9 M370X		32000 Mtexels/sec
	Difference: 57600 (180%)

Pixel Rate

The Radeon HD 7950 should be much (approximately 100%) more effective at anti-aliasing than the Radeon R9 M370X, and will be capable of handling higher screen resolutions more effectively. (explain)

Radeon HD 7950		25600 Mpixels/sec
Radeon R9 M370X		12800 Mpixels/sec
	Difference: 12800 (100%)

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 (in units of MB per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the 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 number of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the 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 clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on 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 bandwidth is, the lower the potential to reach the max fill rate.