Radeon HD 6950 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 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G		110 Watts
Radeon HD 6950		200 Watts
	Difference: 90 Watts (82%)

Memory Bandwidth

The Radeon R7 370 4G should in theory be a small bit faster than the Radeon HD 6950 in general. (explain)

Radeon R7 370 4G		179200 MB/sec
Radeon HD 6950		160000 MB/sec
	Difference: 19200 (12%)

Texel Rate

The Radeon HD 6950 is just a bit (more or less 13%) better at AF than the Radeon R7 370 4G. (explain)

Radeon HD 6950		70400 Mtexels/sec
Radeon R7 370 4G		62400 Mtexels/sec
	Difference: 8000 (13%)

Pixel Rate

The Radeon R7 370 4G should be quite a bit (more or less 22%) faster with regards to full screen anti-aliasing than the Radeon HD 6950, and also should be able to handle higher resolutions more effectively. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
Radeon HD 6950		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 max amount of data (counted in megabytes per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 can be applied in one second. This number is worked out by multiplying the total number of texture units by the core 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 applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs 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 also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.