Radeon HD 7950 3GB vs Radeon RX 480

Intro

Compare all of that to the Radeon RX 480, which has core clock speeds of 1120 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 RAM. It features 2304 SPUs along with 144 TAUs and 32 Rasterization Operator Units.

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 RX 480		280 Sol/s
Radeon HD 7950 3GB		229 Sol/s
	Difference: 51 (22%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480		150 Watts
Radeon HD 7950 3GB		200 Watts
	Difference: 50 Watts (33%)

Memory Bandwidth

Performance-wise, the Radeon RX 480 should in theory be a bit superior to the Radeon HD 7950 3GB in general. (explain)

Radeon RX 480		262144 MB/sec
Radeon HD 7950 3GB		240000 MB/sec
	Difference: 22144 (9%)

Texel Rate

The Radeon RX 480 should be much (approximately 80%) faster with regards to AF than the Radeon HD 7950 3GB. (explain)

Radeon RX 480		161280 Mtexels/sec
Radeon HD 7950 3GB		89600 Mtexels/sec
	Difference: 71680 (80%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 480 is superior to the Radeon HD 7950 3GB, by a large margin. (explain)

Radeon RX 480		35840 Mpixels/sec
Radeon HD 7950 3GB		25600 Mpixels/sec
	Difference: 10240 (40%)

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 largest amount of information (counted in megabytes per second) that can be transported past the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type 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 anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in one 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 called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.