Radeon HD 7870 XT vs Radeon RX 470 4GB

Intro

Compare all of that to the Radeon RX 470 4GB, which features clock speeds of 926 MHz on the GPU, and 1650 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 Texture Address Units 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.

Ethereum Mining Hash Rate

Radeon RX 470 4GB		27 Mh/s
Radeon HD 7870 XT		15 Mh/s
	Difference: 12 (80%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
Radeon HD 7870 XT		185 Watts
	Difference: 65 Watts (54%)

Memory Bandwidth

In theory, the Radeon RX 470 4GB should perform just a bit faster than the Radeon HD 7870 XT overall. (explain)

Radeon RX 470 4GB		211200 MB/sec
Radeon HD 7870 XT		192000 MB/sec
	Difference: 19200 (10%)

Texel Rate

The Radeon RX 470 4GB is much (about 33%) better at anisotropic filtering than the Radeon HD 7870 XT. (explain)

Radeon RX 470 4GB		118528 Mtexels/sec
Radeon HD 7870 XT		88800 Mtexels/sec
	Difference: 29728 (33%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 470 4GB is superior to the Radeon HD 7870 XT, but only just. (explain)

Radeon RX 470 4GB		29632 Mpixels/sec
Radeon HD 7870 XT		29600 Mpixels/sec
	Difference: 32 (0%)

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 data (measured in megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 are processed per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its 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 card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.