Radeon R9 M385X vs Radeon RX 470 4GB

Intro

Compare those specs to the Radeon RX 470 4GB, which uses a 14 nm design. AMD has set the core speed at 926 MHz. The GDDR5 memory is set to run at a frequency of 1650 MHz on this card. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon RX 470 4GB is 120% faster than the Radeon R9 M385X overall, due to its greater data rate. (explain)

Radeon RX 470 4GB		211200 MB/sec
Radeon R9 M385X		96000 MB/sec
	Difference: 115200 (120%)

Texel Rate

The Radeon RX 470 4GB should be quite a bit (more or less 92%) faster with regards to AF than the Radeon R9 M385X. (explain)

Radeon RX 470 4GB		118528 Mtexels/sec
Radeon R9 M385X		61600 Mtexels/sec
	Difference: 56928 (92%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 470 4GB is superior to the Radeon R9 M385X, by far. (explain)

Radeon RX 470 4GB		29632 Mpixels/sec
Radeon R9 M385X		17600 Mpixels/sec
	Difference: 12032 (68%)

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 data (in units of MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If 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, High Dynamic Range 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 amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.