Radeon R7 370 4G vs Radeon R9 285

Intro

Compare all that to the Radeon R9 285, which features GPU core speed of 918 MHz, and 2048 MB of GDDR5 memory set to run at 1375 MHz through a 256-bit bus. It also is comprised of 1792 SPUs, 112 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 R9 285		18 Mh/s
Radeon R7 370 4G		17 Mh/s
	Difference: 1 (6%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G		110 Watts
Radeon R9 285		190 Watts
	Difference: 80 Watts (73%)

Memory Bandwidth

The Radeon R7 370 4G should in theory perform a small bit faster than the Radeon R9 285 in general. (explain)

Radeon R7 370 4G		179200 MB/sec
Radeon R9 285		176000 MB/sec
	Difference: 3200 (2%)

Texel Rate

The Radeon R9 285 will be much (approximately 65%) better at AF than the Radeon R7 370 4G. (explain)

Radeon R9 285		102816 Mtexels/sec
Radeon R7 370 4G		62400 Mtexels/sec
	Difference: 40416 (65%)

Pixel Rate

The Radeon R7 370 4G will be a small bit (approximately 6%) better at anti-aliasing than the Radeon R9 285, and also able to handle higher screen resolutions without losing too much performance. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
Radeon R9 285		29376 Mpixels/sec
	Difference: 1824 (6%)

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 max amount of data (in units of MB per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at handling 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 card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.