Radeon R9 M395X vs Radeon RX 460 2GB

Intro

Compare those specs to the Radeon RX 460 2GB, which comes with a clock speed of 1090 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and uses a 14 nm design. It is made up of 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB		75 Watts
Radeon R9 M395X		125 Watts
	Difference: 50 Watts (67%)

Memory Bandwidth

Performance-wise, the Radeon R9 M395X should in theory be quite a bit better than the Radeon RX 460 2GB in general. (explain)

Radeon R9 M395X		160000 MB/sec
Radeon RX 460 2GB		112000 MB/sec
	Difference: 48000 (43%)

Texel Rate

The Radeon R9 M395X is quite a bit (more or less 52%) more effective at AF than the Radeon RX 460 2GB. (explain)

Radeon R9 M395X		92544 Mtexels/sec
Radeon RX 460 2GB		61040 Mtexels/sec
	Difference: 31504 (52%)

Pixel Rate

The Radeon R9 M395X is a lot (more or less 33%) better at FSAA than the Radeon RX 460 2GB, and should be able to handle higher resolutions without losing too much performance. (explain)

Radeon R9 M395X		23136 Mpixels/sec
Radeon RX 460 2GB		17440 Mpixels/sec
	Difference: 5696 (33%)

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 maximum amount of information (measured in MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the video 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 write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.