Radeon R9 295X2 vs Radeon RX 460 2GB

Intro

Compare those specifications to the Radeon RX 460 2GB, which uses a 14 nm design. AMD has set the core frequency at 1090 MHz. The GDDR5 RAM is set to run at a frequency of 1750 MHz on this model. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB		75 Watts
Radeon R9 295X2		500 Watts
	Difference: 425 Watts (567%)

Memory Bandwidth

The Radeon R9 295X2 should in theory perform quite a bit faster than the Radeon RX 460 2GB overall. (explain)

Radeon R9 295X2		640000 MB/sec
Radeon RX 460 2GB		112000 MB/sec
	Difference: 528000 (471%)

Texel Rate

The Radeon R9 295X2 is much (more or less 487%) faster with regards to anisotropic filtering than the Radeon RX 460 2GB. (explain)

Radeon R9 295X2		358336 Mtexels/sec
Radeon RX 460 2GB		61040 Mtexels/sec
	Difference: 297296 (487%)

Pixel Rate

The Radeon R9 295X2 is much (about 647%) faster with regards to full screen anti-aliasing than the Radeon RX 460 2GB, and able to handle higher resolutions while still performing well. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Radeon RX 460 2GB		17440 Mpixels/sec
	Difference: 112864 (647%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.