Radeon R9 295X2 vs Radeon RX 480 4GB

Intro

Compare those specifications to the Radeon RX 480 4GB, which features core speeds of 1120 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 memory. It features 2304 SPUs as well as 144 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB		150 Watts
Radeon R9 295X2		500 Watts
	Difference: 350 Watts (233%)

Memory Bandwidth

In theory, the Radeon R9 295X2 should be a lot faster than the Radeon RX 480 4GB overall. (explain)

Radeon R9 295X2		640000 MB/sec
Radeon RX 480 4GB		229376 MB/sec
	Difference: 410624 (179%)

Texel Rate

The Radeon R9 295X2 will be quite a bit (about 122%) more effective at texture filtering than the Radeon RX 480 4GB. (explain)

Radeon R9 295X2		358336 Mtexels/sec
Radeon RX 480 4GB		161280 Mtexels/sec
	Difference: 197056 (122%)

Pixel Rate

The Radeon R9 295X2 will be quite a bit (about 264%) faster with regards to AA than the Radeon RX 480 4GB, and also should be able to handle higher resolutions without losing too much performance. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Radeon RX 480 4GB		35840 Mpixels/sec
	Difference: 94464 (264%)

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 largest amount of data (in units of megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.