Radeon RX 460 2GB vs Radeon RX 480 4GB

Intro

Compare that to the Radeon RX 480 4GB, which comes with GPU core speed of 1120 MHz, and 4096 MB of GDDR5 memory running at 1750 MHz through a 256-bit bus. It also is made up of 2304 Stream Processors, 144 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.

Zcash Mining Hash Rate

Radeon RX 480 4GB		267 Sol/s
Radeon RX 460 2GB		117 Sol/s
	Difference: 150 (128%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB		75 Watts
Radeon RX 480 4GB		150 Watts
	Difference: 75 Watts (100%)

Memory Bandwidth

In theory, the Radeon RX 480 4GB should be much faster than the Radeon RX 460 2GB overall. (explain)

Radeon RX 480 4GB		229376 MB/sec
Radeon RX 460 2GB		112000 MB/sec
	Difference: 117376 (105%)

Texel Rate

The Radeon RX 480 4GB will be quite a bit (approximately 164%) faster with regards to AF than the Radeon RX 460 2GB. (explain)

Radeon RX 480 4GB		161280 Mtexels/sec
Radeon RX 460 2GB		61040 Mtexels/sec
	Difference: 100240 (164%)

Pixel Rate

The Radeon RX 480 4GB should be quite a bit (about 106%) better at anti-aliasing than the Radeon RX 460 2GB, and should be capable of handling higher screen resolutions better. (explain)

Radeon RX 480 4GB		35840 Mpixels/sec
Radeon RX 460 2GB		17440 Mpixels/sec
	Difference: 18400 (106%)

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 largest amount of information (counted in megabytes per second) that can be moved over 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 the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is calculated by multiplying the total number of texture units 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 processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.