GeForce GTX 480 vs Radeon RX 470 4GB

Intro

Compare those specifications to the Radeon RX 470 4GB, which has core clock speeds of 926 MHz on the GPU, and 1650 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs as well as 128 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
GeForce GTX 480		250 Watts
	Difference: 130 Watts (108%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 470 4GB should perform a small bit faster than the GeForce GTX 480 overall. (explain)

Radeon RX 470 4GB		211200 MB/sec
GeForce GTX 480		177408 MB/sec
	Difference: 33792 (19%)

Texel Rate

The Radeon RX 470 4GB will be much (approximately 182%) better at anisotropic filtering than the GeForce GTX 480. (explain)

Radeon RX 470 4GB		118528 Mtexels/sec
GeForce GTX 480		42000 Mtexels/sec
	Difference: 76528 (182%)

Pixel Rate

The GeForce GTX 480 will be a small bit (approximately 13%) more effective at full screen anti-aliasing than the Radeon RX 470 4GB, and should be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 480		33600 Mpixels/sec
Radeon RX 470 4GB		29632 Mpixels/sec
	Difference: 3968 (13%)

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 largest amount of information (counted in MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once 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 AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant 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.