GeForce GTX 480 vs Radeon R9 270

Intro

Compare those specs to the Radeon R9 270, which comes with a GPU core clock speed of 900 MHz, and 2048 MB of GDDR5 RAM running at 1400 MHz through a 256-bit bus. It also is made up of 1280 SPUs, 80 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.

3DMark Fire Strike Graphics Score

Radeon R9 270		5943 points
GeForce GTX 480		3650 points
	Difference: 2293 (63%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 270		150 Watts
GeForce GTX 480		250 Watts
	Difference: 100 Watts (67%)

Memory Bandwidth

In theory, the Radeon R9 270 should be a bit faster than the GeForce GTX 480 in general. (explain)

Radeon R9 270		179200 MB/sec
GeForce GTX 480		177408 MB/sec
	Difference: 1792 (1%)

Texel Rate

The Radeon R9 270 will be much (approximately 71%) better at texture filtering than the GeForce GTX 480. (explain)

Radeon R9 270		72000 Mtexels/sec
GeForce GTX 480		42000 Mtexels/sec
	Difference: 30000 (71%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 480 is superior to the Radeon R9 270, not by a very large margin though. (explain)

GeForce GTX 480		33600 Mpixels/sec
Radeon R9 270		28800 Mpixels/sec
	Difference: 4800 (17%)

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 max amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs 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 fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.