GeForce GTX 480 vs Radeon R9 380 2G

Intro

Compare those specifications to the Radeon R9 380 2G, which features a clock speed of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It is made up of 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

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 380 2G		8850 points
GeForce GTX 480		3650 points
	Difference: 5200 (142%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 2G		190 Watts
GeForce GTX 480		250 Watts
	Difference: 60 Watts (32%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 2G will be 3% quicker than the GeForce GTX 480 in general, because of its higher data rate. (explain)

Radeon R9 380 2G		182400 MB/sec
GeForce GTX 480		177408 MB/sec
	Difference: 4992 (3%)

Texel Rate

The Radeon R9 380 2G should be a lot (about 159%) better at AF than the GeForce GTX 480. (explain)

Radeon R9 380 2G		108640 Mtexels/sec
GeForce GTX 480		42000 Mtexels/sec
	Difference: 66640 (159%)

Pixel Rate

The GeForce GTX 480 will be just a bit (about 8%) faster with regards to AA than the Radeon R9 380 2G, and able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 480		33600 Mpixels/sec
Radeon R9 380 2G		31040 Mpixels/sec
	Difference: 2560 (8%)

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 maximum amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in a 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 - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.