GeForce GTX 580 vs Radeon R9 380X

Intro

Compare all that to the Radeon R9 380X, which makes use of a 28 nm design. AMD has clocked the core speed at 970 MHz. The GDDR5 RAM is set to run at a speed of 1425 MHz on this particular model. It features 2048 SPUs along with 128 Texture Address Units and 32 ROPs.

Display Graphs

Hide Graphs

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 380X		9519 points
GeForce GTX 580		4956 points
	Difference: 4563 (92%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380X		190 Watts
GeForce GTX 580		244 Watts
	Difference: 54 Watts (28%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 580 is 5% faster than the Radeon R9 380X in general, because of its greater bandwidth. (explain)

GeForce GTX 580		192384 MB/sec
Radeon R9 380X		182400 MB/sec
	Difference: 9984 (5%)

Texel Rate

The Radeon R9 380X is quite a bit (more or less 151%) faster with regards to AF than the GeForce GTX 580. (explain)

Radeon R9 380X		124160 Mtexels/sec
GeForce GTX 580		49408 Mtexels/sec
	Difference: 74752 (151%)

Pixel Rate

The GeForce GTX 580 will be just a bit (approximately 19%) faster with regards to AA than the Radeon R9 380X, and able to handle higher resolutions better. (explain)

GeForce GTX 580		37056 Mpixels/sec
Radeon R9 380X		31040 Mpixels/sec
	Difference: 6016 (19%)

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 data (measured in megabytes per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the 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 maximum amount of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.