GeForce GTX 965M vs Radeon R9 380X

Intro

Compare all that to the Radeon R9 380X, which comes with GPU core speed of 970 MHz, and 4096 MB of GDDR5 memory set to run at 1425 MHz through a 256-bit bus. It also is comprised of 2048 Stream Processors, 128 TAUs, 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 380X		9519 points
GeForce GTX 965M		5650 points
	Difference: 3869 (68%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
Radeon R9 380X		190 Watts
	Difference: 130 Watts (217%)

Memory Bandwidth

The Radeon R9 380X, in theory, should perform quite a bit faster than the GeForce GTX 965M in general. (explain)

Radeon R9 380X		182400 MB/sec
GeForce GTX 965M		64000 MB/sec
	Difference: 118400 (185%)

Texel Rate

The Radeon R9 380X should be a lot (approximately 106%) more effective at anisotropic filtering than the GeForce GTX 965M. (explain)

Radeon R9 380X		124160 Mtexels/sec
GeForce GTX 965M		60416 Mtexels/sec
	Difference: 63744 (106%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 380X is superior to the GeForce GTX 965M, but it probably won't make a huge difference. (explain)

Radeon R9 380X		31040 Mpixels/sec
GeForce GTX 965M		30208 Mpixels/sec
	Difference: 832 (3%)

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 (in units of MB per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total amount of 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.