GeForce GTX 965M vs Radeon R9 270X

Intro

Compare those specifications to the Radeon R9 270X, which comes with a core clock speed of 1000 MHz and a GDDR5 memory speed of 1400 MHz. It also features a 256-bit memory bus, and makes use of a 28 nm design. It features 1280 SPUs, 80 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 270X		6590 points
GeForce GTX 965M		5650 points
	Difference: 940 (17%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
Radeon R9 270X		180 Watts
	Difference: 120 Watts (200%)

Memory Bandwidth

Theoretically, the Radeon R9 270X should be much faster than the GeForce GTX 965M in general. (explain)

Radeon R9 270X		179200 MB/sec
GeForce GTX 965M		64000 MB/sec
	Difference: 115200 (180%)

Texel Rate

The Radeon R9 270X will be a lot (about 32%) better at anisotropic filtering than the GeForce GTX 965M. (explain)

Radeon R9 270X		80000 Mtexels/sec
GeForce GTX 965M		60416 Mtexels/sec
	Difference: 19584 (32%)

Pixel Rate

The Radeon R9 270X will be just a bit (about 6%) better at AA than the GeForce GTX 965M, and also will be able to handle higher resolutions better. (explain)

Radeon R9 270X		32000 Mpixels/sec
GeForce GTX 965M		30208 Mpixels/sec
	Difference: 1792 (6%)

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 maximum amount of information (measured in megabytes per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the 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 texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at 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 chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output 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 reach the max fill rate.