GeForce 940M vs Radeon R9 270

Intro

Compare those specifications to the Radeon R9 270, which has core clock speeds of 900 MHz on the GPU, and 1400 MHz on the 2048 MB of GDDR5 RAM. It features 1280 SPUs as well as 80 Texture Address Units and 32 Rasterization Operator 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 270		5943 points
GeForce 940M		1740 points
	Difference: 4203 (242%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 270, in theory, should be much faster than the GeForce 940M overall. (explain)

Radeon R9 270		179200 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 163200 (1020%)

Texel Rate

The Radeon R9 270 should be much (about 180%) faster with regards to AF than the GeForce 940M. (explain)

Radeon R9 270		72000 Mtexels/sec
GeForce 940M		25728 Mtexels/sec
	Difference: 46272 (180%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 270 is a better choice, by far. (explain)

Radeon R9 270		28800 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 20224 (236%)

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 transported over the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at 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 chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.