GeForce 940M vs Radeon R7 240

Intro

Compare all that to the Radeon R7 240, which features GPU clock speed of 730 MHz, and 2048 MB of DDR3 memory set to run at 900 MHz through a 128-bit bus. It also features 320 SPUs, 20 TAUs, and 8 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

GeForce 940M		1740 points
Radeon R7 240		1218 points
	Difference: 522 (43%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R7 240 should theoretically be a lot faster than the GeForce 940M overall. (explain)

Radeon R7 240		28800 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 12800 (80%)

Texel Rate

The GeForce 940M should be much (about 76%) more effective at anisotropic filtering than the Radeon R7 240. (explain)

GeForce 940M		25728 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 11128 (76%)

Pixel Rate

The GeForce 940M is a lot (approximately 47%) faster with regards to full screen anti-aliasing than the Radeon R7 240, and also able to handle higher screen resolutions while still performing well. (explain)

GeForce 940M		8576 Mpixels/sec
Radeon R7 240		5840 Mpixels/sec
	Difference: 2736 (47%)

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 (in units of MB per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR memory, it 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 AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.