GeForce GT 440 3GB vs Radeon R7 M265

Intro

Compare all that to the Radeon R7 M265, which uses a 28 nm design. AMD has set the core speed at 725 MHz. The DDR3 memory works at a frequency of 1000 MHz on this specific card. It features 384 SPUs along with 24 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GT 440 3GB should in theory be quite a bit superior to the Radeon R7 M265 in general. (explain)

GeForce GT 440 3GB		43200 MB/sec
Radeon R7 M265		32000 MB/sec
	Difference: 11200 (35%)

Texel Rate

The Radeon R7 M265 will be much (more or less 22%) more effective at AF than the GeForce GT 440 3GB. (explain)

Radeon R7 M265		17400 Mtexels/sec
GeForce GT 440 3GB		14256 Mtexels/sec
	Difference: 3144 (22%)

Pixel Rate

The GeForce GT 440 3GB is quite a bit (about 146%) better at FSAA than the Radeon R7 M265, and capable of handling higher resolutions without slowing down too much. (explain)

GeForce GT 440 3GB		14256 Mpixels/sec
Radeon R7 M265		5800 Mpixels/sec
	Difference: 8456 (146%)

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 (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's 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 texture map elements (texels) that can be applied in one 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.