GeForce GT 240 GDDR5 vs Radeon R5 M330

Intro

Compare those specifications to the Radeon R5 M330, which features a core clock speed of 1030 MHz and a DDR3 memory frequency of 900 MHz. It also uses a 64-bit bus, and uses a 28 nm design. It is comprised of 320 SPUs, 20 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GT 240 GDDR5 should be much faster than the Radeon R5 M330 in general. (explain)

GeForce GT 240 GDDR5		54400 MB/sec
Radeon R5 M330		14400 MB/sec
	Difference: 40000 (278%)

Texel Rate

The Radeon R5 M330 is a small bit (about 17%) more effective at texture filtering than the GeForce GT 240 GDDR5. (explain)

Radeon R5 M330		20600 Mtexels/sec
GeForce GT 240 GDDR5		17600 Mtexels/sec
	Difference: 3000 (17%)

Pixel Rate

The Radeon R5 M330 is a lot (approximately 87%) faster with regards to anti-aliasing than the GeForce GT 240 GDDR5, and able to handle higher screen resolutions without slowing down too much. (explain)

Radeon R5 M330		8240 Mpixels/sec
GeForce GT 240 GDDR5		4400 Mpixels/sec
	Difference: 3840 (87%)

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 data (in units of megabytes per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it must 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 number 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 higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock 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 fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.