Radeon HD 5450 vs Radeon R7 M260

Intro

Compare that to the Radeon R7 M260, which uses a 28 nm design. AMD has clocked the core speed at 715 MHz. The DDR3 memory runs at a speed of 1000 MHz on this specific model. It features 384 SPUs as well as 24 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R7 M260 will be 25% quicker than the Radeon HD 5450 in general, because of its greater data rate. (explain)

Radeon R7 M260		16000 MB/sec
Radeon HD 5450		12800 MB/sec
	Difference: 3200 (25%)

Texel Rate

The Radeon R7 M260 should be a lot (about 230%) faster with regards to AF than the Radeon HD 5450. (explain)

Radeon R7 M260		17160 Mtexels/sec
Radeon HD 5450		5200 Mtexels/sec
	Difference: 11960 (230%)

Pixel Rate

The Radeon R7 M260 will be quite a bit (approximately 120%) more effective at full screen anti-aliasing than the Radeon HD 5450, and also will be able to handle higher resolutions more effectively. (explain)

Radeon R7 M260		5720 Mpixels/sec
Radeon HD 5450		2600 Mpixels/sec
	Difference: 3120 (120%)

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 max amount of information (measured in MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core 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 quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.