Radeon HD 3650 256MB vs Radeon R9 M375

Intro

Compare those specifications to the Radeon R9 M375, which has a core clock frequency of 1015 MHz and a DDR3 memory frequency of 1100 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M375 should in theory be a lot superior to the Radeon HD 3650 256MB overall. (explain)

Radeon R9 M375		35200 MB/sec
Radeon HD 3650 256MB		25600 MB/sec
	Difference: 9600 (38%)

Texel Rate

The Radeon R9 M375 should be a lot (approximately 600%) faster with regards to anisotropic filtering than the Radeon HD 3650 256MB. (explain)

Radeon R9 M375		40600 Mtexels/sec
Radeon HD 3650 256MB		5800 Mtexels/sec
	Difference: 34800 (600%)

Pixel Rate

The Radeon R9 M375 is much (approximately 460%) more effective at anti-aliasing than the Radeon HD 3650 256MB, and will be capable of handling higher resolutions more effectively. (explain)

Radeon R9 M375		16240 Mpixels/sec
Radeon HD 3650 256MB		2900 Mpixels/sec
	Difference: 13340 (460%)

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 maximum amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.