Radeon HD 4350 vs Radeon R9 M390X

Intro

Compare that to the Radeon R9 M390X, which features a GPU core clock speed of 723 MHz, and 4096 MB of GDDR5 RAM set to run at 1250 MHz through a 256-bit bus. It also features 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4350		22 Watts
Radeon R9 M390X		125 Watts
	Difference: 103 Watts (468%)

Memory Bandwidth

In theory, the Radeon R9 M390X should be 1900% faster than the Radeon HD 4350 in general, because of its higher data rate. (explain)

Radeon R9 M390X		160000 MB/sec
Radeon HD 4350		8000 MB/sec
	Difference: 152000 (1900%)

Texel Rate

The Radeon R9 M390X is a lot (approximately 1912%) faster with regards to texture filtering than the Radeon HD 4350. (explain)

Radeon R9 M390X		92544 Mtexels/sec
Radeon HD 4350		4600 Mtexels/sec
	Difference: 87944 (1912%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 M390X is the winner, and very much so. (explain)

Radeon R9 M390X		23136 Mpixels/sec
Radeon HD 4350		2300 Mpixels/sec
	Difference: 20836 (906%)

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 maximum amount of information (counted in MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once 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 anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.