Radeon HD 6450 (OEM) vs Radeon RX 5600

Intro

Compare those specifications to the Radeon RX 5600, which makes use of a 7 nm design. AMD has clocked the core frequency at 1375 MHz. The GDDR6 RAM runs at a frequency of 1500 MHz on this model. It features 2048 SPUs along with 128 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM)		31 Watts
Radeon RX 5600		150 Watts
	Difference: 119 Watts (384%)

Memory Bandwidth

As far as performance goes, the Radeon RX 5600 should in theory be quite a bit superior to the Radeon HD 6450 (OEM) in general. (explain)

Radeon RX 5600		294912 MB/sec
Radeon HD 6450 (OEM)		12800 MB/sec
	Difference: 282112 (2204%)

Texel Rate

The Radeon RX 5600 should be a lot (approximately 3420%) more effective at texture filtering than the Radeon HD 6450 (OEM). (explain)

Radeon RX 5600		176000 Mtexels/sec
Radeon HD 6450 (OEM)		5000 Mtexels/sec
	Difference: 171000 (3420%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 5600 is a better choice, and very much so. (explain)

Radeon RX 5600		88000 Mpixels/sec
Radeon HD 6450 (OEM)		2500 Mpixels/sec
	Difference: 85500 (3420%)

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 in one second. The number is calculated by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total texture units of the card 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out 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 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 potential to get to the max fill rate.