Radeon HD 4850 X2 1GB vs Radeon RX 6600

Intro

Compare those specifications to the Radeon RX 6600, which uses a 7 nm design. AMD has set the core speed at 1626 MHz. The GDDR6 RAM is set to run at a speed of 1750 MHz on this particular card. It features 1792 SPUs along with 112 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600		132 Watts
Radeon HD 4850 X2 1GB		250 Watts
	Difference: 118 Watts (89%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6600 should in theory be a lot superior to the Radeon HD 4850 X2 1GB in general. (explain)

Radeon RX 6600		229376 MB/sec
Radeon HD 4850 X2 1GB		127104 MB/sec
	Difference: 102272 (80%)

Texel Rate

The Radeon RX 6600 should be much (about 264%) faster with regards to texture filtering than the Radeon HD 4850 X2 1GB. (explain)

Radeon RX 6600		182112 Mtexels/sec
Radeon HD 4850 X2 1GB		50000 Mtexels/sec
	Difference: 132112 (264%)

Pixel Rate

The Radeon RX 6600 should be a lot (approximately 420%) faster with regards to full screen anti-aliasing than the Radeon HD 4850 X2 1GB, and able to handle higher screen resolutions better. (explain)

Radeon RX 6600		104064 Mpixels/sec
Radeon HD 4850 X2 1GB		20000 Mpixels/sec
	Difference: 84064 (420%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the 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 that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of 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.