GeForce RTX 3060 vs Radeon HD 7850

Intro

Compare those specifications to the Radeon HD 7850, which features GPU clock speed of 860 MHz, and 2048 MB of GDDR5 memory set to run at 1200 MHz through a 256-bit bus. It also features 1024 Stream Processors, 64 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7850		130 Watts
GeForce RTX 3060		170 Watts
	Difference: 40 Watts (31%)

Memory Bandwidth

The GeForce RTX 3060 should theoretically be a lot faster than the Radeon HD 7850 in general. (explain)

GeForce RTX 3060		368640 MB/sec
Radeon HD 7850		153600 MB/sec
	Difference: 215040 (140%)

Texel Rate

The GeForce RTX 3060 will be a lot (about 169%) faster with regards to texture filtering than the Radeon HD 7850. (explain)

GeForce RTX 3060		147840 Mtexels/sec
Radeon HD 7850		55040 Mtexels/sec
	Difference: 92800 (169%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce RTX 3060 is the winner, by a large margin. (explain)

GeForce RTX 3060		63360 Mpixels/sec
Radeon HD 7850		27520 Mpixels/sec
	Difference: 35840 (130%)

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 largest amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number 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 is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.