CPU-World might be a bit more popular than Versus. We know about 1 link to it since March 2021 and only 1 link to Versus. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I tend to just type say RTX 3070ti vs RX 6800 XT as an example into google, I see UB and skip but https://versus.com/en seems to do the job. Source: almost 2 years ago
You can look up the supported instructions for each model at cpu-world.com or install and use cpuid2cpuflags https://packages.gentoo.org/packages/app-portage/cpuid2cpuflags to compare them. As long as the older one doesn't have something that the newer one doesn't it should be OK. Source: over 2 years ago
Productz.com - Crowdsourced products database
PassMark CPU Benchmarks - Over 600,000 CPUs and 1,000 models benchmarked and compared in graph form, updated daily!
NanoReview - Most advanced CPU and SoC comparison
Kimovil - Compare price, specs, reviews and benchmarks for smartphones and tablets.
GSMArena - GSMArena is an online site that offers exhaustive and up and coming cell phone data.
CNET - CNET is a website that provides you with the latest tech news and tech reviews. The homepage of the website is a huge feed of the latest tech stories that would take you hours to sort through. Read more about CNET.