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Does it mean I cannot plug my current PSU in?
Will depend entirely on the model, but if it's a 600 G2 or 800 G2 then no, as they do NOT use a standard 24 pin PSU connector (they use 12 volt only PSUs to comply with stricter efficiency regulations)
Absolutely do it! Skylake had major IPC gains and it's a move from DDR3->DDR4.
I'd either buy the latest thing you can comfortably afford, or not bother.
Alder Lake boards will support Raptor Lake CPUs, so I'd buy a cheap Alder Lake CPU if I was building right now.
You could be another motherboard.
If you can afford to buy a motherboard you may as well buy a whole new platform. 10th gen i3 costs about the same as a 6700 is worth and performs the same or better
A second hand board for £30-40 or buy a whole new bundle?![]()
A 10105f can be bought for £75, less than the going rate to sell 6700 chips for. A brand new board to support it is around £80, meaning the cost to change is only around £15 more than your second hand board option whilst providing slightly better performance, other newer tech and features, and brand new warrantied parts.
https://www.cpubenchmark.net/compare/Intel-i7-6700-vs-Intel-i3-10105F/2598vs4175
This.In which case I’d say go for it. Any improvement is good, especially if it’s free!
I agree with some of the other comments, sell all the old kit and build a new system, upgrading to a slightly better system wouldn't be worth your time.
Personally, I would wait for end of 2022 for Zen 4 /AM5. This series will offer 8/16 cores, unlike Alder Lake and the Intel 13th generation (limited to 8 high performance cores plus additional lower power E-Cores).
But if not, cheap Alder Lake CPU (really depends how much you want to spend) + LGA1700 board, then upgrade to Raptor Lake later this year.
Intel's competitor to Zen 4 is Meteor Lake (14th generation), which is based on Intel's 7nm EUV process, which was delayed (originally 7nm CPUs were planned for 2022).