upgrade

[rondo64]

I am wanting to know what CPU I would need to upgrade my desktop. 

[NonSequitur777]

@rondo64,

Welcome to our HP User Forum!

I would be happy to advise, please provide your HP desktop model.

Kind Regards,

NonSequitur777

[Prométhée]

have you changed your computer?
because if not, we have already answered this answer!
according to the product page you already have the most powerful compatible processor indicated

https://support.hp.com/us-en/product/hp-pavilion-570-p000-desktop-pc-series/13823514/model/16842092/...

Intel Core i7-7700

Lubin motherboard specifications.

• TDP: Up to 65 W
• Socket type: LGA 1151
• Motherboard supports the following processor upgrades:

  Processor	TDP	Integrated Graphics
  Intel Core i7-7700T (Kabylake) 2.9 GHz Quad Core (only with Slimline chassis)	35 W	Intel HD Graphics 630
  Intel Core i7-7700 (Kabylake) 3.6 GHz Quad Core	65 W	Intel HD Graphics 630
  Intel Core i5-7400T (Kabylake) 2.4 GHz Quad Core (only with Slimline chassis)	35 W	Intel HD Graphics 630
  Intel Core i5-7400 (Kabylake) 3.0 GHz Quad Core	65 W	Intel HD Graphics 630
  Intel Core i3-7100T (Kabylake) 3.4 GHz Dual Core (only with Slimline chassis)	35 W	Intel HD Graphics 630
  Intel Core i3-7100 (Kabylake) 3.9 GHz Dual Core	51 W	Intel HD Graphics 630
  Intel Pentium G4560T (Kabylake) 2.9 GHz Dual Core (only with Slimline chassis)	35 W	Intel HD Graphics 610
  Intel Pentium G4560 (Kabylake) 3.5 GHz Dual Core	54 W	Intel HD Graphics 610
  Intel Celeron G3930 (Kabylake) 2.9 GHz Dual Core	51 W	Intel HD Graphics 610
  Intel Core i3-6100 (Skylake) 3.7 GHz Dual Core	51 W	Intel HD Graphics 530
  Intel Pentium G4400 (Skylake) 3.3 GHz Dual Core	54 W	Intel HD Graphics 510
  Intel Celeron G3900 (Skylake) 2.8 GHz Dual Core	65 W	Intel HD Graphics 510

chipset h270 tdp 65w
lga 1151
in theory you could install a processor, with the same characteristics, h270 compatibility list here

https://www.intel.com/content/www/us/en/products/sku/98090/intel-h270-chipset/compatible.html

and obviously nothing better
The problem on this model being mainly the graphics card!!

NVIDIA GeForce GT 730

and only

Internal 180 W PSU

Release date

28-Apr-2017

may not be worth wasting your money on this old computer, not very upgradeable