The best replacement for cpu is gpu.

The best alternatives to cpu are rated as following:
★★★★★  gpu
★★★  ram
★★★  core
★★  processor
★★  cpu
★★  memory
★★  apu
★  gpu mining
★  gpu for gaming
★  motherboard
★  gpu bottleneck
★  microprocessor
★  intel cpu
★  amd cpu
  gpu gaming
  gpu rendering
  ecu
  core temp
  central processing unit
  video card
  vcpu
  hard drive
  psu
  gpu for rendering
  graphics card
  motherboard dead
  single core
  amd
  gpu mythbusters
  intel
  single cpu
  desktop cpu
  ken
  cpk
  human brain
  gpgpu
  more memory
  gpu upgrade
  desktop
  psu oracle
  mcu
  socket

Your alternative for cpu is not listed? Suggest!
Speaking about cpu, one probably shouldn't forget about thermal paste.

Other search terms related to cpu and their ratings are:
★★★★★ thermal paste
★★★★ gpu
★★★★ monitor
★★★★ motherboard
★ bios
★ thermal compound
overclocking memory
nvidia gpu
You have in mind a companion for cpu and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of cpu in all years. Click on graph for more.
cpu
gpu
ram