2019-02-03 CPU性能比較 https://cpu.userbenchmark.com/Compare/Intel-Core-i7-2600-vs-Intel-Core-i5-4590/620vs2604 https://cpu.userbenchmark.com/Compare/Intel-Core-i7-2600-vs-AMD-Ryzen-5-2400G/620vsm433194めも、未検証