Intel Celeron 3855U vs Intel Pentium E5400

On the Atlas performance index the Intel Celeron 3855U is about 17% faster. They launched 6 years apart.

Intel Celeron 3855U35
Intel Pentium E540030
Intel Celeron 3855UIntel Pentium E5400
Released 2015 2009
Family Skylake-U Wolfdale-3M
Cores 2 2
Threads 2 –
Clock 1600 MHz 2700 MHz
Process – –
Power (TDP) 15 W 65 W
Launch price $107 –
Performance index 35 30

Green marks the better value in each row. Less power, a smaller process and a lower price count as better.

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