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Business computersENERGY STAR certified

Durabook S15

64 GB ruggedized notebook computer.

Memory

64 GB

Processor

Core i5

Typical electricity use

20.3 kWh/yr

NPU installed

No

Of 8 certified ruggedized notebook business computers, 6 have a lower typical electricity use than the S15 (20.3 kWh/yr).

Its certified typical electricity use of 20.3 kWh/yr costs about $2.64 a year at 13¢/kWh.

Maker
Durabook
Model
S15
Type
Ruggedized Notebook
Processor
Core i5
CPU cores
10
Memory
64 GB
NPU installed
No
Storage
SDD
Screen
15.6 in
Battery
56.2 Wh
Operating system
Windows 11
Marketed as a workstation
No
Typical electricity use
20.3 kWh/yr
Power in sleep
1.6 W
Power at long idle
1.6 W
Power when off
0.2 W
On the market since
Aug 2023
ENERGY STAR certified
8 Sep 2025

Source: ENERGY STAR certified business computers dataset, US EPA, record 4498443, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the S15

Certified business computers from other makers, same color class, within 20% of its speed.

ModelTypeProcessorMemoryTypical electricity use
DELL P148GRuggedized NotebookCore Ultra 764 GB18.7 kWh/yr
Panasonic FZ-55F******Ruggedized NotebookCore i5, Core i764 GB18.9 kWh/yr
DELL P149GRuggedized NotebookCore Ultra X764 GB12.2 kWh/yr
DELL P211GRuggedized NotebookCore Ultra 764 GB14.1 kWh/yr

Durabook

More Durabook business computers

ModelTypeProcessorMemoryTypical electricity use
R10Slate/Tablet-32 GB14.7 kWh/yr
U11Slate/Tablet-32 GB15.2 kWh/yr
S14IRuggedized NotebookCore Ultra 564 GB20.1 kWh/yr
Z14IRuggedized NotebookCore Ultra 564 GB23.5 kWh/yr
R11Slate/Tablet-32 GB13.6 kWh/yr
R8Slate/Tablet-8 GB10.1 kWh/yr

All Durabook business computers