Skip to content

Business computersENERGY STAR certified

Panasonic FZ-40L******

16 GB notebook computer.

Memory

16 GB

Processor

Core Ultra 5, Core Ultra 7

Typical electricity use

12.4 kWh/yr

NPU installed

No

Of 980 certified notebook business computers, 397 have a lower typical electricity use than the FZ-40L****** (12.4 kWh/yr).

Its certified typical electricity use of 12.4 kWh/yr costs about $1.61 a year at 13¢/kWh.

Maker
Panasonic
Model
FZ-40L******
Type
Notebook
Processor
Core Ultra 5, Core Ultra 7
CPU cores
16
Memory
16 GB
NPU installed
No
Storage
SSD
Screen
14 in
Battery
44.2 Wh
Operating system
Windows 11
Marketed as a workstation
No
Typical electricity use
12.4 kWh/yr
Power in sleep
1.3 W
Power at long idle
1.4 W
Power when off
0.2 W
On the market since
Mar 2026
ENERGY STAR certified
30 Jan 2026

Certified under the same record

The maker lists these as the same machine or a variant of it: FZ-40J******, FZ40K******, FZ-40M******.

Source: ENERGY STAR certified business computers dataset, US EPA, record 4529032, data build 2026-09-29. Figures are as the maker certified them. How we use this data.

Other makers

Machines comparable to the FZ-40L******

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

ModelTypeProcessorMemoryTypical electricity use
Lenovo IdeaPad Duet 5 12IRU8NotebookRaptor Lake I7-1355U16 GB13.3 kWh/yr
Lenovo IdeaPad Pro 5 16IRH8NotebookI7-13700H16 GB13.1 kWh/yr
HP 16-agNotebookRyzen 716 GB12 kWh/yr
Lenovo IdeaPad Slim 3 14ITN9NotebookN35516 GB12.2 kWh/yr
Lenovo IdeaPad Slim 3 15ITN9NotebookN35516 GB6.3 kWh/yr
HP 14-emNotebookRyzen 716 GB11.2 kWh/yr

Panasonic

More Panasonic business computers

ModelTypeProcessorMemoryTypical electricity use
CF-FC7RGHMBMNotebookCore Ultra 516 GB6.5 kWh/yr
FZ-34D******Two-In-One NotebookCore Ultra 5, Core Ultra 764 GB10.7 kWh/yr
FZ-34B******Slate/Tablet-64 GB9.4 kWh/yr
FZ-56A******Ruggedized NotebookCore Ultra 5, Core Ultra 716 GB16.3 kWh/yr
CF-330******Two-In-One NotebookCore i5, Core i732 GB14.4 kWh/yr
CF-335******Two-In-One NotebookCore i5, Core i732 GB19.8 kWh/yr
FZ-55F******Ruggedized NotebookCore i5, Core i764 GB18.9 kWh/yr
CF-334******Slate/Tablet-32 GB17.2 kWh/yr

All Panasonic business computers