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.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Lenovo IdeaPad Duet 5 12IRU8 | Notebook | Raptor Lake I7-1355U | 16 GB | 13.3 kWh/yr |
| Lenovo IdeaPad Pro 5 16IRH8 | Notebook | I7-13700H | 16 GB | 13.1 kWh/yr |
| HP 16-ag | Notebook | Ryzen 7 | 16 GB | 12 kWh/yr |
| Lenovo IdeaPad Slim 3 14ITN9 | Notebook | N355 | 16 GB | 12.2 kWh/yr |
| Lenovo IdeaPad Slim 3 15ITN9 | Notebook | N355 | 16 GB | 6.3 kWh/yr |
| HP 14-em | Notebook | Ryzen 7 | 16 GB | 11.2 kWh/yr |
Panasonic
More Panasonic business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| CF-FC7RGHMBM | Notebook | Core Ultra 5 | 16 GB | 6.5 kWh/yr |
| FZ-34D****** | Two-In-One Notebook | Core Ultra 5, Core Ultra 7 | 64 GB | 10.7 kWh/yr |
| FZ-34B****** | Slate/Tablet | - | 64 GB | 9.4 kWh/yr |
| FZ-56A****** | Ruggedized Notebook | Core Ultra 5, Core Ultra 7 | 16 GB | 16.3 kWh/yr |
| CF-330****** | Two-In-One Notebook | Core i5, Core i7 | 32 GB | 14.4 kWh/yr |
| CF-335****** | Two-In-One Notebook | Core i5, Core i7 | 32 GB | 19.8 kWh/yr |
| FZ-55F****** | Ruggedized Notebook | Core i5, Core i7 | 64 GB | 18.9 kWh/yr |
| CF-334****** | Slate/Tablet | - | 32 GB | 17.2 kWh/yr |