Panasonic computer, ENERGY STAR certified
Panasonic FZ-55J******
64 GB notebook computer.
Memory
64 GB
Processor
Core i5, Core i7
Typical electricity use
13.6 kWh/yr
NPU installed
No
Of 980 certified notebook business computers, 523 have a lower typical electricity use than the FZ-55J****** (13.6 kWh/yr).
Its certified typical electricity use of 13.6 kWh/yr costs about $1.77 a year at 13¢/kWh.
- Maker
- Panasonic
- Model
- FZ-55J******
- Type
- Notebook
- Processor
- Core i5, Core i7
- CPU cores
- 14
- Memory
- 64 GB
- NPU installed
- No
- Storage
- SSD
- Screen
- 14 in
- Battery
- 68 Wh
- Operating system
- Windows 10, Windows 11
- Marketed as a workstation
- No
- Typical electricity use
- 13.6 kWh/yr
- Power in sleep
- 1.1 W
- Power at long idle
- 1.1 W
- Power when off
- 0.2 W
- On the market since
- Jul 2025
- ENERGY STAR certified
- 30 Oct 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: FZ-55G******.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4513955, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the FZ-55J******
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| HP HSN-I62C-3 | Notebook | Core Ultra 7 | 64 GB | 10.6 kWh/yr |
| HP HSN-I62C | Notebook | Core Ultra 7 | 64 GB | 11 kWh/yr |
| HP HSN-I62C-6 | Notebook | Core Ultra 9 | 64 GB | 19.8 kWh/yr |
| HP HSN-I62C-4 | Notebook | Core Ultra 9 | 64 GB | 15.6 kWh/yr |
| HP HSN-Q38C-4 | Notebook | Core Ultra 7 | 64 GB | 19.1 kWh/yr |
| HP HSN-Q38C | Notebook | Core Ultra 7 | 64 GB | 19.3 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 |
| FZ-40L****** | Notebook | Core Ultra 5, Core Ultra 7 | 16 GB | 12.4 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 |