dynabook computer, ENERGY STAR certified
Dynabook Chromebook C11
4 GB two-in-one notebook computer.
Memory
4 GB
Processor
MT8186
Typical electricity use
7.5 kWh/yr
NPU installed
No
Of 9 certified two-in-one notebook business computers, 0 have a lower typical electricity use than the Dynabook Chromebook C11 (7.5 kWh/yr).
Its certified typical electricity use of 7.5 kWh/yr costs about $0.98 a year at 13¢/kWh.
- Maker
- dynabook
- Model
- Dynabook Chromebook C11
- Type
- Two-In-One Notebook
- Processor
- MT8186
- CPU cores
- 8
- Memory
- 4 GB
- NPU installed
- No
- Storage
- eMMC
- Screen
- 11.6 in
- Battery
- 35 Wh
- Operating system
- Chrome OS
- Marketed as a workstation
- No
- Typical electricity use
- 7.5 kWh/yr
- Power in sleep
- 0.3 W
- Power at long idle
- 0.7 W
- Power when off
- 0.1 W
- On the market since
- Dec 2025
- ENERGY STAR certified
- 8 Dec 2025
Source: ENERGY STAR certified business computers dataset, US EPA, record 4517932, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
dynabook
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| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| PORTEGE E40L-Q | Notebook | Core 7 360 | 32 GB | 9.9 kWh/yr |
| TECRA A60-P | Notebook | Core Ultra 7 365 | 64 GB | 12.1 kWh/yr |
| TECRA A40-P | Notebook | Core Ultra 7 365 | 64 GB | 11.5 kWh/yr |
| PORTEGE Z40L-P | Notebook | Core Ultra X9 388H | 64 GB | 10.3 kWh/yr |
| PORTEGE X30L-P | Notebook | Core Ultra 7 | 64 GB | 9.9 kWh/yr |
| PORTEGE X45W-M | Notebook | Ryzen 7 Pro 250 | 64 GB | 19.4 kWh/yr |
| SATELLITE PRO C50-K | Notebook | Core i3 | 32 GB | 17.6 kWh/yr |
| SATELLITE PRO C30-K | Notebook | Core i3, Core i7 | 32 GB | 13.3 kWh/yr |