Business computersENERGY STAR certified
ASUS UX3405C
32 GB notebook computer.
Memory
32 GB
Processor
Core Ultra 9
Typical electricity use
13.8 kWh/yr
NPU installed
Yes
Of 980 certified notebook business computers, 539 have a lower typical electricity use than the UX3405C (13.8 kWh/yr).
Its certified typical electricity use of 13.8 kWh/yr costs about $1.79 a year at 13¢/kWh.
- Maker
- ASUS
- Model
- UX3405C
- Type
- Notebook
- Processor
- Core Ultra 9
- CPU cores
- 16
- Memory
- 32 GB
- NPU installed
- Yes
- Storage
- SSD
- Screen
- 14 in
- Battery
- 75 Wh
- Operating system
- Windows 11 Pro
- Marketed as a workstation
- No
- Typical electricity use
- 13.8 kWh/yr
- Power in sleep
- 0.8 W
- Power at long idle
- 0.8 W
- Power when off
- 0.4 W
- On the market since
- Jan 2025
- ENERGY STAR certified
- 19 Jun 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: BX3405C, RX3405C.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4439077, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the UX3405C
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| HP 16-af | Notebook | Core Ultra 7 | 32 GB | 14.2 kWh/yr |
| Lenovo ThinkBook 16 G7 QOY | Notebook | X126100 | 32 GB | 10.3 kWh/yr |
| Lenovo ThinkBook 16 G7+ AHP | Notebook | Ryzen 7 | 32 GB | 18.5 kWh/yr |
| Lenovo ThinkBook 14 G7+ AHP | Notebook | Ryzen 7 | 32 GB | 16.4 kWh/yr |
| Lenovo IdeaPad Slim 3 15Q8X10 | Notebook | X1P42100 | 32 GB | 13.4 kWh/yr |
| HP OmniBook 7 Laptop AI ENERGY STAR | Notebook | Intel Ultra 9 285H | 32 GB | 16.4 kWh/yr |
ASUS
More ASUS business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| X1652D | Notebook | Ryzen 5 | 16 GB | 12.7 kWh/yr |
| M1605U | Notebook | Ryzen 7 | 24 GB | 10.8 kWh/yr |
| A7406CMA | Notebook | Core 7 | 16 GB | 10 kWh/yr |
| M1502U | Notebook | Ryzen 7 | 24 GB | 11.4 kWh/yr |
| M1405U | Notebook | Ryzen 7 | 16 GB | 11.2 kWh/yr |
| B3406CMA | Notebook | Core 7 | 32 GB | 9.9 kWh/yr |
| B3606CMA | Notebook | Core 7 | 32 GB | 8.3 kWh/yr |
| V3607U | Notebook | Ryzen 7 | 32 GB | 15.4 kWh/yr |