LG computer, ENERGY STAR certified
LG 17Z*90U*
16 GB notebook computer, model number 17Z90U-*.*******.
Memory
16 GB
Processor
Intel� Core" / Ultra 7 355(3.30Ghz)
Typical electricity use
13.7 kWh/yr
NPU installed
No
Of 980 certified notebook business computers, 529 have a lower typical electricity use than the 17Z*90U* (13.7 kWh/yr).
Its certified typical electricity use of 13.7 kWh/yr costs about $1.78 a year at 13¢/kWh.
- Maker
- LG
- Model
- 17Z*90U*
- Model number
- 17Z90U-*.*******
- Type
- Notebook
- Processor
- Intel� Core" / Ultra 7 355(3.30Ghz)
- CPU cores
- 16
- Memory
- 16 GB
- NPU installed
- No
- Storage
- SDD
- Screen
- 17 in
- Battery
- 77 Wh
- Operating system
- Windows 11 Home
- Marketed as a workstation
- No
- Typical electricity use
- 13.7 kWh/yr
- Power in sleep
- 0.9 W
- Power at long idle
- 0.9 W
- Power when off
- 0.1 W
- On the market since
- Jan 2026
- ENERGY STAR certified
- 25 Dec 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: * may be 0-9, A-Z or blank according to color of stand or enclosure.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4519451, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the 17Z*90U*
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 |
LG
More LG business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| 16Z*95U* | Notebook | AMD Ryzen AI 7 450 w/ Radeon 860M | 32 GB | 18.4 kWh/yr |
| 16U55U*-* | Notebook | Ryzen AI 7 445w | 32 GB | 12.6 kWh/yr |
| 15Z*90U**-* | Notebook | Ultra 7 355 | 32 GB | 11.6 kWh/yr |
| 14Z*90U**-* | Notebook | Ultra 7 355 | 32 GB | 9.4 kWh/yr |
| 15Z*95U**-* | Notebook | Ryzen AI 7 450w | 32 GB | 8.7 kWh/yr |
| 14Z*95U**-* | Notebook | Ryzen AI 7 450w | 32 GB | 8.3 kWh/yr |
| 17Z*90UR* | Notebook | Intel� Core" / Ultra 9 386H | 32 GB | 16 kWh/yr |
| 16Z*90U* | Notebook | Intel� Core" / Ultra X7 358H | 32 GB | 16.7 kWh/yr |