Business computersENERGY STAR certified
Lenovo (1) ThinkBook 14x ILL
32 GB notebook computer.
Memory
32 GB
Processor
Ultra 7 258V
Typical electricity use
12.6 kWh/yr
NPU installed
Yes
Of 980 certified notebook business computers, 416 have a lower typical electricity use than the (1) ThinkBook 14x ILL (12.6 kWh/yr).
Its certified typical electricity use of 12.6 kWh/yr costs about $1.64 a year at 13¢/kWh.
- Maker
- Lenovo
- Model
- (1) ThinkBook 14x ILL
- Type
- Notebook
- Processor
- Ultra 7 258V
- CPU cores
- 8
- Memory
- 32 GB
- NPU installed
- Yes
- Storage
- SDD
- Screen
- 14 in
- Battery
- 54.7 Wh
- Operating system
- Windows 11 Pro
- Marketed as a workstation
- No
- Typical electricity use
- 12.6 kWh/yr
- Power in sleep
- 0.4 W
- Power at long idle
- 0.4 W
- Power when off
- 0.2 W
- On the market since
- May 2026
- ENERGY STAR certified
- 17 Apr 2026
Certified under the same record
The maker lists these as the same machine or a variant of it: (2) ThinkBook X G3 ILL, (3) ZhaoYang X5 Air 14 ILL, (4) ZhaoYang Yue Air 14 ILL.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4586831, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the (1) ThinkBook 14x ILL
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 |
| HP OmniBook 7 Laptop AI ENERGY STAR | Notebook | Intel Ultra 9 285H | 32 GB | 16.4 kWh/yr |
| Acer N25H6*** | Notebook | lntel� Come "Ultra 9 285H | 32 GB | 12.7 kWh/yr |
| LG 15Z80T*-* | Notebook | AMD Ryzen AI7 350W | 32 GB | 14.6 kWh/yr |
| HP Pavilion Aero Laptop 13 ENERGY STAR | Notebook | Ryzen 7 | 32 GB | 11.9 kWh/yr |
| Acer N25H5*** | Notebook | lntel� Come "Ultra 9 285H | 32 GB | 13.4 kWh/yr |
Lenovo
More Lenovo business computers
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Lenovo V15 G7 Q7X | Notebook | C110100 | 16 GB | 8.2 kWh/yr |
| IdeaPad Slim 3 15Q7X11 | Notebook | C110100 | 16 GB | 7.8 kWh/yr |
| IdeaPad Slim 3 14Q7X11 | Notebook | C110100 | 16 GB | 8.2 kWh/yr |
| ThinkCentre M75s Gen 6 | Desktop | Ryzen 7 | 64 GB | 50.5 kWh/yr |
| ThinkCentre M75t Gen 6 | Desktop | Ryzen 7 | 64 GB | 53 kWh/yr |
| Yoga 9 2-in-1 16N1X11 | Notebook | NVIDIA RTX Spark N1X (6144-core GPU, 20-core CPU) | 64 GB | 21.2 kWh/yr |
| ThinkCentre M75q Gen 6 | Desktop | Ryzen 7 | 64 GB | 36 kWh/yr |
| Yoga Pro 9 15N1X11 | Notebook | NVIDIA RTX Spark N1x (6144-core GPU, 20-core CPU) | 128 GB | 23.4 kWh/yr |