Business computersENERGY STAR certified
Lenovo TB520FU
24 GB slate/tablet computer.
Memory
24 GB
Typical electricity use
6.9 kWh/yr
NPU installed
No
Storage
Solid State Drive
Of 94 certified slate/tablet business computers, 30 have a lower typical electricity use than the TB520FU (6.9 kWh/yr).
Its certified typical electricity use of 6.9 kWh/yr costs about $0.90 a year at 13¢/kWh.
- Maker
- Lenovo
- Model
- TB520FU
- Type
- Slate/Tablet
- Memory
- 24 GB
- NPU installed
- No
- Storage
- Solid State Drive
- Screen
- 12.7 in
- Battery
- 39.1 Wh
- Operating system
- Android
- Marketed as a workstation
- No
- Typical electricity use
- 6.9 kWh/yr
- Power in sleep
- 0.4 W
- Power at long idle
- 0.4 W
- Power when off
- 0.4 W
- On the market since
- May 2024
- ENERGY STAR certified
- 10 Jun 2025
Source: ENERGY STAR certified business computers dataset, US EPA, record 4431319, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the TB520FU
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Microsoft Surface Pro 12" | Slate/Tablet | - | 24 GB | 8.8 kWh/yr |
| Microsoft Surface Pro 12" 2nd Edition | Slate/Tablet | - | 24 GB | 7.8 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 |