Lenovo computer, ENERGY STAR certified
Lenovo TB321FU
16 GB slate/tablet computer.
Memory
16 GB
Typical electricity use
5.7 kWh/yr
NPU installed
No
Storage
Solid State Drive
Of 94 certified slate/tablet business computers, 19 have a lower typical electricity use than the TB321FU (5.7 kWh/yr).
Its certified typical electricity use of 5.7 kWh/yr costs about $0.74 a year at 13¢/kWh.
- Maker
- Lenovo
- Model
- TB321FU
- Type
- Slate/Tablet
- Memory
- 16 GB
- NPU installed
- No
- Storage
- Solid State Drive
- Screen
- 8.8 in
- Battery
- 25 Wh
- Operating system
- Android
- Marketed as a workstation
- No
- Typical electricity use
- 5.7 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 4431325, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the TB321FU
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| GETAC K120 | Slate/Tablet | - | 16 GB | 18.7 kWh/yr |
| HP Engage Go 10 Mobile System (ENERGY STAR) | Slate/Tablet | - | 16 GB | 13.2 kWh/yr |
| HP HSC-I006R | Slate/Tablet | - | 16 GB | 15.5 kWh/yr |
| Apple iPad Pro 11" | Slate/Tablet | - | 16 GB | 8.4 kWh/yr |
| Zebra ET8xx | Slate/Tablet | - | 16 GB | 16.7 kWh/yr |
| Panasonic FZ-G2N****** | Slate/Tablet | - | 16 GB | 12.7 kWh/yr |
Lenovo
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| ThinkCentre M75s Gen 6 | Desktop | Ryzen 7 | 64 GB | 50.5 kWh/yr |
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| Yoga Pro 9 15N1X11 | Notebook | NVIDIA RTX Spark N1x (6144-core GPU, 20-core CPU) | 128 GB | 23.4 kWh/yr |