L
#52
Lenovo ThinkPad X12 Detachable Gen 2
Best for: Official TEC 9.1 kWh, official sleep 0.5 W
8.9/10
What we like
- Official ENERGY STAR record lists a TEC of 9.1 kWh.
- Official ENERGY STAR record lists sleep-mode power of 0.5 W.
Watch out for
- Official TEC is a certified laboratory annual-energy figure for this configuration, not a utility bill we measured.
Score breakdown
| Official TEC | 9.1 kWh |
|---|---|
| Official sleep power | 0.5 W |
| Official short-idle power | 3.5 W |
| Official ENERGY STAR unique ID | 4,480,867 |
| Official model name | ThinkPad X12 Detachable Gen 2 |
| Official model number | 21LK |
| Official product type | Notebook |
| Official TEC | 9.1 kWh |
| Official sleep mode power | 0.5 W |
| Official short-idle power | 3.5 W |
| Official long-idle power | 0.5 W |
| Official off-mode power | 0.2 W |
| Official system memory | 32 GB |
| Official CPU cores | 12 |
| Official processor brand | Intel |
| Official processor name | Core Ultra 7 164U |
| Official CPU base clock | 1.1 GHz |
| Official storage technology | SDD |
| Official ENERGY STAR date certified | 2025-07-30T00:00:00.000 |
| Official battery capacity | 42 Wh |
| Official integrated display size | 12.3 in |
| Official integrated display resolution | 2.46 MP |
| Official touch screen | Yes |
| Official 'marketed as a workstation' | No |
| Official external power supply rating | 65 W |
| Price | Check price |