ENERGY STAR Partner |
Lenovo Group Limited |
Lenovo Group Limited |
Product Category |
Computers |
Computers |
Type |
Notebook |
Notebook |
Brand Name |
Lenovo |
Lenovo |
Model Name |
ThinkBook 14 2-in-1 G4 IML |
ThinkPad X1 Carbon Gen 12 |
Model Number |
21MX |
21KC |
Date Available On Market |
February 19, 2024 |
March 12, 2024 |
Date Certified |
January 2, 2024 |
March 12, 2024 |
Markets |
United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
CB Model Identifier |
ES_1037540_21MX_01022024164803_2009426 |
ES_1037540_21KC_03122024141926_3940732 |
Meets ENERGY STAR Most Efficient 2024 Criteria |
No |
No |
Fuel Type |
Notebook |
Notebook |
Touch Screen |
Yes |
Yes |
Notebooks, Desktops, Integrated Computers, Slate/Tablets, Two-in-one Notebooks, and Portable All-in-ones Category for TEC (Typical Energy Consumption) Criteria |
2 |
2 |
Category 2: Processor Brand |
Intel |
Intel |
Category 2: Processor Name |
Core Ultra 7 155U |
Core Ultra 7 165U |
Category 2: Operating System Name |
Windows 11 |
Windows 11 Pro |
Category 2: Base Processor Speed Per Core (GHz) |
2 |
1.7 |
Category 2: Physical CPU Cores (count) |
12 |
12 |
Category 2: System Memory (GB) |
32 |
64 |
Category 2: Default Low-power Mode |
ALPM |
N/A |
Category 2: Long Idle Power Used for Sleep Mode |
No |
No |
Category 2: Off Mode (watts) |
1 |
0.2 |
Category 2: Sleep Mode (watts) |
1 |
0.6 |
Category 2: Long Idle (watts) |
1 |
0.6 |
Category 2: Short Idle (watts) |
5 |
8.7 |
Category 2: Base TEC Allowance (kWh) |
14 |
14 |
Category 2: Functional Adder Allowances (kWh) |
23 |
29.9 |
Category 2: TEC of Model (kWh) |
19 |
25.8 |
Ethernet Capability |
No |
No |
Sleep Mode Default Time Upon Shipment (min.) |
5 |
5 |
Display Sleep Mode Default Time Upon Shipment (min.) |
3 |
3 |
Date Qualified |
January 2, 2024 |
March 12, 2024 |