| ENERGY STAR Partner |
| Lenovo Group Limited |
Lenovo Group Limited |
| Product Category |
| Computers |
Computers |
| Type |
| Notebook |
Notebook |
| Brand Name |
| Lenovo |
Lenovo |
| Model Name |
| IdeaPad 3 15IML05 |
ThinkPad X13 Gen 4 |
| Model Number |
| 81WB |
21EX |
| Additional Model Information |
| IdeaPad 15sIML 2020, IdeaPad 3 15IML05 D, IdeaPad 3 15IML05 U, Lenovo V15 G1 IML,81WR, |
ThinkPad X13 Gen 4 LTE1, ThinkPad X13 Gen 4 LTE2, ThinkPad X13 Gen 4 5G, ThinkPad X13 Yoga Gen 4, ThinkPad X13 Yoga Gen 4 LTE1, ThinkPad X13 Yoga Gen 4 LTE2,21EY, 21F2, 21F3, |
| Date Available On Market |
| January 4, 2021 |
April 27, 2023 |
| Date Certified |
| November 6, 2020 |
April 21, 2023 |
| Markets |
| United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
| CB Model Identifier |
| ES_1037540_81WB_01032020155856_9898186 |
ES_1037540_21EX_0131202311246I40_7349927 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| Fuel Type |
| Notebook |
Notebook |
| Touch Screen |
| No |
Yes |
| Notebooks, Desktops, Integrated Computers, Slate/Tablets, Two-in-one Notebooks, and Portable All-in-ones Category for TEC (Typical Energy Consumption) Criteria |
| 1 |
2,1 |
| Category 1: Processor Brand |
| Intel |
Intel |
| Category 1: Processor Name |
| Core i7 |
Core i3 |
| Category 1: Operating System Name |
| Windows 10 |
Ubuntu,Windows 10 |
| Category 1: Base Processor Speed Per Core (GHz) |
| 2 |
1.2 |
| Category 1: Physical CPU Cores (count) |
| 4 |
6 |
| Category 1: System Memory (GB) |
| 12 |
8 |
| Category 1: Default Low-power Mode |
| None |
Connected Sleep |
| Category 1: Long Idle Power Used for Sleep Mode |
| No |
Yes |
| Category 1: Off Mode (watts) |
| 0 |
0.2 |
| Category 1: Sleep Mode (watts) |
| 0 |
0.5 |
| Category 1: Long Idle (watts) |
| 3 |
0.5 |
| Category 1: Short Idle (watts) |
| 5 |
3.6 |
| Category 1: Base TEC Allowance (kWh) |
| 8 |
8 |
| Category 1: Functional Adder Allowances (kWh) |
| 17 |
12.8 |
| Category 1: TEC of Model (kWh) |
| 17 |
10.5 |
| Ethernet Capability |
| Yes |
No |
| Sleep Mode Default Time Upon Shipment (min.) |
| 30 |
5 |
| Display Sleep Mode Default Time Upon Shipment (min.) |
| 10 |
5 |
| WOL (Wake on LAN) From Sleep |
| Shipped Disabled |
Shipped Enabled When Operating on Ac Power Only |
| Date Qualified |
| November 6, 2020 |
April 21, 2023 |
