ENERGY STAR Partner |
Lenovo Group Limited |
Lenovo Group Limited |
Product Category |
Computers |
Computers |
Type |
Notebook |
Notebook |
Brand Name |
Lenovo |
Lenovo |
Model Name |
Lenovo Yoga C940-15IRH |
ThinkPad Z16 Gen 2 |
Model Number |
81TE |
21JX |
Date Available On Market |
September 6, 2019 |
November 17, 2022 |
Date Certified |
April 13, 2020 |
December 13, 2023 |
Markets |
United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
CB Model Identifier |
ES_1037540_81TE_04142020092458_7818727 |
ES_1037540_21JX_12132023122431I55_7349927 |
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 |
AMD |
Category 2: Processor Name |
Core i9-9980H |
Ryzen 9 |
Category 2: Operating System Name |
Windows 10 |
,Windows 10, Windows 11 |
Category 2: Base Processor Speed Per Core (GHz) |
2 |
4 |
Category 2: Physical CPU Cores (count) |
8 |
8 |
Category 2: System Memory (GB) |
16 |
64 |
Category 2: Default Low-power Mode |
Sleep Mode |
Off Mode with Hibernation |
Category 2: Long Idle Power Used for Sleep Mode |
No |
Yes |
Category 2: Off Mode (watts) |
0 |
0.3 |
Category 2: Sleep Mode (watts) |
2 |
0.6 |
Category 2: Long Idle (watts) |
2 |
0.6 |
Category 2: Short Idle (watts) |
8 |
7.5 |
Category 2: Base TEC Allowance (kWh) |
14 |
14 |
Category 2: Functional Adder Allowances (kWh) |
24 |
39.6 |
Category 2: TEC of Model (kWh) |
31 |
20.1 |
Ethernet Capability |
No |
No |
Sleep Mode Default Time Upon Shipment (min.) |
10 |
5 |
Display Sleep Mode Default Time Upon Shipment (min.) |
10 |
5 |
Will the Speed of Any Active 1 GB/s or Higher Ethernet Network Links be Reduced to Less Than 1 GB/s When Transitioning to Sleep or Off Mode? |
No |
Yes |
Date Qualified |
April 13, 2020 |
December 13, 2023 |