Compare Lenovo – 81WB vs Lenovo – 21JK Specifications

81WB 21JK
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 E14 Gen 5
Model Number
81WB 21JK
Additional Model Information
IdeaPad 15sIML 2020, IdeaPad 3 15IML05 D, IdeaPad 3 15IML05 U, Lenovo V15 G1 IML,81WR, ,21JM,; ThinkPad R14 Gen 5,21JL,
Date Available On Market
January 4, 2021 April 27, 2023
Date Certified
November 6, 2020 March 13, 2023
Markets
United States, Switzerland, Taiwan, Japan, Canada United States, Switzerland, Taiwan, Japan, Canada
CB Model Identifier
ES_1037540_81WB_01032020155856_9898186 ES_1037540_21JK_03132023162008_8637661
Meets ENERGY STAR Most Efficient 2024 Criteria
No No
Fuel Type
Notebook Notebook
Touch Screen
No No
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 Intel i3-1315U
Category 1: Operating System Name
Windows 10 Linux
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 48
Category 1: Default Low-power Mode
None N/A
Category 1: Long Idle Power Used for Sleep Mode
No No
Category 1: Off Mode (watts)
0 0.4
Category 1: Sleep Mode (watts)
0 0.6
Category 1: Long Idle (watts)
3 0.6
Category 1: Short Idle (watts)
5 5.2
Category 1: Base TEC Allowance (kWh)
8 8
Category 1: Functional Adder Allowances (kWh)
17 28.5
Category 1: TEC of Model (kWh)
17 14.8
Ethernet Capability
Yes Yes
Sleep Mode Default Time Upon Shipment (min.)
30 20
Display Sleep Mode Default Time Upon Shipment (min.)
10 5
WOL (Wake on LAN) From Sleep
Shipped Disabled N/A
Date Qualified
November 6, 2020 March 13, 2023

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