Compare Lenovo – 81WB vs Lenovo – 21FG Specifications

81WB 21FG
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 L13 Gen 4
Model Number
81WB 21FG
Additional Model Information
IdeaPad 15sIML 2020, IdeaPad 3 15IML05 D, IdeaPad 3 15IML05 U, Lenovo V15 G1 IML,81WR, ,21FL,; ,21FM,; ThinkPad L13 Yoga Gen 4,21FH,; ThinkPad S2 Gen 8,21FJ,; ThinkPad S2 Yoga Gen 8,21FK,
Date Available On Market
January 4, 2021 April 20, 2023
Date Certified
November 6, 2020 April 11, 2023
Markets
United States, Switzerland, Taiwan, Japan, Canada United States, Switzerland, Taiwan, Japan, Canada
CB Model Identifier
ES_1037540_81WB_01032020155856_9898186 ES_1037540_1 21FG_04112023140018_3490018
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 Windows 11 Pro
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 ALPM
Category 1: Long Idle Power Used for Sleep Mode
No No
Category 1: Off Mode (watts)
0 0.3
Category 1: Sleep Mode (watts)
0 0.4
Category 1: Long Idle (watts)
3 0.4
Category 1: Short Idle (watts)
5 2.8
Category 1: Base TEC Allowance (kWh)
8 8
Category 1: Functional Adder Allowances (kWh)
17 12.9
Category 1: TEC of Model (kWh)
17 8.7
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 N/A
Date Qualified
November 6, 2020 April 11, 2023

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