Compare Lenovo – 81WB vs Lenovo – 20WK Specifications

81WB 20WK
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 2
Model Number
81WB 20WK
Additional Model Information
IdeaPad 15sIML 2020, IdeaPad 3 15IML05 D, IdeaPad 3 15IML05 U, Lenovo V15 G1 IML,81WR, ThinkPad X13 Gen 2 HPD, ThinkPad X13 Gen 2 LTE1, ThinkPad X13 Gen 2 LTE2, ThinkPad X13 Gen 2 5G, ThinkPad X13 Gen 2 LTE1 HPD, ThinkPad X13 Gen 2 LTE2 HPD, ThinkPad X13 Gen 2 5G HPD, VersaPro Type VB, LAVIE Direct PM(X),20WL,
Date Available On Market
January 4, 2021 March 12, 2021
Date Certified
November 6, 2020 December 31, 2020
Markets
United States, Switzerland, Taiwan, Japan, Canada United States, Switzerland, Taiwan, Japan, Canada
CB Model Identifier
ES_1037540_81WB_01032020155856_9898186 ES_1037540_20WK_01052021172450I43_3606062
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 10
Category 1: Base Processor Speed Per Core (GHz)
2 3
Category 1: Physical CPU Cores (count)
4 2
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 0.3
Category 1: Sleep Mode (watts)
0 1.1
Category 1: Long Idle (watts)
3 1.1
Category 1: Short Idle (watts)
5 3.4
Category 1: Base TEC Allowance (kWh)
8 8
Category 1: Functional Adder Allowances (kWh)
17 12.9
Category 1: TEC of Model (kWh)
17 13
Ethernet Capability
Yes Yes
Sleep Mode Default Time Upon Shipment (min.)
30 10
Display Sleep Mode Default Time Upon Shipment (min.)
10 10
WOL (Wake on LAN) From Sleep
Shipped Disabled Shipped Enabled When Operating on Ac Power Only
Date Qualified
November 6, 2020 December 31, 2020

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