Lenovo Thinkbook 15 21DJA04LIH Laptop (12th Gen Core i5/ 16GB/ 512GB SSD/ Win11 Home)

Overview

Reviewed by Priyanka Singh · Senior Consumer-Tech Editor

The Lenovo Thinkbook 15 21DJA04LIH Laptop (12th Gen Core i5/ 16GB/ 512GB SSD/ Win11 Home) is Lenovo's take on a value-focused laptop, built around ram of 16 GB DDR4, display of 15.6 inches, resolution of 1920 x 1080 pixels.. For everyday work, study and light multitasking it should feel responsive. On the other side, heavy creators or gamers will want to check the graphics and thermals before committing. Below you'll find the full specifications, live prices across stores, our editor's verdict, and a quality-checked refurbished alternative that can get you the same specs for noticeably less. If you value getting more for your money, the refurbished route is worth a serious look before buying new.

Full Specifications

Price	₹ 49,990
RAM	16 GB DDR4
Display	15.6 inches
Series	Thinkbook 15
Model	21DJA04LIH
Utility	Everyday Use
Os	Windows 11 Home (64-bit)
Warranty	1 year Warranty
Type	FHD IPS
Touch	No
Resolution	1920 x 1080 pixels
Ppi	~ 141 PPI
Aspect Ratio	16:9
Anti Glare Screen	Yes
Features	100% sRGB Color Gamut, Contrast Ratio: 1200:1, 170° Viewing Angle
Ethernet	Yes
Wifi	Yes
Bluetooth	Yes
Usb Ports	2 x USB Type-C, 2 x USB 3.0
Hdmi	1 x HDMI Port
Card Reader	Yes
Microphone In	Yes
Headphone Jack	Yes
Input Camera	Yes
Input Keyboard Backlit	Yes
Input Touchpad	Yes
Input Inbuilt Microphone	Dual Array Microphone
Input Speakers	Stereo speakers
Input Optical Drive	No
Processor Processor	12th Gen Intel Core i5 1235U
Processor Speed	2 x 1.3 GHz (Turbo Speed upto 4.4 GHz) Performance Cores 8 x 900 MHz (Turbo Speed upto 3.3 GHz) Efficient Cores
Processor Cores	10 Cores (2P + 8E), 12 Threads
Processor Cache	12 MB
Processor Brand	Intel
Processor Series	Core i5
Processor Model	1235U
Processor Generation	12th Gen
Processor Process Node	10 nm
Graphics Gpu	Iris Xe Graphics
Graphics Brand	Intel
Ram Bus Speed	3200 MHz
Solid State Drive	512 GB SSD
Included Software	Microsoft Office Home & Student 2021
Sales Package	Laptop, Adapter & User Manuals
Input Sound	Dolby Audio
Battery Backup	Upto 6 hours
Thunderbolt	Yes
Maximum Ram Supported	Upto 40 GB
Device Type	Ultrabook
Fingerprint Sensor	Yes
Security Lock Port	Yes

Editor Verdict

4.0/5

Editorial rating

“A strong all-rounder that covers the essentials well; the refurbished option makes it even better value.”

Value for Money 4.5

Performance 4.5

Boot & App Speed 3.5

Display 4.0

Battery Backup 4.0

Build Quality 4.0

Priyanka Singh Senior Consumer-Tech Editor

Priyanka Singh has spent 8+ years reviewing consumer electronics in India, hands-on testing laptops, phones and TVs for real-world value. She focuses on what a device actually delivers for the price — and whether a refurbished unit is the smarter buy.

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How this model stacks up against nearby options

	Lenovo Thinkbook 15 21DJA04LIH Laptop (1... This model	LG Gram 16Z90P-G.AJ53A2 Laptop (11th Gen...	LG Gram 14Z990 Laptop (8th Gen Core i5/...
Processor	12th Gen Intel Core i5 1235U	11th Gen Intel Core i5 1135G7	8th Gen Intel Core i5 8265U
RAM	16 GB DDR4	8 GB LPDDR4X	8 GB DDR4
Storage	512 GB SSD	256 GB SSD	256 GB SSD
Display	15.6 inches	16 inches	14 inches
Graphics	Iris Xe Graphics	Intel Iris Xe Graphics	Intel UHD 620
OS	Windows 11 Home (64-bit)	Windows 10 Home (64-bit)	Windows 10 Home Basic (64-bit)