Infinix XBOOK B15 Series BL51A5 Laptop (AMD Ryzen 7 5825U/ 16GB/ 512GB SSD/ Win 11 Home)

Overview

Reviewed by Priyanka Singh · Senior Consumer-Tech Editor

The Infinix XBOOK B15 Series BL51A5 Laptop (AMD Ryzen 7 5825U/ 16GB/ 512GB SSD/ Win 11 Home) is Infinix'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	₹ 45,990
RAM	16 GB DDR4
Display	15.6 inches
Series	B15 Series
Model	BL51A5, XBOOK B15
Utility	Everyday Use, Performance
Device Type	Ultrabook
Os	Windows 11 Home (64-bit)
Dimensions	352.8 x 226.7 x 17.65 mm
Weight	1.59 kg
Warranty	Domestic Onsite Warranty On Laptop And 6 Months On Adapter
Type	IPS
Touch	No
Resolution	1920 x 1080 pixels
Ppi	~ 141 PPI
Aspect Ratio	16:9
Anti Glare Screen	Yes
Features	250nits peak brightness, COLOR GAMUT 45% NTSC
Ethernet	Yes
Wifi	IEEE 802.11 a/b/g/n/ac
Bluetooth	v5
Usb Ports	2 x USB Type-C, 2 x USB 3.0
Hdmi	1 x HDMI 1.4 Port
Micro Sd Card Reader	Yes
Microphone In	Yes
Headphone Jack	Yes
Input Camera	Yes, 2 MP
Input Keyboard	2 Level Brightness Adjustment, Yes
Input Keyboard Backlit	Yes
Input Touchpad	Yes
Input Inbuilt Microphone	Dual Mic
Input Speakers	DTS Audio Processing
Input Optical Drive	No
Processor Processor	5th Gen AMD Ryzen 7 5825U
Processor Speed	8 x 2 GHz (Turbo Speed upto 4.5 GHz) Cores
Processor Cores	Octa Core, 16 Threads
Processor Cache	16 MB
Processor Brand	AMD
Processor Series	Ryzen 7
Processor Model	5825U
Processor Generation	5th Gen
Graphics Gpu	AMD Radeon AMD
Graphics Brand	AMD
Solid State Drive	512 GB SSD
Ssd Interface	NVMe
Battery	50 Wh, 3 Cell Battery
Battery Backup	Upto 9 hours
Sales Package	Laptop, Power Adaptor, User Guide, Warranty Documents
Refresh Rate	60 Hz
Adapter Type	65W
Included Software	Infinix PC Connection
Input Sound	DTS Audio Processing
Ram Bus Speed	3200 MHz
Ram Slots	2
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

	Infinix XBOOK B15 Series BL51A5 Laptop (... This model	LG Gram 16Z90P-G.AJ53A2 Laptop (11th Gen...	AGB RA-0301 Gaming Laptop (7th Gen Ci7/...
Processor	5th Gen AMD Ryzen 7 5825U	11th Gen Intel Core i5 1135G7	Intel 7500U Core i7
RAM	16 GB DDR4	8 GB LPDDR4X	8 GB DDR4
Storage	512 GB SSD	256 GB SSD	128 GB SSD
Display	15.6 inches	16 inches	14 inches
Graphics	AMD Radeon AMD	Intel Iris Xe Graphics	Intel HD Graphics 620
OS	Windows 11 Home (64-bit)	Windows 10 Home (64-bit)	Windows 10 (64-bit)