Lenovo ThinkBook 15 Gen 4

LaptopMedia.com Laptop Specs Lenovo ThinkBook 15 Gen 4 (Intel) Lenovo ThinkBook 15 Gen 4

Date Published: 23 Nov 2025

Intel Core i7-1255U
Intel Iris Xe Graphics G7 (96EU)
15.6”, Full HD (1920 x 1080), IPS
1000GB SSD
40GB RAM
1.70 kg (3.7 lbs)

TOTAL SCORE

7.4 Portability Very Good

7.0 Display Very Good

6.1 For Work Good

3.7 For Gaming Mediocre

Best Prices Specs Review Display For Work For Gaming

Lenovo ThinkBook 15 Gen 4

$1279^.00 $1219^.99

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Specs

Display
15.6”, Full HD (1920 x 1080), IPS

HDD/SSD
1000GB SSD

M.2 Slot
2x 2280 PCIe NVMe 4.0 x4 See photo

RAM
40GB RAM

OS
Windows 11 Pro

Body Material
Plastic / Polycarbonate, Aluminum

Dimensions
357 x 235 x 18.9 mm (14.06" x 9.25" x 0.74")

Weight
1.70 kg (3.7 lbs)

Ports and connectivity

1x USB Type-A
3.2 Gen 1 (5 Gbps)

1x USB Type-A
3.2 Gen 1 (5 Gbps), Sleep and Charge

1x USB Type-C
3.2 Gen 2 (10 Gbps), Power Delivery (PD), DisplayPort

1x USB Type-C
4.0, Thunderbolt 4, Power Delivery (PD), DisplayPort

HDMI
2.0

Card Reader
SD, SDHC, SDXC, MMC

Ethernet LAN
10, 100, 1000 Mbit/s

Wi-Fi
802.11ax

Bluetooth
5.2

Audio jack
3.5mm Combo Jack

Features

Fingerprint reader

Web camera
HD / FHD

Backlit keyboard

Microphone
Dual Array Microphone with AI Noise Cancellation, switchable audio modes

Speakers
2x 2W Stereo Speakers, Dolby Audio

Security Lock slot
Kensington Nano Lock

Gifts
WOWPC OS Recovery USB

Portability

Lenovo ThinkBook 15 Gen 4 (Intel)

14.06" x 9.25" x 0.74" Dimensions

1.70 kg (3.7 lbs) Weight

Average 15.6-inch laptop

2.03 kg (4.5 lbs) +19% Weight

Review

Lenovo ThinkBook 15 Gen 4 in-depth review

One of the youngest members of the Lenovo laptop family, the ThinkBook is here to get a certain group of people. Those, who need a secure business notebook, but have a foul opinion of the ThinkPad series. Those, who are repulsed by its "dated" look. A feature that has actually given it a huge fan group.Well, on the bright side, the ThinkBook looks really sleek. Sharp lines and a two-tone Grey finish make the ThinkBook 15 Gen 4 a lot more appealing. However, looks would be meaningless if the laptop doesn't perform up to the task.This is why you get a choice of Alder Lake processors. If you need a more efficient machine, that will be quiet and will still deliver a decent amount of performance, then the U-series will be fine. However, if you need the grunt of a P-series processor and[...]

Read the full review

Pros

Adequate price tag
1x SODIMM + 2x M.2 PCIe x4 Gen 4 slots
Thunderbolt 4 and Wi-Fi 6 connections + SD card reader on board
The power button is equipped with an optional fingerprint reader
Sustains the larger 28W power limit
Doesn't use PWM for brightness adjustment (LEN156FHD (LEN9052))
It has comfortable viewing angles and a good contrast ratio (LEN156FHD (LEN9052))

Cons

Build quality is not the best
Unsatisfactory iGPU performance
Average battery life
Covers only 50% of sRGB (LEN156FHD (LEN9052))

Disassembly, maintenance and upgrade options

Upgradeable memory and super fast SSD speeds make the ThinkBook 15 Gen 4 a laptop worth buying.Check out all Lenovo ThinkBook 15 Gen 4 prices and configurations in our Specs System, or read more in our In-Depth review.1. Remove the bottom plate To pop this laptop open, you need to undo a total of 10 Phillips-head screws. Then, pry the bottom panel, starting from the front. It is best to use a plastic tool.2. Remove the battery Our configuration features the smaller 45Wh battery pack. It lasts for 7 hours of Web browsing, or 5 hours of video playback. To remove it, unplug [...]