Lenovo15-inch IdeaPad Slim 5 (Gen 10)

15.3-inches
1.529kg
AMD Ryzen 5, 16GB Ram, 512GB SSD

£589Typical price

Test score

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The Lenovo 15-inch IdeaPad Slim 5 (Gen 10) is a Windows laptop that combines an attractive price with a large screen, impressive-looking specs and premium aluminium design. We put every element of this laptop to the test to see if it’s a bargain worth bagging or should be left on the shelf. Read our review to find out.

pros

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cons

What's included?

What is it?
How fast is it and what’s it like to use?
What are the keyboard and touchpad like?
How good are the screen and webcam?
How are the speakers and audio quality?
How long does the battery last?
Is Lenovo a good laptop brand?
Should I buy it?

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KEY TEST RESULTS
Performance
Battery life
Portability

Nov 2025Last checked by Which?
May 2025First reviewed by Which?
Mar 2025Released

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

A laptop is positioned upright with a device connected to its screen, measuring brightness while displaying a webpage.

How we test laptops

18 Feb 2026

Ease of use

Overall
Touchpad
Keyboard
Connections

How we test ease of use

A large variety of tests make up this score, including how easy the laptop is to use while on your lap, how easy the lid is to open, and how well the keyboard and touchpad are to handle.

Performance

Overall
Start up from off
Web browsing
Office software
Photo editing
Wi-fi

How we test performance

A combination of USB speed tests, industry-standard benchmark software and wi-fi speed tests create this overall speed score. We also let you know how good a laptop is for gaming, although this does not impact our overall percentage score.

Battery life

Overall
Web browsing battery life
Video playback battery life

How we test battery life

A laptop that manages more than eight hours in our test will normally score five stars, while one that lasts under three hours will normally get one star.

Screen performance

Overall
Colours and brightness
Reflection reduction
Viewing angles

How we test screen performance

We look at how clear and bright the screen is, and perform scientific measurements to check colour accuracy. We also assess how wide the viewing angles are and whether reflections cause a problem.

Sound quality

Overall
Speakers - Music and movies
Headphones

How we test sound quality

The quality of the sound that comes from the built-in speakers, and how well the sound card handles audio delivered to high-quality headphones through the headphone jack.

Practicality

Overall
Portability
Build quality
Quiet operation

How we test practicality

These scores let you know what a laptop will be like to take out and about. Lighter laptops made from premium materials do better here, as do those that manage their heat efficiently and quietly.

Processor
Processor model	AMD Ryzen 5 7535HS
Total number of processor cores	6
Number of performance cores	6
Number of efficiency cores	0
Minimum processor speed	3.3GHz
Maximum processor speed	4.55GHz
Graphics	AMD Radeon 660M
Processor brand	AMD Ryzen 5

Memory and storage
Ram	16GB
Main storage type	SSD
Total storage capacity	512GB
Usable storage capacity	418GB

General
Height	16.7mm
Width	338mm
Depth	238mm
Weight	1.529kg
Available new	Yes

Display
Screen size	15.3-inches
Resolution	1920x1200
Finish	Shiny with reflection reduction
Touchscreen	No

Features
Operating system	Windows 11 Home
CD/DVD drive	No
Backlit keyboard	Yes
Separate numeric keypad	No
Type	Windows
Key specs	AMD Ryzen 5, 16GB Ram, 512GB SSD

Connections
USB 2.0	0
USB 3	2
USB-C	2
Charge laptop via USB
USB-C usable as display output
HDMI out	Yes
Ethernet port	No
SD card reader	Micro SD card slot

Security
End of software update support	We estimate Windows 11 support will end in October 2031. However, this laptop may be compatible with a future version of Windows that gets support beyond this date.

Suggested Alternatives

Samsung

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1.529kg
Intel Core i3, 8GB Ram, 256GB SSD

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14-inch Vivobook S14 (M3407HA)

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1.548kg
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Lenovo

IdeaPad Slim 5i 15-inch (Gen 9)

15.3-inches
1.742kg
Intel Core i5, 16GB Ram, 512GB SSD

£670Typical price

Test score

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Lenovo15-inch IdeaPad Slim 5 (Gen 10)