Lenovo ThinkBook 15 Gen 3 21A40006UK

Lenovo ThinkBook 15 Gen 3 15.6" AMD 5500U, AMD Radeon Graphics, 8GB RAM, 256GB SSD - 21A40006UK

Lenovo ThinkBook 15 Gen 3 15.6" AMD 5500U, AMD Radeon Graphics, 8GB RAM, 256GB SSD - 21A40006UK

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  • Designed to match the needs of the modern professional for anytime, anywhere productivity, this laptop is one of the thinnest and lightest available at this price range. Yet it packs in up to 8-core AMD Ryzen 5000 Series mobile processors that can make light of even compute-intensive workloads. The optional FHD display with narrow bezels, 100% sRGB colour gamut and TÜV Rheinland low blue-light certification delivers stunning visuals with minimal eye strain. Packed with innovative features that include a power button with integrated fingerprint reader for easy authentication, AI-based noise cancelling technology that minimizes ambient noise during meetings and a service hotkey that enables access to Lenovo support with just a keystroke. The device offers significantly better cooling than the previous generation - users can adjust the PC's performance, balancing fan speed, thermal capacity, and battery life. WiFi 6 technology enables faster internet speeds. SmartPower On touchkey replaces the power button, ensuring biometric authentication every time somebody uses the device.

Specifications Overview

Model 21A40006UK
CPU AMD 5500U
CPU Cores 6
CPU Clock Rate 2100 MHz
CPU Turbo Clock Rate 4000 MHz
RAM Size 8 GB
Memory Type DDR4
GPU AMD Radeon Graphics
SSD Capacity 256 GB
SSD Type NVMe,PCI Express 3.0
Screen Size 15.6"
Resolution 1920 x 1080
Panel Type IPS
Refresh Rate 60 Hz
Front Camera Yes
Front Camera Resolution HD
Dimensions 357 mm x 235 mm x 18.9 mm
Operating System Windows 10 Pro
Weight 1.7 Kg
Battery Capacity 45 Wh
USB 3.2 Gen 1 Type A Ports 2
USB 3.2 Gen 2 Type C Ports 2
Ethernet Ports 1
Ethernet Speed 100,1000 Mbit/s
HDMI Ports 1
HDMI Version 1.4b
Fingerprint Reader Yes
Wi-Fi Generation 6
Keyboard Backlit Yes

🚀 Performance

CPU Single-Core
39%
CPU Multi-Core
20%

(Higher is better)

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Lenovo ThinkBook 15 Gen 3 21A40006UK Mobile CPU Performance

PassMark - CPU Mark Single Thread Performance

Single-thread laptop performance directly affects everyday tasks like web browsing, app launching, and office work. A higher score means snappier responsiveness, faster file operations, and smoother in applications that rely on a single CPU core.

Intel i5-1140G7 (4 Cores)
104%
Intel i9-9980HK (8 Cores)
104%
AMD 4700U (8 Cores)
104%
AMD 4500U (6 Cores)
103%
AMD 4750U (8 Cores)
102%
Intel i9-9880H (8 Cores)
102%
Intel i7-9850H (6 Cores)
102%
Intel i3-1125G4 (4 Cores)
101%
AMD 4600H (6 Cores)
~
Microsoft SQ3 (8 Cores)
~
AMD 5500U (6 Cores)
100%
Intel i7-9750H (6 Cores)
99%
Intel i7-1180G7 (4 Cores)
99%
AMD 7520U (4 Cores)
99%
AMD 4600U (6 Cores)
98%
AMD 4650U (6 Cores)
98%
Intel i5-9400H (4 Cores)
98%
Intel i5-1130G7 (4 Cores)
97%
AMD 7320U (4 Cores)
96%
AMD 5300U (4 Cores)
95%
AMD 4300U (4 Cores)
95%

View chart ►

(Higher is better)

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Lenovo ThinkBook 15 Gen 3 21A40006UK Mobile Workstation Performance

PassMark - CPU Mark Multi Thread Performance

Multi-thread performance determines how well a laptop handles demanding workloads like video editing, 3D rendering, compiling code, and running multiple applications simultaneously. A higher score means faster export times, smoother content creation, and better overall productivity under heavy parallel workloads.

Intel i7-1365U (10 Cores)
108%
Intel i7-1255U (10 Cores)
107%
Intel i9-9880H (8 Cores)
106%
Intel i5-1235U (10 Cores)
105%
Intel i7-1265U (10 Cores)
103%
AMD 4700U (8 Cores)
103%
Intel i5-1334U (10 Cores)
103%
AMD 4600U (6 Cores)
102%
Intel i7-1255U (10 Cores)
102%
Intel i5-1245U (10 Cores)
101%
AMD 5500U (6 Cores)
100%
Intel i5-1235U (10 Cores)
99%
Intel W-10855M (6 Cores)
96%
AMD 4500U (6 Cores)
95%
AMD 4650U (6 Cores)
94%
Apple A18 Pro (6 Cores)
94%
Microsoft SQ3 (8 Cores)
93%
Intel E-2276M (6 Cores)
91%
Intel i7-11375H (4 Cores)
91%
Intel i7-11370H (4 Cores)
91%
Intel i7-10850H (6 Cores)
91%

View chart ►


Compare Lenovo ThinkBook 15 Gen 3 21A40006UK with similar Laptops

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