Lenovo ThinkBook 14 Gen 3 (AMD) vs IdeaPad 15” (2021, AMD)

You can select specific configurations for the laptops to get a more accurate comparative review


Evaluation of Lenovo ThinkBook 14 Gen 3 (AMD) and IdeaPad 15” (2021, AMD) important characteristics
System and application performance
Performance in popular 3D games
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Ports, webcam and other interfaces
Design, materials, durability and usability

Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo ThinkBook 14 Gen 3 (AMD)
  • Easier to carry: weighs 300 grams less (around 0.66 lbs)
  • Higher number of cutting-edge USB Type-C ports: 2 versus 1
  • Features a bigger (~18%) battery – 45 against 38 watt-hours
  • Much smaller footprint: 17% more compact case (109.1 vs 131.7 square inches)
Advantages of the Lenovo IdeaPad 15” (2021, AMD)
  • Thinner bezels and 3% higher screen-to-body ratio
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Tests and Specifications

Comparison table of test results and technical specs


Weight 1.4 kg (3.09 lbs) 1.7 kg (3.75 lbs)
Dimensions 323 x 218 x 17.9 mm
12.72 x 8.58 x 0.7 inches
359.2 x 236.5 x 19.9 mm
14.14 x 9.31 x 0.78 inches
Area 704 cm2 (109.1 inches2) 850 cm2 (131.6 inches2)
Screen-to-body ratio ~76.7% ~79%
Side bezels 6.6 mm 6.9 mm
Colors Gray Gray, Blue, Yellow
Transformer No No
Opening angle 180° 180°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Number of fans 1 2


Size 14 inches 15.6 inches
Refresh rate 60 Hz 60 Hz
PPI 157 ppi 141 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1920 x 1080 pixels
HDR support No No
Touchscreen No No
Coating Matte Matte
Display tests
Contrast 1200:1 -
sRGB color space 100% -
Max. brightness


Battery type Li-Po Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes No
Charging port position Left Left
Charge power 65 W 65 W


CPU name
Base frequency 2.6 GHz 2.6 GHz
Turbo frequency 3.8 GHz 3.8 GHz
Cores 4 4
Threads 8 8
L3 Cache 4 MB 4 MB
Integrated GPU Radeon RX Vega 6 Radeon RX Vega 6
Fabrication process 7 nm 7 nm


Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 15 W 15 W
Type Integrated Integrated
Fabrication process 7 nm 7 nm
GPU base clock 0 MHz 0 MHz
GPU boost clock 1500 MHz 1500 MHz
Memory size System Shared System Shared
Memory type DDR4 DDR4
Memory speed 3.2 Gbps 3.2 Gbps
Shading units 384 384
DirectX support 12.1 12.1


RAM size
Channels 2x4 GB 1x4 GB
Clock 3200 MHz 3200 MHz
Type DDR4 DDR4
Upgradable Yes Yes
Total slots 2 2
Max. ram size 40 GB 16 GB


Storage size
Bus PCI-E Gen 3.0 (4x) PCI-E Gen 3.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x128 GB 1x256 GB
Upgradable Yes Yes
Total slots 2 1
NVMe Yes Yes


Audio chip Realtek ALC3287 Realtek ALC3287
Speakers 2.0 2.0
Power 2x2W 2x1.5W
Dolby Atmos Yes Yes
Microphones 2 2


Wi-Fi standard v6 v6
Bluetooth v5.1 v5.1
Fingerprint Yes No
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1280 x 720
USB-A 2x USB 3.2 2x USB 3.2
USB Type-C 2x USB 3.2 1x USB 3.2
Thunderbolt No No
HDMI 1x HDMI 1.4 1x HDMI 2.0
DisplayPort No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) Yes No
SD card reader Yes Yes
Proprietary charging port No Yes


Keyboard type Island Island
Numpad No Yes
Backlight Yes Yes
Surface - Plastic
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

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