Lenovo IdeaPad Flex 5 15IIL05 (81X3) vs. Lenovo ThinkBook 14s Yoga G3 IRU (21JG)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad Flex 5 15IIL05 (81X3) and Lenovo ThinkBook 14s Yoga G3 IRU (21JG). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo IdeaPad Flex 5 15IIL05 (81X3) Review

Advantages and disadvantages of Lenovo IdeaPad Flex 5 15IIL05 (81X3) based on its technical characteristics, features, user experience, expert reviews and price level.

flexible 2-in-1 design

responsive touchscreen display

affordable price point

solid build quality

decent battery life

moderate display brightness

average processor speed

limited graphics performance

no thunderbolt support

Lenovo ThinkBook 14s Yoga G3 IRU (21JG) Review

Advantages and disadvantages of Lenovo ThinkBook 14s Yoga G3 IRU (21JG) based on its technical characteristics, features, user experience, expert reviews and price level.

versatile 2-in-1 design

sharp full-hd display

solid build quality

responsive touch screen

good keyboard comfort

average battery life

limited port selection

moderate graphics performance

heavier than competitors

Laptop Comparison and Tests

Difference between Lenovo IdeaPad Flex 5 15IIL05 (81X3) and Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
74 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad Flex 5 15IIL05 (81X3) vs. Lenovo ThinkBook 14s Yoga G3 IRU (21JG) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 35.76 cm x 23.79 cm x 2.09 cm 32 cm x 21.6 cm x 1.69 cm
Weight 1.8 kg 1.5 kg
Case Material Aluminum, polycarbonate ABS Aluminium (top), aluminium (bottom)
Colour Graphite grey Dual tone mineral grey
DISPLAY Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Screen Size (Type) 15.6" 14" - IPS
Touchscreen Yes (10-point multi-touch) Yes (10-point multi-touch)
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% 100% sRGB
Features Glossy, One Glass Solution, Wide Viewing Angle, capacitive touch screen Glossy, Corning Gorilla glass, anti-glare, Direct Bonding technology, anti-fingerprint, capacitive touch screen, 170° viewing angle, one glass metal mesh (OGM), Dolby Vision
PROCESSOR Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
CPU Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.4 GHz 4.6 GHz
Number of Cores Dual-Core 10-core
Cache 4 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 1080p
Camera Features Privacy shutter, fixed focus Privacy shutter, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Atmos
Audio Features - Input: noise-cancellation technology
COMMUNICATIONS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card M.2 Card
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 52.5 Wh 60 Wh
Battery Life Up to 10.5 hours Up to 15.8 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 15.8 hours
AC ADAPTER Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Type Keyboard, touchpad Keyboard, digitizer, touchpad, digital pen
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Multi-touch touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Pro - German
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkBook 14s Yoga G3 IRU (21JG)
Included Accessories Power adapter USB-C power adapter, ThinkBook Yoga Integrated Smart Pen
Integrated Options Accelerometer -
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Hard drive password, power-on password, RapidCharge, smart charge Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS
Compliant Standards RoHS, ERP RoHS, Energy-Related Products (ErP) Lot 6, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Software Solution)
SAR Value 1.624 W/kg (body), 1.624 W/kg (limb) -
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site - response time: next business day
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