Lenovo IdeaPad Flex 5 15IIL05 (81X3) vs. Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad Flex 5 15IIL05 (81X3) and Lenovo ThinkPad L13 Yoga Gen 4 (21FJ). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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 ThinkPad L13 Yoga Gen 4 (21FJ) Review

Advantages and disadvantages of Lenovo ThinkPad L13 Yoga Gen 4 (21FJ) based on its technical characteristics, features, user experience, expert reviews and price level.

versatile 2-in-1 design

robust build quality

excellent keyboard comfort

good security features

decent battery life

average display brightness

modest graphics performance

limited storage options

higher price point

Laptop Comparison and Tests

Difference between Lenovo IdeaPad Flex 5 15IIL05 (81X3) and Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
74 % - Battery
82 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
80 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad Flex 5 15IIL05 (81X3) vs. Lenovo ThinkPad L13 Yoga Gen 4 (21FJ) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 35.76 cm x 23.79 cm x 2.09 cm 30.5 cm x 21.8 cm x 1.706 cm
Weight 1.8 kg 1.32 kg
Case Material Aluminum, polycarbonate ABS Aluminium (top), glass-fibre reinforced plastic (bottom)
Colour Graphite grey Thunder black
DISPLAY Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
Screen Size (Type) 15.6" 13.3" - 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 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% 100% sRGB
Features Glossy, One Glass Solution, Wide Viewing Angle, capacitive touch screen Anti-reflective, One Glass Solution, anti-smudge, 170° viewing angle
PROCESSOR Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
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 ThinkPad L13 Yoga Gen 4 (21FJ)
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 3200 MHz 4800 MHz
Rated Speed 3200 MHz 4800 MHz
STORAGE Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
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 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
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, Windows Hello, fixed focus, hybrid FHD/IR camera
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 Audio Premium
Audio Features - Input: Dolby Voice
COMMUNICATIONS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
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 Intel Wi-Fi 6 AX 201
Features Dual stream (2x2) Dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 52.5 Wh 46 Wh
Battery Life Up to 10.5 hours Up to 20.83 hours
AC ADAPTER Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
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 ThinkPad L13 Yoga Gen 4 (21FJ)
Type Keyboard, touchpad Keyboard, digitizer, TrackPoint, digital pen, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Multi-touch touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
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 (4K support)
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Pro - English
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo IdeaPad Flex 5 15IIL05 (81X3) Lenovo ThinkPad L13 Yoga Gen 4 (21FJ)
Included Accessories Power adapter USB-C power adapter, Lenovo Integrated Pen
Integrated Options Accelerometer -
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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, power-on password, RapidCharge, self-healing BIOS, NVMe password
Compliant Standards RoHS, ERP RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
SAR Value 1.624 W/kg (body), 1.624 W/kg (limb) -
ENERGY STAR Certified Yes -
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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