In depth comparison and review of Lenovo IdeaPad Flex 5 15IIL05 (81X3) and ASUS ExpertBook B5 Flip (B5402FEA). 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.
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
Advantages and disadvantages of ASUS ExpertBook B5 Flip (B5402FEA) based on its technical characteristics, features, user experience, expert reviews and price level.
360-degree hinge versatility
lightweight and portable
robust security features
responsive touchscreen display
fast charging support
average battery life
limited graphics performance
noisy under load
higher price point
DESIGN AND DIMENSIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Product Type | Notebook - flip design | Notebook - flip design |
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Dimensions (WxDxH) | 35.76 cm x 23.79 cm x 2.09 cm | 32.34 cm x 22.31 cm x 1.8 cm |
Weight | 1.8 kg | 1.22 kg |
Case Material | Aluminum, polycarbonate ABS | - |
Colour | Graphite grey | Star black |
DISPLAY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Screen Size (Type) | 15.6" | 14" |
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Touchscreen | Yes (10-point multi-touch) | Yes |
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 | 400 cd/m² |
Colour Gamut | 45% | 100% sRGB |
Features | Glossy, One Glass Solution, Wide Viewing Angle, capacitive touch screen | Anti-glare, WideView, 85% screen-to-body ratio |
PROCESSOR | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel Core i5 (11th Gen) 1155G7 / 2.5 GHz |
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Max Turbo Speed | 3.4 GHz | 4.5 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 4 MB | 8 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | - |
MEMORY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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Max RAM Supported | - | 40 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | - |
Rated Speed | 3200 MHz | - |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 1 |
STORAGE | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
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Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | Yes - 720p |
Camera Features | Privacy shutter, fixed focus | Privacy shutter, IR camera, Windows Hello |
Sound | Stereo speakers, dual array microphone | Dual stereo speakers, array microphone |
Compliant Standards | High Definition Audio, Dolby Atmos | - |
Audio Features | - | Input: AI noise cancelling |
COMMUNICATIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | M.2 Card | - |
Network Interface | - | Gigabit Ethernet |
Features | Dual stream (2x2) | Dual stream (2x2) |
BATTERY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Technology | Lithium Ion | 3-cell Lithium Ion |
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Battery Capacity (Size) | 52.5 Wh | 63 Wh |
Battery Life | Up to 10.5 hours | - |
AC ADAPTER | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt, 20 V, 3.25 A |
INPUT | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Type | Keyboard, touchpad | Keyboard, stylus, NumberPad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Multi-touch touchpad | Chiclet keyboard |
CONNECTIONS & EXPANSIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Slots | - | 2 x M.2 (PCI Express 3.0 x4) (1 free) |
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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 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 2.0 LAN 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) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Operating System (OS) | Windows 10 Home in S mode - English | Windows 11 Pro |
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Software Included | Microsoft Office (Trial) | MyASUS, Microsoft 365 (1 month trial) |
MISCELLANEOUS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | ASUS ExpertBook B5 Flip (B5402FEA) |
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Included Accessories | Power adapter | Stylus, USB-C power adapter |
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Integrated Options | Accelerometer | - |
Security | - | 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 | System password, ErgoLift, MIL-STD-810H tested |
Compliant Standards | RoHS, ERP | CTR 21, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH |
SAR Value | 1.624 W/kg (body), 1.624 W/kg (limb) | - |
ENERGY STAR Certified | Yes | - |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
Model Number | - | HY0103X |