In depth comparison and review of ASUS ExpertBook B3 Flip (B3402FEA) and Lenovo ThinkPad L13 Yoga Gen 4 (21FR). 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 ASUS ExpertBook B3 Flip (B3402FEA) based on its technical characteristics, features, user experience, expert reviews and price level.
360-degree hinge versatility
robust military-grade durability
touchscreen with stylus support
convenient physical webcam shutter
fast charging technology
average battery life
modest display brightness
limited graphics performance
heavier than competitors
Advantages and disadvantages of Lenovo ThinkPad L13 Yoga Gen 4 (21FR) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
responsive touchscreen
solid build quality
good keyboard feel
adequate port selection
average battery life
modest graphics performance
limited storage capacity
heavier than competitors
| DESIGN AND DIMENSIONS | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.39 cm x 1.95 cm | 30.5 cm x 21.8 cm x 1.706 cm |
| Weight | 1.61 kg | 1.31 kg |
| Case Material | Plastic (top), plastic (bottom), aluminium (LCD cover) | Aluminium (top), glass-fibre reinforced plastic (bottom) |
| Colour | Star black (LCD cover), star black (top), star black (bottom) | Star black | Thunder black |
| DISPLAY | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Screen Size (Type) | 14" | 13.3" - IPS |
|---|---|---|
| Touchscreen | Yes | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Glossy, WideView, 80% screen-to-body ratio | Anti-reflective, One Glass Solution, anti-smudge, 170° viewing angle |
| PROCESSOR | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | AMD Ryzen 7 Pro 7730U / 2 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.5 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | L3 - 16 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| 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 | 0 | - |
| STORAGE | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 720p (front) | Yes - 1080p |
| Resolution | 13 Megapixel (rear) | - |
| Camera Features | Privacy shutter | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio Premium |
| Audio Features | - | Input: Dolby Voice |
| COMMUNICATIONS | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | AMD RZ616 |
| Network Interface | Gigabit Ethernet | - |
| Compliant Standards | - | DASH |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G upgradable | 4G upgradable |
|---|---|---|
| Controller | SIM card | - |
| BATTERY | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 46 Wh |
| AC ADAPTER | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 45 Watt |
| INPUT | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Type | Keyboard, stylus, NumberPad | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, chiclet keyboard | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Slots | 1 x SIM card (1 free) | - |
|---|---|---|
| Interfaces | HDMI Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) LAN USB 2.0 |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Operating System (OS) | Windows 11 Pro | Windows 11 Pro - English |
|---|---|---|
| Software Included | McAfee, MyASUS, Microsoft 365 (1 month trial) | - |
| MISCELLANEOUS | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad L13 Yoga Gen 4 (21FR) |
|---|
| Included Accessories | USB-C power adapter, MPP 2.0 garaged stylus | USB-C power adapter, Lenovo Integrated Pen |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | MIL-STD-810H tested, Computrace ready from BIOS | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | ISO 22196, TUV Rheinland Flicker Free Certification, TUV Rheinland Low Blue Light (Software Solution) | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | International warranty - 3 years | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
| Model Number | EC0710X | - |
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