Detailed comparison and review of ASUS ExpertBook B3 Flip (B3402FEA) and Lenovo ThinkPad X13 Yoga Gen 4 (21F3). 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.
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 X13 Yoga Gen 4 (21F3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
versatile 2-in-1 design
excellent keyboard comfort
impressive security features
good battery life
higher price point
limited graphics performance
no OLED display option
modest port selection
| DESIGN AND DIMENSIONS | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.39 cm x 1.95 cm | 30.17 cm x 21.46 cm x 1.64 cm |
| Weight | 1.61 kg | 1.21 kg |
| Case Material | Plastic (top), plastic (bottom), aluminium (LCD cover) | Magnesium (bottom), magnesium (top) |
| Colour | Star black (LCD cover), star black (top), star black (bottom) | Star black | Deep black |
| DISPLAY | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| 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 | One Glass Solution |
| PROCESSOR | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.6 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 8 MB | 12 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 4800 MHz |
| Rated Speed | - | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p (front) | Yes |
| Resolution | 13 Megapixel (rear) | 5 Megapixel |
| Camera Features | Privacy shutter | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
| Sound | Speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| 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 | - | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|---|---|
| Controller | SIM card | - |
| BATTERY | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 54.7 Wh |
| AC ADAPTER | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 65 Watt |
| INPUT | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| 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 X13 Yoga Gen 4 (21F3) |
|---|
| 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 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0) HDMI 2.1 (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| Operating System (OS) | Windows 11 Pro | Windows 11 Pro |
|---|---|---|
| Software Included | McAfee, MyASUS, Microsoft 365 (1 month trial) | - |
| MISCELLANEOUS | ASUS ExpertBook B3 Flip (B3402FEA) | Lenovo ThinkPad X13 Yoga Gen 4 (21F3) |
|---|
| Included Accessories | USB-C power adapter, MPP 2.0 garaged stylus | USB-C power adapter, Lenovo USB-C to Ethernet 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 |
| 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, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| 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 | - |
| Model Number | EC0710X | - |
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