In depth comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) 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 Yoga C640-13IML (Lenovo Yoga C640) based on its technical characteristics, features, user experience, expert reviews and price level.
long battery life
lightweight design
responsive touchscreen
solid build quality
fast charging support
limited port selection
average speaker quality
no dedicated GPU
higher price point
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 Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 30.6 cm x 20.448 cm x 1.695 cm | 32.34 cm x 22.31 cm x 1.8 cm |
| Weight | 1.35 kg | 1.22 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | - |
| Colour | Iron grey | Star black |
| DISPLAY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" |
|---|---|---|
| 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 | 400 cd/m² | 400 cd/m² |
| Colour Gamut | 72% NTSC | 100% sRGB |
| Features | Anti-glare, 72% NTSC colour gamut | Anti-glare, WideView, 85% screen-to-body ratio |
| PROCESSOR | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i5 (11th Gen) 1155G7 / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.5 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter | 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 Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 63 Wh |
| Battery Life | Up to 20 hours | - |
| AC ADAPTER | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt, 20 V, 3.25 A |
| INPUT | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, stylus, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 3.0 x4) (1 free) |
|---|---|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) 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 | - | Yes (microSD) |
| SOFTWARE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Pro |
|---|---|---|
| Software Included | Microsoft Office (Trial) | MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 Flip (B5402FEA) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen | Stylus, USB-C power adapter |
|---|---|---|
| Integrated Options | Accelerometer | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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 | Administrator password, power-on password | System password, ErgoLift, MIL-STD-810H tested |
| Compliant Standards | RoHS | CTR 21, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH |
| SAR Value | 0.32 W/kg (body), 0.32 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 | 13IML 81UE | HY0103X |
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