Side by side comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and ASUS ExpertBook B5 (B5402FVA). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 (B5402FVA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
robust security features
fast charging support
high-resolution display
efficient performance
limited graphics capability
higher price point
noisy under load
moderate storage options
| DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| 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 | 1.39 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | Aluminum, magnesium-aluminium |
| Colour | Iron grey | Star black |
| DISPLAY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| 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, 85% screen-to-body ratio |
| PROCESSOR | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i7 (12th Gen) 1360P / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 5 GHz |
| Number of Cores | Quad-Core | 12-core |
| Cache | 6 MB | L3 - 18 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| 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 | Speakers, array microphone |
| Compliant Standards | High Definition Audio, Dolby Atmos | Dolby Atmos |
| Audio Features | - | Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| 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 (B5402FVA) |
|---|
| 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 (B5402FVA) |
|---|
| 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 (B5402FVA) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, stylus, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 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 1 USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI 2.1 Headphone/microphone combo jack LAN |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B5 (B5402FVA) |
|---|
| 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 (B5402FVA) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen | USB-C power adapter, MPP 2.0 ASUS Pen |
|---|---|---|
| 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 security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password | MIL-STD-810H tested, Cortana support |
| Compliant Standards | RoHS | - |
| 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 | - |
| Model Number | 13IML 81UE | KAi715X |
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