In depth comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and ASUS ExpertBook B7 Flip (B7402FEA). 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 B7 Flip (B7402FEA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust military-grade durability
flexible 360-degree hinge
efficient performance
long-lasting battery life
bright touchscreen display
heavier than competitors
premium price tag
limited graphics performance
modest speaker quality
| DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 30.6 cm x 20.448 cm x 1.695 cm | 32 cm x 23.42 cm x 1.89 cm |
| Weight | 1.35 kg | 1.44 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | Aluminum, magnesium-aluminum alloy |
| Colour | Iron grey | Star black |
| DISPLAY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 400 cd/m² | 500 cd/m² |
| Colour Gamut | 72% NTSC | 100% sRGB |
| Features | Anti-glare, 72% NTSC colour gamut | ASUS Splendid Video Intelligence Technology, anti-glare, Wide-View (IPS), Tru2Life, integrated privacy screen, 81% screen-to-body ratio |
| PROCESSOR | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i7 (11th Gen) 1195G7 / 2.9 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 5 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Harman/kardon stereo speakers, array microphone |
| Compliant Standards | High Definition Audio, Dolby Atmos | - |
| Audio Features | - | Noise-cancellation technology, Smart Amp |
| COMMUNICATIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 5G |
|---|---|---|
| Controller | - | SIM card |
| BATTERY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| 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 B7 Flip (B7402FEA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt, 19 V, 3.42 A |
| INPUT | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, stylus, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x4) (0 free) 1 x SIM card |
|---|---|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) Headphone/microphone combo jack |
2 x USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI LAN (on supplied adapter) Headphone/microphone combo jack |
| Memory Card Reader | - | Yes |
| SOFTWARE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS ExpertBook B7 Flip (B7402FEA) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen | Stylus, USB-C power adapter, Micro HDMI to LAN adapter |
|---|---|---|
| Integrated Options | Accelerometer | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM) 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, hard drive password, ErgoLift, MIL-STD-810H tested |
| Compliant Standards | RoHS | - |
| SAR Value | 0.32 W/kg (body), 0.32 W/kg (limb) | - |
| Repairability Index | - | 5.5 (out of 10) |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year |
| Model Number | 13IML 81UE | LA0150R |
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