Side by side comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and ASUS BR1402F (PS81XA). 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 BR1402F (PS81XA) based on its technical characteristics, features, user experience, expert reviews and price level.
compact lightweight design
efficient multitasking performance
affordable price point
decent battery life
solid build quality
average display quality
limited graphics capabilities
fewer connectivity options
noisy under load
| DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 30.6 cm x 20.448 cm x 1.695 cm | 33.29 cm x 22.89 cm x 2.1 cm |
| Weight | 1.35 kg | 1.69 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | Plastic |
| Colour | Iron grey | Mineral grey |
| DISPLAY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| 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 | 250 cd/m² |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Anti-glare, 72% NTSC colour gamut | Glossy, Corning Gorilla glass, WideView |
| PROCESSOR | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel N-series N200 |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 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 | - | 0 |
| STORAGE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 128 GB SSD - UFS |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD (front) |
| Resolution | - | 13 Megapixel (rear) |
| Camera Features | Privacy shutter | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Dual speakers, dual array microphone |
| Compliant Standards | High Definition Audio, Dolby Atmos | - |
| Audio Features | - | Output: Audio by Dirac |
| COMMUNICATIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, 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 BR1402F (PS81XA) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 50 Wh |
| Battery Life | Up to 20 hours | - |
| AC ADAPTER | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 15 V, 3 A |
| INPUT | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad, stylus |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) Headphone/microphone combo jack |
HDMI 1.4 USB 2.0 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack LAN |
|---|
| SOFTWARE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Pro Education |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | ASUS BR1402F (PS81XA) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen | USB-C power adapter, MPP 2.0 garaged stylus |
|---|---|---|
| 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 | Hard drive password, LED indicator, fingerprint-resistant coating, modular design, rubber bumper, MIL-STD-810H tested, BIOS protection, ASUS Antimicrobial Guard |
| Compliant Standards | RoHS | RoHS, REACH, FSC Mix |
| 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 | 3Y |
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