In depth comparison and review of Lenovo ThinkPad X390 Yoga (20NN) and Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340). 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 ThinkPad X390 Yoga (20NN) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
robust build quality
excellent keyboard comfort
good battery life
reliable performance
higher price point
limited graphics power
no 4K display option
modest storage capacity
Advantages and disadvantages of Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
responsive touchscreen display
affordable price point
solid build quality
decent battery life
moderate processor speed
limited storage capacity
average graphics performance
no thunderbolt support
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 31.04 cm x 21.9 cm x 1.595 cm | 32.8 cm x 22.9 cm x 1.79 cm |
| Weight | 1.29 kg | 1.65 kg |
| Case Material | Carbon fibre | Polycarbonate, polycarbonate ABS, glass-fibre |
| Colour | Black | Onyx black | Platinum grey |
| DISPLAY | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" - TN |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | 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 | 300 cd/m² | 220 cd/m² |
| Colour Gamut | 72% | - |
| Features | Glossy, anti-reflective, anti-smudge, 170° viewing angle | Glossy |
| PROCESSOR | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | AMD Ryzen 3 3200U / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 3.5 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | L3 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | - | 8 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2666 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 128 GB SSD M.2 2280 SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Vega 3 |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Max Monitors Supported | - | 1 external monitor(s) |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | IR camera, ThinkShutter camera privacy | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | M.2 Card |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | Single stream (1x1) |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 45 Wh |
| Battery Life | Up to 14.5 hours | Up to 10 hours |
| AC ADAPTER | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Dock Headphone/microphone combo jack Lenovo Ethernet extension connector |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X390 Yoga (20NN) | Lenovo IdeaPad C340-14API (Lenovo IdeaPad C340) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | ThinkPad Pen Pro, USB-C power adapter | Power adapter |
| Integrated Options | 3-axis gyro sensor, 3-axis accelerometer | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 1.696 W/kg (body), 1.696 W/kg (limb) | 0.82 W/kg (body), 0.82 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | - | 14API 81N6 |
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