In depth comparison and review of Lenovo ThinkPad X390 (20SD) and Lenovo V155-15API (Lenovo V155). 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 (20SD) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
compact and portable
strong security features
limited graphics performance
average display brightness
no dedicated GPU
higher price point
Advantages and disadvantages of Lenovo V155-15API (Lenovo V155) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
adequate performance
full hd display
solid build quality
decent storage options
average battery life
no backlit keyboard
limited port selection
mediocre sound quality
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.2 cm x 21.72 cm x 1.69 cm | 36.3 cm x 25.4 cm x 2.29 cm |
| Weight | 1.29 kg | 2.2 kg |
| Case Material | Magnesium-aluminum alloy, polyphenylene sulfide | Polycarbonate ABS |
| Colour | Black | Iron grey |
| DISPLAY | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Screen Size (Type) | 13.3" - IPS | 15.6" - TN |
|---|---|---|
| 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 | Anti-glare, 170° viewing angle | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | AMD Ryzen 3 3200U / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 3.5 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 8 MB | L3 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 16 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 | - | 1 |
| STORAGE | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Toshiba | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Vega 3 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | ThinkShutter camera privacy | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | - |
| BATTERY | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 36 Wh |
| Battery Life | Up to 17.6 hours | Up to 5 hours |
| AC ADAPTER | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| 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 |
2 x USB 3.1 Gen 1 LAN HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X390 (20SD) | Lenovo V155-15API (Lenovo V155) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | 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 STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 15API 81V5 |
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