In depth comparison and review of Lenovo ThinkPad X1 Nano Gen 1 (20UN) and Lenovo V15 G4 IAH (83FS). 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 X1 Nano Gen 1 (20UN) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
sharp display resolution
efficient performance
limited port selection
higher price point
no touchscreen option
average audio quality
Advantages and disadvantages of Lenovo V15 G4 IAH (83FS) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
solid build quality
decent processor performance
sufficient connectivity options
lightweight design
average display quality
limited graphics power
modest battery life
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.28 cm x 20.77 cm x 1.67 cm | 35.92 cm x 23.58 cm x 1.99 cm |
| Weight | 907 g | 1.67 kg |
| Case Material | Carbon fibre (top), magnesium alloy (bottom) | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Black paint | Business black |
| DISPLAY | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Screen Size (Type) | 13" - IPS | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2160 x 1350 (2K) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 450 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, 170° viewing angle, Low Power | Anti-glare, Low Blue Light technology |
| PROCESSOR | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| CPU | Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz | Intel Core i5 (12th Gen) 12500H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.5 GHz |
| Number of Cores | Quad-Core | 12-core |
| Cache | 8 MB | 18 MB |
| Platform Technology | Intel Evo | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
| Speed | 4266 MHz | 3200 MHz |
| Rated Speed | 4266 MHz | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | 2 external monitor(s) |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus, Human Presence Detection | Privacy shutter, fixed focus |
| Sound | Four speakers, four microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: noise-cancellation technology |
| COMMUNICATIONS | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 38 Wh |
| Battery Life | Up to 22.87 hours | Up to 9.1 hours |
| Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 9.1 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, SMB Service hot key |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI 1.4b LAN Headphone/microphone combo jack USB 2.0 |
|---|
| SOFTWARE | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Nano Gen 1 (20UN) | Lenovo V15 G4 IAH (83FS) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, Firmware Resiliency 2.0 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 6, FSC, TUV Rheinland Low Blue Light (Software Solution) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
Limited warranty - 1 year - pick-up and return |