In depth comparison and review of Lenovo ThinkPad X13 Gen 1 (20UF) and Lenovo ThinkPad X13s Gen 1 (21BX). 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 X13 Gen 1 (20UF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
compact and portable
reliable performance
dim display brightness
limited storage capacity
no dedicated GPU
higher price point
Advantages and disadvantages of Lenovo ThinkPad X13s Gen 1 (21BX) based on its technical characteristics, features, user experience, expert reviews and price level.
long battery life
lightweight design
robust security features
solid build quality
efficient performance
limited port selection
no headphone jack
average display brightness
higher price point
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.19 cm x 21.72 cm x 1.69 cm | 29.87 cm x 20.64 cm x 1.34 cm |
| Weight | 1.29 kg | 1.06 kg |
| Case Material | Glass-fibre, magnesium-aluminum alloy, polyphenylene sulfide | Glass-fibre reinforced plastic (bottom), magnesium-aluminium alloy (top) |
| Colour | Black | Thunder black |
| DISPLAY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Screen Size (Type) | 13.3" - IPS | 13.3" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| 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 | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 72% NTSC | 100% sRGB |
| Features | Anti-glare, 170° viewing angle, 72% NTSC colour gamut | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| CPU | AMD Ryzen 5 Pro 4650U / 2.1 GHz | Qualcomm Snapdragon 8cx Gen 3 |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3 GHz |
| Number of Cores | 6-core | 8-core |
| Cache | L3 - 8 MB | L2 - 1 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 3200 MHz | 4266 MHz |
| Rated Speed | 3200 MHz | 4266 MHz |
| STORAGE | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Qualcomm Adreno 690 |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 3 external monitor(s) | 2 external monitor(s) |
| Camera | Yes - 720p | Yes |
| Resolution | - | 5 Megapixel |
| Camera Features | IR camera, Windows Hello, ThinkShutter camera privacy | IR camera, fixed focus, e-camera shutter, MIPI |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, 3-microphone array |
| Codec | Realtek ALC3287 | Qualcomm WCD9385 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 - M.2 Card | Qualcomm WCN6855 Wi-Fi 6E |
| Ethernet Controller | Realtek RTL8111EPV | - |
| Compliant Standards | DASH | - |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | WWAN upgradable | 5G |
|---|---|---|
| Controller | - | Qualcomm Snapdragon X55 - M.2 Card |
| BATTERY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 49.5 Wh |
| Battery Life | Up to 13.9 hours | Up to 28 hours |
| AC ADAPTER | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Dock Headphone/microphone combo jack |
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Pro (on ARM) - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13s Gen 1 (21BX) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington nano 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, self-healing BIOS | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | RoHS, TCG Certified | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | 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 | Limited warranty - 3 years - pick-up and return Limited warranty - 1 year - pick-up and return |
Base warranty - 3 years - pick-up and return Limited warranty - battery - 1 year Extended warranty - 1 year - on-site |
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