In depth comparison and review of Lenovo ThinkPad X13 Gen 1 (20UF) and Lenovo ThinkPad X13 Gen 3 (21CM). 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 X13 Gen 3 (21CM) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard experience
impressive security features
good battery life
compact and portable
average display brightness
limited graphics performance
noisy under load
higher price point
DESIGN AND DIMENSIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 31.19 cm x 21.72 cm x 1.69 cm | 30.58 cm x 21.756 cm x 1.81 cm |
Weight | 1.29 kg | 1.31 kg |
Case Material | Glass-fibre, magnesium-aluminum alloy, polyphenylene sulfide | Polyphenylene sulfide (top), aluminium (bottom) |
Colour | Black | Thunder black |
DISPLAY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Screen Size (Type) | 13.3" - IPS | 13.3" - IPS |
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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 | 72% NTSC |
Features | Anti-glare, 170° viewing angle, 72% NTSC colour gamut | Anti-glare, 170° viewing angle |
PROCESSOR | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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CPU | AMD Ryzen 5 Pro 4650U / 2.1 GHz | AMD Ryzen 5 Pro 6650U / 2.9 GHz |
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Max Turbo Speed | 4 GHz | 4.5 GHz |
Number of Cores | 6-core | 6-core |
Cache | L3 - 8 MB | L3 - 16 MB |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
Speed | 3200 MHz | 6400 MHz |
Rated Speed | 3200 MHz | 6400 MHz |
STORAGE | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance |
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AUDIO & VIDEO | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon 660M |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | IR camera, Windows Hello, ThinkShutter camera privacy | Privacy shutter, IR camera, fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio, Dolby Voice |
COMMUNICATIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Wi-Fi 6 AX 200 - M.2 Card | Qualcomm NFA725A |
Ethernet Controller | Realtek RTL8111EPV | - |
Compliant Standards | DASH | - |
Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) | Dual stream (2x2) |
WWAN |
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Generation | WWAN upgradable | 4G upgradable |
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BATTERY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Technology | Lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 48 Wh | 54.7 Wh |
Battery Life | Up to 13.9 hours | - |
AC ADAPTER | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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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 X13 Gen 3 (21CM) |
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Slots | - | 1 x Nano-SIM card (1 free) |
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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 |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
Memory Card Reader | Yes (microSD) | - |
SOFTWARE | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English |
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Software Included | - | Glance by Mirametrix |
MISCELLANEOUS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo ThinkPad X13 Gen 3 (21CM) |
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Dockable | Yes | - |
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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, smart card 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, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration |
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 Extended warranty - 1 year - on-site Limited warranty - battery - 1 year |