In depth comparison and review of Lenovo ThinkPad X13s Gen 1 (21BX) and Lenovo ThinkPad Z16 Gen 1 (21D4). 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.87 cm x 20.64 cm x 1.34 cm | 35.44 cm x 23.74 cm x 1.58 cm |
| Weight | 1.06 kg | 1.94 kg |
| Case Material | Glass-fibre reinforced plastic (bottom), magnesium-aluminium alloy (top) | Aluminium (top), aluminium (bottom) |
| Colour | Thunder black | Black (bottom), arctic grey (top) |
| DISPLAY | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Screen Size (Type) | 13.3" - IPS | 16" OLED |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 3840 x 2400 (WQUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 300 cd/m² | 400 cd/m² |
| Colour Gamut | 100% sRGB | 100% DCI-P3 |
| Features | Anti-glare, 170° viewing angle | Anti-reflective, One Glass Solution, anti-smudge, Low Blue Light technology, Dolby Vision, 92.3% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| CPU | Qualcomm Snapdragon 8cx Gen 3 | AMD Ryzen 9 Pro 6950H / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 3 GHz | 4.9 GHz |
| Number of Cores | 8-core | 8-core |
| Cache | L2 - 1 MB | L3 - 16 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| RAM | 16 GB (provided memory is soldered) | 32 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4X SDRAM | LPDDR5 SDRAM |
| Speed | 4266 MHz | 6400 MHz |
| Rated Speed | 4266 MHz | 6400 MHz |
| STORAGE | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Qualcomm Adreno 690 | AMD Radeon RX 6500M / AMD Radeon 680M |
| Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Camera | Yes | Yes - 1080p |
| Resolution | 5 Megapixel | - |
| Camera Features | IR camera, fixed focus, e-camera shutter, MIPI | IR camera, Windows Hello, e-camera shutter |
| Sound | Stereo speakers, 3-microphone array | Stereo speakers, dual array microphone |
| Codec | Qualcomm WCD9385 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos, Dolby Voice |
| COMMUNICATIONS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Qualcomm WCN6855 Wi-Fi 6E | Qualcomm NFA725A |
| Compliant Standards | - | DASH |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 5G | 4G |
|---|---|---|
| Technology | - | LTE |
| Controller | Qualcomm Snapdragon X55 - M.2 Card | Quectel EM05-G - M.2 Card |
| BATTERY | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 49.5 Wh | 72 Wh |
| Battery Life | Up to 28 hours | - |
| AC ADAPTER | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 135 Watt |
| INPUT | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| 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, glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
3 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
| Memory Card Reader | - | Yes (SD Card, SDXC UHS-II Card) |
| SOFTWARE | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Operating System (OS) | Windows 11 Pro (on ARM) - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Glance by Mirametrix |
| MISCELLANEOUS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad Z16 Gen 1 (21D4) |
|---|
| Included Accessories | USB-C power adapter | USB-C slim power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| Security Slot Type | Kensington nano 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, power-on password, MIL-STD-810H tested, self-healing BIOS | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, USB FIDO (Fast Identity Online) device integration, pen upgradable, certificate based BIOS authentication |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | EPEAT Gold |
| 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 Limited warranty - battery - 1 year Extended warranty - 1 year - on-site |
Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
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