In depth comparison and review of Lenovo ThinkPad T14s Gen 3 (21BS) and Lenovo ThinkPad T14 Gen 4 (21K3). 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 T14s Gen 3 (21BS) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
powerful processor options
bright display
higher price point
limited graphics performance
no OLED option
heavier than competitors
Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21K3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
impressive security features
heavier than competitors
average display brightness
limited color options
pricey base model
DESIGN AND DIMENSIONS | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 31.75 cm x 22.69 cm x 1.66 cm | 31.77 cm x 22.69 cm x 1.79 cm |
Weight | 1.21 kg | 1.39 kg |
Case Material | Aluminium (bottom), carbon fibre hybrid (top) | Carbon fibre hybrid (top), polyphenylene sulfide (bottom) |
Colour | Thunder black | Thunder black |
DISPLAY | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Screen Size (Type) | 14" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:10 | 16:10 |
Image Brightness | 400 cd/m² | 300 cd/m² |
Colour Gamut | 100% sRGB | 45% NTSC |
Features | Anti-glare, 170° viewing angle, Eyesafe technology | Anti-glare |
PROCESSOR | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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CPU | Intel Core i7 (12th Gen) 1265U / 1.8 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
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Max Turbo Speed | 4.8 GHz | 4.9 GHz |
Number of Cores | 10-core | 6-core |
Cache | 12 MB | L3 - 16 MB |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
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RAM Type | LPDDR5 SDRAM | LPDDR5X SDRAM |
Speed | 4800 MHz | 6400 MHz |
Rated Speed | 6400 MHz | 6400 MHz |
STORAGE | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon 740M |
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Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
Camera | Yes - 1080p | Yes - 1080p |
Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Audio, Dolby Voice | High Definition Audio, Dolby Audio |
Audio Features | - | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Wi-Fi 6E AX 211 | MediaTek RZ616 |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Realtek RTL8111EPV |
Compliant Standards | - | DASH |
Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Technology | 4-cell lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 57 Wh | 52.5 Wh |
Battery Life | Up to 24 hours | - |
AC ADAPTER | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt, 5 / 9 / 15 / 20 V | 65 Watt |
INPUT | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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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 T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
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SOFTWARE | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Pro - English |
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Software Included | - | Glance by Mirametrix |
MISCELLANEOUS | Lenovo ThinkPad T14s Gen 3 (21BS) | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Included Accessories | USB-C power adapter | USB-C power adapter |
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Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card 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, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | 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 Base warranty - battery - 1 year Extended warranty - 3 years - on-site Extended warranty - 1 year - on-site - response time: next business day |