Side by side comparison and review of Lenovo ThinkPad A275 (20KD) and Lenovo ThinkPad T14s Gen 4 (21F9). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) 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
DESIGN AND DIMENSIONS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 30.55 cm x 20.85 cm x 2.03 cm | 31.75 cm x 22.69 cm x 1.69 cm |
Weight | 1.36 kg | 1.26 kg |
Case Material | Glass-fibre reinforced plastic | Aluminium (bottom), carbon fibre hybrid (top) |
Colour | Black | Deep black |
DISPLAY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Screen Size (Type) | 12.5" - TN | 14" - IPS |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 220 cd/m² | 300 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Anti-glare | Anti-glare, on-cell touch technology |
PROCESSOR | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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CPU | AMD A10 PRO-8730B / 2.4 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
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Max Turbo Speed | 3.3 GHz | 4.9 GHz |
Number of Cores | Quad-Core | 6-core |
Cache | 2 MB | L3 - 16 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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RAM | 4 GB (1 x 4 GB) | 16 GB (provided memory is soldered) |
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Max RAM Supported | 16 GB | - |
RAM Type | DDR4 SDRAM | LPDDR5X SDRAM |
Speed | 1866 MHz | 6400 MHz |
Rated Speed | 2400 MHz | 7500 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 1 | - |
Empty Slots | 0 | - |
STORAGE | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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AUDIO & VIDEO | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Graphics Processor (GPU) | AMD Radeon R5 | AMD Radeon 740M |
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Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - 720p | Yes |
Resolution | - | 5 Megapixel |
Camera Features | - | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3268 | Realtek ALC3287 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
Audio Features | - | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Realtek RTL8822BE - M.2 Card | Qualcomm NFA725A |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Realtek RTL8111EPV | - |
WWAN |
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Generation | 4G | - |
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Technology | LTE Advanced | - |
Controller | Sierra Wireless EM7455 - M.2 Card | - |
BATTERY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Technology | 3-cell Lithium Ion | Lithium polymer |
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Installed Qty | 2 | - |
Battery Capacity (Size) | 23 Wh | 57 Wh |
Battery Life | Up to 10.1 hours | - |
AC ADAPTER | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt | 65 Watt |
INPUT | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Slots | 1 x Micro-SIM card (1 free) | - |
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Interfaces | USB 3.1 Gen 1/USB 3.0 USB 3.1 Gen 1/USB 3.0 (Always On) USB-C 3.1 Gen 1 HDMI LAN Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 (Always On) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
SOFTWARE | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Operating System (OS) | FreeDOS | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
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Software Included | - | Glance by Mirametrix |
MISCELLANEOUS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Included Accessories | Power adapter | USB-C power adapter, Lenovo USB-C to Ethernet Adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip | 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, MIL-STD-810G tested | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Navigation Receiver | GPS | - |
Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |