In depth comparison and review of Lenovo ThinkPad A275 (20KD) and Lenovo ThinkPad L15 Gen 4 (21H7). 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 L15 Gen 4 (21H7) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate connectivity options
mediocre display quality
heavier than competitors
limited graphics performance
higher price point
DESIGN AND DIMENSIONS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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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 | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 1.36 kg | 1.77 kg |
Case Material | Glass-fibre reinforced plastic | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Black | Thunder black |
DISPLAY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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Screen Size (Type) | 12.5" - TN | 15.6" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 220 cd/m² | 250 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Anti-glare | Anti-glare |
PROCESSOR | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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CPU | AMD A10 PRO-8730B / 2.4 GHz | AMD Ryzen 5 Pro 7530U / 2 GHz |
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Max Turbo Speed | 3.3 GHz | 4.5 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 L15 Gen 4 (21H7) |
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RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 16 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 1866 MHz | 3200 MHz |
Rated Speed | 2400 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 2 |
Empty Slots | 0 | 1 |
STORAGE | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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Graphics Processor (GPU) | AMD Radeon R5 | AMD Radeon Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
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, far-field |
COMMUNICATIONS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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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 | AMD RZ616 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Realtek RTL8111EPV | Realtek RTL8111EPV |
Compliant Standards | - | DASH |
Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
WWAN |
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Generation | 4G | 4G upgradable |
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Technology | LTE Advanced | - |
Controller | Sierra Wireless EM7455 - M.2 Card | - |
BATTERY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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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 L15 Gen 4 (21H7) |
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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 L15 Gen 4 (21H7) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | - | Yes |
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 L15 Gen 4 (21H7) |
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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 USB 3.2 Gen 1 (Always On) 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
SOFTWARE | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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Operating System (OS) | FreeDOS | Windows 11 Pro - English |
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MISCELLANEOUS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad L15 Gen 4 (21H7) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, 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, MIL-STD-810G tested | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
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% |
Manufacturer Warranty | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |