Detailed comparison and review of Lenovo ThinkPad L14 Gen 3 (21C1) and Dell Precision 3571. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 32.54 cm x 21.7 cm x 1.983 cm | 35.78 cm x 23.33 cm x 2.405 cm |
Weight | 1.39 kg | 1.79 kg |
Case Material | Polycarbonate ABS (bottom), polycarbonate ABS (top) | - |
Colour | Thunder black | Grey |
DISPLAY | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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Screen Size (Type) | 14" - IPS | 15.6" |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
Pixel Density (ppi) | - | 141 |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | 400 cd/m² |
Colour Gamut | 45% NTSC | 100% sRGB |
Features | Anti-glare, 170° viewing angle | Anti-glare, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch, Low Blue Light technology, Super Low Power Panel (SLP) |
PROCESSOR | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
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Max Turbo Speed | 4.4 GHz | 4.7 GHz |
Number of Cores | 10-core | 14-core |
Cache | 12 MB | 24 MB |
Chipset | - | Intel H45 |
Platform Technology | - | Intel vPro Essentials |
Features | Integrated memory controller | Intel Smart Cache |
MEMORY | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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RAM | 8 GB (1 x 8 GB) | 32 GB (2 x 16 GB) |
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Max RAM Supported | 64 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR5 SDRAM |
Speed | 3200 MHz | 4800 MHz |
Rated Speed | 3200 MHz | 4800 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
Slots Qty | 2 | 2 |
Empty Slots | 1 | 0 |
STORAGE | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA RTX A1000 |
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Max Monitors Supported | 3 external monitor(s) | - |
Video Memory | - | 4 GB GDDR6 SDRAM |
Camera | Yes - 1080p | Yes |
Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter, IR camera, RGB camera |
Image Sensor Type | - | CMOS |
Frame Rate | - | 30 frames per second |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3204 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio |
Audio Features | - | MaxxAudio Pro |
COMMUNICATIONS | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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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 201 - M.2 Card | Intel Wi-Fi 6E AX 211 - M.2 2230 |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-LM |
Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
BATTERY | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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Technology | Lithium polymer | 4-cell lithium polymer |
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Battery Capacity (Size) | 57 Wh | 64 Wh |
AC ADAPTER | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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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 | 130 Watt, 5 / 20 V, 6.5 A |
INPUT | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | - |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 LAN (RJ-45) Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC) |
SOFTWARE | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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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 - English | Windows 10 Pro 64-bit Edition + Windows 11 Pro Licence - Dutch / English / French / German / Italian |
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MISCELLANEOUS | Lenovo ThinkPad L14 Gen 3 (21C1) | Dell Precision 3571 |
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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, fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader |
Security Slot Type | Kensington security slot | Noble Wedge 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, self-healing BIOS, NVMe password | ExpressCharge |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | FIPS 140-2 |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 5 °C | 0 °C |
Humidity Range Operating | 8 - 95% | 10 - 90% (non-condensing) |
Manufacturer Warranty | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
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