Detailed comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad L14 Gen 1 (20U5). 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.
Advantages and disadvantages of Dell Inspiron 15 3511 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent battery life
solid build quality
intuitive touchpad
average display quality
modest processor speed
limited graphics performance
fewer USB-C ports
Advantages and disadvantages of Lenovo ThinkPad L14 Gen 1 (20U5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good security features
solid performance
reasonable price
average display quality
heavier than competitors
modest battery life
limited graphics performance
DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 33.1 cm x 23.5 cm x 2.04 cm |
Weight | 1.73 kg | 1.61 kg |
Case Material | - | Polycarbonate ABS |
Colour | Carbon black | Black |
DISPLAY | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Screen Size (Type) | 15.6" | 14" - IPS |
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LCD Backlight Technology | LED backlight | 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 | 220 cd/m² | 250 cd/m² |
Colour Gamut | 45% NTSC | 45% |
Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.179 mm pixel pitch | Anti-glare, 170° viewing angle |
PROCESSOR | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | AMD Ryzen 5 4500U / 2.3 GHz |
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Max Turbo Speed | 4.1 GHz | 4 GHz |
Number of Cores | Dual-Core | 6-core |
Cache | 6 MB | L3 - 8 MB |
64-bit Computing | - | Yes |
Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
MEMORY | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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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 | 2666 MHz | 3200 MHz |
Rated Speed | 2666 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 2 |
Empty Slots | 1 | 1 |
STORAGE | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - HD | Yes - 720p |
Resolution | 0.92 Megapixel | - |
Camera Features | 78.6 degrees, RGB camera | IR camera, ThinkShutter camera privacy |
Image Sensor Type | CMOS | - |
Video Resolutions | 1280 x 720 | - |
Frame Rate | 30 frames per second | - |
Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | M.2 2230 | Intel Wi-Fi 6 AX 200 |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Realtek RTL8111HN |
Features | - | Dual stream (2x2) |
WWAN |
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Generation | - | WWAN upgradable |
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BATTERY | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Technology | 3-cell lithium polymer | Lithium Ion |
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Battery Capacity (Size) | 41 Wh | 45 Wh |
Battery Life | - | Up to 14.36 hours |
AC ADAPTER | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt, 19.5 V, 3.34 A | 65 Watt |
INPUT | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack Dock |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD) |
SOFTWARE | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition - English |
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Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo ThinkPad L14 Gen 1 (20U5) |
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Dockable | - | Yes |
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Included Accessories | Power adapter | USB-C power adapter |
Security | - | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
Security Slot Type | - | Kensington security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | - | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
Compliant Standards | - | RoHS |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | - | EPEAT Gold |
TCO Certified | - | TCO Certified Notebooks 8 |
Max Operating Temperature | 40 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |
Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |