In depth comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad X395 (20NL). 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 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 X395 (20NL) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
efficient performance
compact and portable
average display brightness
limited storage capacity
no dedicated GPU
higher price point
DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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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 | 31.19 cm x 21.72 cm x 1.69 cm |
Weight | 1.73 kg | 1.28 kg |
Case Material | - | Glass-fibre, magnesium-aluminum alloy, polyphenylene sulfide |
Colour | Carbon black | Black |
DISPLAY | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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Screen Size (Type) | 15.6" | 13.3" - 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 | 300 cd/m² |
Colour Gamut | 45% NTSC | 72% |
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 X395 (20NL) |
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CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | AMD Ryzen 5 Pro 3500U / 2.1 GHz |
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Max Turbo Speed | 4.1 GHz | 3.7 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 6 MB | L3 - 4 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 X395 (20NL) |
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RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
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Max RAM Supported | 16 GB | - |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2666 MHz | 2400 MHz |
Rated Speed | 2666 MHz | 2666 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | - |
Empty Slots | 1 | - |
STORAGE | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Samsung |
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AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Vega 8 |
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Camera | Yes - HD | Yes - 720p |
Resolution | 0.92 Megapixel | - |
Camera Features | 78.6 degrees, RGB camera | - |
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 Premium |
COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | M.2 2230 | Intel Dual Band Wireless-AC 9260 |
Compliant Standards | - | DASH |
Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
BATTERY | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
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Battery Capacity (Size) | 41 Wh | 48 Wh |
Battery Life | - | Up to 14.5 hours |
AC ADAPTER | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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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, 5 / 9 / 15 / 20 V |
INPUT | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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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 |
CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB 3.1 Gen 2 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack HDMI Lenovo Ethernet extension connector Dock |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD) |
SOFTWARE | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition |
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Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo ThinkPad X395 (20NL) |
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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 |
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 |
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 |