In depth comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad A485 (20MU). 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 A485 (20MU) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
reliable performance
good security features
decent battery life
mediocre display quality
heavier design
limited graphics power
no thunderbolt support
DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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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 | 33.66 cm x 23.25 cm x 1.995 cm |
Weight | 1.73 kg | 1.65 kg |
Case Material | - | Glass-fibre reinforced plastic, polyphenylene sulfide |
Colour | Carbon black | Black |
DISPLAY | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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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 | - |
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 |
PROCESSOR | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | AMD Ryzen 5 Pro 2500U / 2 GHz |
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Max Turbo Speed | 4.1 GHz | 3.6 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 6 MB | L2 - 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 A485 (20MU) |
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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 | 32 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2666 MHz | 2400 MHz |
Rated Speed | 2666 MHz | 2666 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 A485 (20MU) |
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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 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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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 | 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 Premium |
COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | M.2 2230 | Realtek RTL8822BE - M.2 Card |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Realtek RTL8111GUL |
BATTERY | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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Technology | 3-cell lithium polymer | Lithium Ion |
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Installed Qty | - | 2 |
Battery Capacity (Size) | 41 Wh | 24 Wh |
Battery Life | - | Up to 10.76 hours |
AC ADAPTER | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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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 A485 (20MU) |
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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 A485 (20MU) |
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Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB 3.1 Gen 1 (Always On) USB 3.1 Gen 2 2 x USB-C 3.1 Gen 2 HDMI LAN Headphone/microphone combo jack Dock |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS Card) |
SOFTWARE | Dell Inspiron 15 3511 | Lenovo ThinkPad A485 (20MU) |
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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 A485 (20MU) |
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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 mini security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | - | Administrator password, hard drive password, power-on password, 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 - 3 years - pick-up and return Limited warranty - battery - 1 year |