In depth comparison and review of Dell Inspiron 15 3511 and ASUS ZenBook S UX391UA (ET087T). 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 ASUS ZenBook S UX391UA (ET087T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
ample storage capacity
good keyboard layout
average display quality
no backlit keyboard
limited graphics performance
mediocre battery life
DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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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 | 31.1 cm x 21.3 cm x 1.29 cm |
Weight | 1.73 kg | 1 kg |
Colour | Carbon black | Deep dive blue |
DISPLAY | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Screen Size (Type) | 15.6" | 13.3" |
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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% 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 | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle |
PROCESSOR | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i7 (8th Gen) 8550U / 1.8 GHz |
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Max Turbo Speed | 4.1 GHz | 4 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 6 MB | 8 MB |
64-bit Computing | - | Yes |
Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Intel Turbo Boost Technology 2.0 |
MEMORY | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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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 | LPDDR3 SDRAM |
Speed | 2666 MHz | 2133 MHz |
Rated Speed | 2666 MHz | 2133 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | - |
Empty Slots | 1 | - |
STORAGE | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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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 SATA 6Gb/s |
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AUDIO & VIDEO | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
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Camera | Yes - HD | Yes - HD |
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 | Harman/kardon stereo speakers, array microphone |
Compliant Standards | High Definition Audio | - |
Audio Features | - | ASUS SonicMaster |
COMMUNICATIONS | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Wireless Controller | M.2 2230 | - |
BATTERY | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Technology | 3-cell lithium polymer | 4-cell |
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Battery Capacity (Size) | 41 Wh | 50 Wh |
Battery Life | - | Up to 13.5 hours |
AC ADAPTER | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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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, 20 V |
INPUT | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
Headphone/microphone combo jack USB-C 3.1 Gen 1 (Power Delivery/data/video) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) (Power Delivery/data/video) |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
SOFTWARE | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Home |
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Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
MISCELLANEOUS | Dell Inspiron 15 3511 | ASUS ZenBook S UX391UA (ET087T) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | - | Firmware Trusted Platform Module (TPM) Security Chip |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | 40 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |