In depth comparison and review of Dell Inspiron 15 3511 and Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340). 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 IdeaPad S340-15IIL (Lenovo IdeaPad S340) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
sleek design
lightweight build
decent battery life
full hd display
average cpu performance
limited port selection
no dedicated gpu
plastic chassis
DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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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 | 35.8 cm x 24.5 cm x 1.79 cm |
Weight | 1.73 kg | 1.79 kg |
Case Material | - | Aluminum, polycarbonate ABS |
Colour | Carbon black | Abyss blue | Platinum grey | Onyx black |
DISPLAY | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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Screen Size (Type) | 15.6" | 15.6" - TN |
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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 | 220 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 IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
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Max Turbo Speed | 4.1 GHz | 3.4 GHz |
Number of Cores | Dual-Core | Dual-Core |
Cache | 6 MB | 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 IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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RAM | 4 GB (1 x 4 GB) | 4 GB (provided memory is soldered) |
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Max RAM Supported | 16 GB | 12 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2666 MHz | 2666 MHz |
Rated Speed | 2666 MHz | 2666 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 1 | 1 |
STORAGE | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
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AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
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Max Monitors Supported | - | 1 external monitor(s) |
Camera | Yes - HD | Yes - 720p |
Resolution | 0.92 Megapixel | 1 Megapixel |
Camera Features | 78.6 degrees, RGB camera | Privacy shutter |
Image Sensor Type | CMOS | - |
Video Resolutions | 1280 x 720 | - |
Frame Rate | 30 frames per second | - |
Sound | Stereo speakers, microphone | Stereo speakers, microphone |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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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 | M.2 Card |
Features | - | Single stream (1x1) |
BATTERY | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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Technology | 3-cell lithium polymer | Lithium Ion |
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Battery Capacity (Size) | 41 Wh | 52.5 Wh |
Battery Life | - | Up to 10.5 hours |
AC ADAPTER | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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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 IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | Yes |
Features | - | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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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 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 Headphone/microphone combo jack HDMI |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Home in S mode - English |
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Software Included | Microsoft Office (30 days trial, excludes office licence) | Microsoft Office (30 days trial) |
MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo IdeaPad S340-15IIL (Lenovo IdeaPad S340) |
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Included Accessories | Power adapter | Power adapter |
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Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Features | - | Administrator password, hard drive password, power-on password, RapidCharge |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
SAR Value | - | 1.014 W/kg (limb), 1.014 W/kg (body) |
ENERGY STAR Certified | 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 |
Model Number | - | 15IIL 81VW |