Side by side comparison and review of Dell Inspiron 15 3511 and Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 S540-14API (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.
slim aluminum design
sharp full hd display
fast charging support
quiet cooling system
adequate port selection
average battery life
no optical drive
modest graphics performance
limited upgrade options
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 32.3 cm x 22.7 cm x 1.59 cm |
| Weight | 1.73 kg | 1.5 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | Carbon black | Mineral grey | Copper |
| DISPLAY | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| 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 |
| PROCESSOR | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | AMD Ryzen 5 3500U / 2.1 GHz |
|---|---|---|
| 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 IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2400 MHz |
| Rated Speed | 2666 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Vega 8 |
|---|---|---|
| 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, dual array microphone |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | M.2 2230 | M.2 Card |
| Features | - | Dual stream (2x2) |
| BATTERY | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 45 Wh |
| Battery Life | - | Up to 9 hours |
| AC ADAPTER | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 65 Watt |
| INPUT | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | - | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| 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 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (MultiMediaCard, microSD, microSDHC, microSDXC) |
| SOFTWARE | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | - | Administrator password, power-on password, RapidCharge |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.58 W/kg (body), 0.58 W/kg (limb) |
| 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 |
| Model Number | - | 14API 81NH |
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