Detailed comparison and review of Dell Inspiron 15 3511 and Dell Latitude 7420. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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 Dell Latitude 7420 based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust security features
fast charging support
high-resolution display
efficient performance
limited graphics capability
higher price point
no HDMI port
average speaker quality
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 32.135 cm x 20.869 cm x 1.888 cm |
| Weight | 1.73 kg | 1.22 kg |
| Case Material | - | Carbon fibre |
| Colour | Carbon black | Black |
| DISPLAY | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | 157 |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 400 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, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.161 mm pixel pitch |
| PROCESSOR | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.2 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, Intel Smart Cache |
| MEMORY | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 2666 MHz | 2666 MHz |
| Rated Speed | 2666 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - HD | Yes - HD |
| Resolution | 0.92 Megapixel | 0.92 Megapixel |
| Camera Features | 78.6 degrees, RGB camera | RGB camera |
| Image Sensor Type | CMOS | CMOS |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3281-CG |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 2230 | Intel Wi-Fi 6 AX 201 |
| BATTERY | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Technology | 3-cell lithium polymer | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 63 Wh |
| AC ADAPTER | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| 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, 5 / 9 / 15 / 20 V |
| INPUT | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
USB 3.2 Gen 1 (PowerShare) 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | Microsoft Office (Trial) |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Dell Latitude 7420 |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | - | Fingerprint reader, smart card reader |
| Security Slot Type | - | Noble Wedge security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | ExpressCharge |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 80% (non-condensing) |
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