Detailed comparison and review of Dell Inspiron 15 3511 and Lenovo ThinkPad P50. 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 Lenovo ThinkPad P50 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
powerful processor options
high-resolution display
good thermal management
heavy and bulky
average battery life
expensive base model
limited aesthetic appeal
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 1.73 kg | 2.6 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | Carbon black | - |
| DISPLAY | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Screen Size (Type) | 15.6" | 15.6" - 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, 160° viewing angle |
| PROCESSOR | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i7 6MUXHQ |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | - |
| Number of Cores | Dual-Core | - |
| Cache | 6 MB | - |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel CM236 Express |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 16 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2133 MHz |
| Rated Speed | 2666 MHz | 2133 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | 4 |
| Empty Slots | 1 | - |
| STORAGE | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA Quadro M1000M |
|---|---|---|
| Camera | 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 | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3268 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 2230 | Intel Dual Band Wireless-AC 8260 |
| Network Interface | - | Gigabit Ethernet |
| BATTERY | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | - |
| AC ADAPTER | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 170 Watt |
| INPUT | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Slots | - | 1 x ExpressCard/34 (1 free) |
|---|---|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
3 x USB 3.0 USB 3.0 (Always On) USB-C (supports Thunderbolt 3) Mini DisplayPort HDMI LAN Dock Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | Lenovo Solution Center, Lenovo Companion, Lenovo Settings, McAfee LiveSafe (30 days trial), SHAREit, Microsoft Office |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Lenovo ThinkPad P50 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | - | Trusted Platform Module (TPM 1.2 and TPM 2.0), fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, hard drive password, power-on password, ThinkEngine, MIL-STD-810G tested |
| Compliant Standards | - | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 |
| 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 - 2 years - pick-up and return |
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