In depth comparison and review of Dell Inspiron 3505 and Lenovo ThinkPad P51. 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 3505 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
sufficient connectivity options
includes numeric keypad
average display quality
modest graphics performance
slower HDD base model
limited upgradeability
Advantages and disadvantages of Lenovo ThinkPad P51 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
powerful processor performance
high-resolution display
good connectivity options
heavy and bulky
expensive price point
moderate battery life
noisy under load
| DESIGN AND DIMENSIONS | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.396 cm x 24.9 cm x 1.989 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 1.83 kg | 2.67 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | Black accent | Black |
| DISPLAY | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| 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 |
| Image Brightness | 220 cd/m² | 250 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, 0.18 mm pixel pitch | Anti-glare |
| PROCESSOR | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| CPU | AMD Ryzen 5 3500U / 2.1 GHz | Intel Xeon E3-1505MV6 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel CM238 |
| Platform Technology | - | Intel vPro Platform |
| Features | - | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| RAM | 8 GB | 16 GB |
|---|---|---|
| Max RAM Supported | 16 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| STORAGE | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD |
|---|
| AUDIO & VIDEO | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Vega 8 | NVIDIA Quadro M2200 / Intel HD Graphics P630 |
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Video Memory | - | 4 GB |
| Camera | Yes - HD | Yes - 720p |
| 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 ALC3204 | Realtek ALC3268 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | MaxxAudio Pro | - |
| COMMUNICATIONS | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 2230 | - |
| Network Interface | 10/100 Ethernet | Gigabit Ethernet |
| BATTERY | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | - |
| AC ADAPTER | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19.5 V, 2.31 A | 170 Watt |
| INPUT | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Slots | - | 1 x ExpressCard/34 (1 free) |
|---|---|---|
| Interfaces | HDMI 2 x USB 3.2 Gen 1 USB 2.0 LAN Headphone/microphone combo jack |
USB 3.1 Gen 1/USB 3.0 (Always On) 3 x USB 3.1 Gen 1/USB 3.0 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) |
| SOFTWARE | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|---|---|
| Software Included | Dell Mobile Connect | - |
| MISCELLANEOUS | Dell Inspiron 3505 | Lenovo ThinkPad P51 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, hard drive password, power-on password, Intel Active Management Technology (iAMT), MIL-STD-810G tested |
| Compliant Standards | - | ISO 9001, ISO 14001, ISO 27001 |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °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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