Choose Thinkpad P71 if you need:
- Processor Model at Intel Core i7 7700HQ 2.8GHz (vs Intel Core i5-7200U)
- GPU Model at NVIDIA Quadro M620 (vs Intel HD Graphics 620)
- Display Size at 17.3 inch (vs 15.6 inch)
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Side-by-side specification comparison of two reference models
Compare Thinkpad P71 vs Inspiron 5578
A full side-by-side comparison of reference models Thinkpad P71 and Inspiron 5578 within the same category.
Specifications
Side-by-side specification comparison of two reference models
| Specification | Thinkpad P71 | Inspiron 5578 |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Lenovo | Dell |
| Product Family | ThinkPad | Dell Inspiron |
| Model | Thinkpad P71 | Inspiron 5578 |
| Model Number | — | Inspiron 5578 |
| Launch Year | 2017 year | 2017 year |
| Form Factor | Clamshell | Convertible 2-in-1 |
| Laptop Category | Mainstream | 2-in-1 |
| Operating System | Windows 10 | Windows 10 |
| Operating System Architecture | 64-bit | 64-bit |
| Processor | ||
| Processor Manufacturer | Intel | Intel |
| Processor Family | Intel Core i7 | Intel Core i5 |
| Processor Model | Intel Core i7 7700HQ 2.8GHz | Intel Core i5-7200U |
| Processor Generation | 7th Gen | 7th Gen (Kaby Lake) |
| CPU Architecture | x86-64 | Kaby Lake |
| CPU Process Node | 14 nm | 14 nm |
| CPU Cores | 4 cores | 2 cores |
| Efficiency Cores | 0 cores | 0 cores |
| CPU Threads | 8 threads | 4 threads |
| CPU Base Clock | 2.8 GHz | 2.5 GHz |
| CPU Max Boost Clock | 3.8 GHz | 3.1 GHz |
| L2 Cache | — | 0.5 MB |
| L3 Cache | 6 MB | 3 MB |
| Processor Base Power | 45 W | 15 W |
| Maximum Processor Power | — | 25 W |
| CPU Manageability Technology | Not Intel vPro eligible | Intel Standard Manageability; Intel vPro not supported |
| Graphics | ||
| Graphics Type | Discrete | Integrated |
| GPU Manufacturer | NVIDIA | Intel |
| GPU Model | NVIDIA Quadro M620 | Intel HD Graphics 620 |
| GPU Architecture | NVIDIA Maxwell | Intel Gen9.5 |
| VRAM Capacity | 2 GB | 0 GB |
| VRAM Type | GDDR5 | Shared system memory |
| GPU TGP | — | 15 W |
| GPU Boost Clock | — | 1050 MHz |
| Maximum External Displays | 4 displays | 3 displays |
| Maximum External Resolution | 3840 x 2160 @ 60 Hz | 4096 x 2304 @ 60 Hz |
| Memory | ||
| Installed Memory | 8 GB | 8 GB |
| Maximum Memory | 64 GB | 16 GB |
| Memory Type | DDR4 | DDR4 |
| Memory Speed | 2400 MT/s | 2400 MT/s |
| Memory Form Factor | SO-DIMM | SO-DIMM |
| Memory Slots | 4 slots | 2 slots |
| Memory Slots Used | — | 1 slots |
| Memory Upgradeable | Yes | Yes |
| Memory Channels | Dual | Dual-channel capable |
| Storage | ||
| Primary Storage Type | SSD | SSD |
| Storage Capacity | 256 GB | 256 GB |
| Storage Interface | PCIe NVMe | SATA III / PCIe NVMe |
| Storage PCIe Generation | PCIe 3.0 | — |
| Storage Form Factor | — | 2.5-inch or M.2 |
| Installed Storage Drives | 1 drives | 1 drives |
| Maximum Storage Drives | 4 drives | 1 drives |
| M.2 Storage Slots | 2 slots | 1 slots |
| 2.5-inch Drive Bay | Yes | Yes |
| RAID Support | RAID 0/1 | — |
| Card Reader | Yes | Yes |
| Card Reader Formats | MMC, SD, SDHC, SDXC | SD/SDHC/SDXC |
| Card Reader Standard | UHS-II | UHS-I |
| Display | ||
| Display Size | 17.3 inch | 15.6 inch |
| Display Resolution | 1920 x 1080 | 1920 x 1080 |
| Resolution Class | FHD | FHD |
| Display Technology | IPS LCD | LED-backlit LCD |
| Panel Type | IPS | IPS |
| Touchscreen | — | Yes |
| Refresh Rate | 60 Hz | 60 Hz |
| Display Brightness | 300 nits | 220 nits |
| Color Depth | — | 8-bit |
| Contrast Ratio | 800:1 | — |
| Aspect Ratio | 16:9 | 16:9 |
| Display Finish | Anti-glare | Glossy |
| Adaptive Sync Technology | — | — |
| Viewing Angle | 170 horizontal / 170 vertical degree | 160° degree |
| Flicker-Free | — | Yes |
| Camera & Biometrics | ||
| Webcam Resolution | 720p | 720p HD |
| Webcam Frame Rate | — | 30 fps |
| Camera Features | Fixed focus | — |
| Audio | ||
| Speaker Configuration | 2 x speakers | 2 speakers |
| Speaker Power | 2 x 2 W | — |
| Audio Technology | HD Audio | Waves MaxxAudio Pro |
| Microphone Configuration | Dual-array microphone | Digital-array microphone |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | Spill-resistant | Full-size island-style keyboard |
| Keyboard Backlight | — | Yes |
| Keyboard RGB Zones | 0 zones | — |
| Numeric Keypad | Yes | Yes |
| Spill-Resistant Keyboard | Yes | — |
| Touchpad Type | Buttonless multi-touch clickpad | Multi-touch precision touchpad |
| Touchpad Material | Mylar surface | — |
| Pointing Stick | Yes | — |
| Wireless & Networking | ||
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 (802.11ac) |
| Wi-Fi IEEE Standard | 802.11ac | 802.11ac |
| Wi-Fi Bands | 2.4 GHz, 5 GHz | 2.4 GHz; 5 GHz |
| Wi-Fi Spatial Streams | 2x2 | 2x2 |
| Wi-Fi Module | Intel Dual Band Wireless-AC 8265 | Intel dual-band wireless |
| Bluetooth Version | 4.1 | 4.2 |
| Ethernet | Yes | — |
| Ethernet Speed | 1 GbE | Not present |
| WWAN | Optional | No |
| SIM Slot | Micro-SIM | — |
| Ports & Expansion | ||
| USB Type-A Port Count | 4 ports | 3 ports |
| USB Type-A Specifications | USB 5Gbps | USB 3.x Type-A |
| USB Type-C Port Count | 2 ports | 0 ports |
| USB Type-C Specifications | Thunderbolt 3, DisplayPort | — |
| USB4 Port Count | 0 ports | 0 ports |
| Thunderbolt Port Count | 2 ports | 0 ports |
| Thunderbolt Version | Thunderbolt 3 | — |
| HDMI Port Count | 1 ports | 1 ports |
| HDMI Version | 1.4b | HDMI 1.4 |
| DisplayPort Output | Mini DisplayPort 1.2a, Thunderbolt 3 | — |
| RJ-45 Port Count | 1 ports | 0 ports |
| 3.5 mm Audio Combo Port Count | 1 ports | 1 ports |
| SD Card Slot Count | 1 ports | 1 ports |
| microSD Card Slot Count | 0 ports | 0 ports |
| Smart Card Reader | Optional | No |
| Security Lock Slot | Yes | Yes |
| Dedicated Docking Connector | Yes | — |
| Internal PCIe Slots | M.2 storage, WLAN and optional WWAN slots | 1 M.2 storage slot(s) |
| Battery & Power | ||
| Battery Capacity | 96 Wh | 42 Wh |
| Battery Cells | 8 cells | 3 cells |
| Battery Chemistry | Li-ion | Lithium-ion |
| Battery Life | 14.25 hours | — |
| Battery Life Test Method | MobileMark 2014 | — |
| Power Adapter | — | 65 W |
| Power Connector | Lenovo slim-tip | Barrel power connector |
| USB-C Charging | Yes | — |
| Dimensions & Build | ||
| Width | 416 mm | 380.9 mm |
| Depth | 275.5 mm | 253.1 mm |
| Thickness | 34.2 mm | 20.2 mm |
| Weight | 3.4 kg | 2.3 kg |
| Chassis Material | Glass-Fiber Reinforced Plastic, Magnesium/Aluminum | Aluminum; plastic |
| Lid Material | Glass-Fiber Reinforced Plastic + PPS | Aluminum |
| Base Material | Magnesium/Aluminum | Plastic |
| Hinge Opening Angle | 180 degree | 360 degree |
| MIL-STD Testing | MIL-STD-810G | Not claimed |
| IP Rating | No rated ingress protection | — |
| Security & Manageability | ||
| TPM | dTPM 2.0 | TPM 2.0 |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Secure Boot | Yes | Yes |
| Enterprise Manageability | No Intel vPro platform eligibility | Consumer BIOS/UEFI management |
| Smart Card Support | Optional | No |
| BIOS Recovery / Self-Healing | — | BIOS recovery supported |
| Sensors | ||
| Accelerometer | — | Yes |
| Gyroscope | — | Yes |
| Hall Sensor | — | Yes |
| Certifications & Sustainability | ||
| ENERGY STAR | ENERGY STAR 6.1 | Not claimed |
| EPEAT | Gold | Not claimed |
| TCO Certified | — | Not claimed |
| RoHS Compliance | Yes | Yes |
| Recycled Materials | — | Not claimed |
| Environment & Warranty | ||
| Operating Temperature | 5 to 35 °C | 5 to 35 °C |
| Operating Humidity | — | 10 to 90 (non-condensing) % RH |
| Storage Temperature | — | -20 to 60 °C |
| Warranty | — | 1 years |
| Warranty Type | — | Limited hardware warranty; region dependent |
Summary: Which Product Should You Choose?
Choose Inspiron 5578 if you need:
- Processor Model at Intel Core i5-7200U (vs Intel Core i7 7700HQ 2.8GHz)
- GPU Model at Intel HD Graphics 620 (vs NVIDIA Quadro M620)
- Display Size at 15.6 inch (vs 17.3 inch)
What is the difference between Thinkpad P71 and Inspiron 5578?
Thinkpad P71 and Inspiron 5578 share specifications such as Installed Memory (8 GB), Storage Capacity (256 GB), Display Resolution (1920 x 1080), Launch Year (2017 year).
The main differences: Processor Model (Thinkpad P71: Intel Core i7 7700HQ 2.8GHz, Inspiron 5578: Intel Core i5-7200U); GPU Model (Thinkpad P71: NVIDIA Quadro M620, Inspiron 5578: Intel HD Graphics 620); Display Size (Thinkpad P71: 17.3 inch, Inspiron 5578: 15.6 inch).
Thinkpad P71 may suit users who need its differing values, while Inspiron 5578 benefits those who need its paired strengths. Review the specs table above before deciding.