| Attribute |
Lenovo ThinkPad P71 (20HKS0KQ00) × | 
Alienware 15 R3 (A15 I581TG1050TIW10S) × |
| General | | |
| Model | Lenovo ThinkPad P71 | Alienware 15 R3 |
| Product code | 20HKS0KQ00 | A15 I581TG1050TIW10S |
| Design | | |
| Product colour | Black | - |
| Form factor | Clamshell | Clamshell |
| Brand | Lenovo | Alienware |
| Family | ThinkPad | - |
| Series | P | - |
| Model name | P71 | 15 R3 |
| Part number | 20HKS0KQ00 | A15_I581TG1050TIW10S |
| Market positioning | - | Gaming |
| Release year (year) | 2019 | 2017 |
| Processor | | |
| Processor family | 7th gen Intel Core i7 | 7th gen Intel Core i5 |
| Processor frequency (GHz) | 2.9 | 2.5 |
| Processor boost frequency (GHz) | 3.9 | 3.5 |
| Processor model | i7-7820HQ | i5-7300HQ |
| Processor cores | 4 | 4 |
| Processor threads | 8 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor cache (MB) | 8 | 6 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 64 | 32 |
| Memory clock speed (MHz) | 2,400 | 2,400 |
| Internal memory (GB) | 32 | 8 |
| Display | | |
| Display diagonal (inch) | 17.3 | 15.6 |
| Panel type | IPS | - |
| HD type | - | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | - | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter model | - | NVIDIA GeForce GTX 1050 |
| Discrete graphics adapter | - | + |
| Discrete graphics adapter memory (GB) | - | 2 |
| On-board graphics adapter base frequency (MHz) | 350 | 350 |
| Maximum on-board graphics adapter memory (GB) | 64 | 64 |
| On-board graphics adapter model | Intel HD Graphics 630 | Intel HD Graphics 630 |
| Storage | | |
| Total storage capacity (GB) | 1,000 | 1,000 |
| Card reader integrated | + | - |
| Storage media | - | HDD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | | |
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.1 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 4 | 2 |
| USB 3.x Type-C ports | 2 | 1 |
| Combo headphone/mic port | + | + |
| Docking connector | + | - |
| USB Sleep-and-Charge | + | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Speaker power (W) | 2 | - |
| Audio chip | Realtek ALC3268 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera HD type | HD | - |
| Keyboard | | |
| Numeric keypad | + | - |
| Keyboard backlit | - | + |
| Full-size keyboard | - | + |
| Pointing device | ThinkPad UltraNav | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Pro | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 96 | 68 |
| Weight and dimensions | | |
| Weight (kg) | 3.3 | 3.49 |
| Height (mm) | - | 25.4 |
| Depth (mm) | 275.5 | 305 |
| Width (mm) | 416 | 389 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | - |
| Trusted platform module (TPM) | + | - |