| Attribute |
 DELL XPS 9575 (W34PX) × |  Lenovo ThinkPad P51 (20HJS4C300) × |
| General | | |
| Model | DELL XPS 9575 | Lenovo ThinkPad P51 |
| Product code | W34PX | 20HJS4C300 |
| Design | | |
| Product colour | Black, Silver | Black |
| Form factor | Convertible (Folder) | Clamshell |
| Brand | DELL | Lenovo |
| Family | XPS | ThinkPad |
| Series | 15 | P |
| Model name | 9575 | P51 |
| Part number | W34PX | 20HJS4C300 |
| Release year (year) | 2018 | 2018 |
| Processor | | |
| Processor family | 8th gen Intel Core i7 | Intel Xeon E3 v5 |
| Processor frequency (GHz) | 3.1 | 2.8 |
| Processor boost frequency (GHz) | 4.1 | 3.7 |
| Processor model | i7-8705G | E3-1505MV5 |
| Processor cores | 4 | 4 |
| Processor threads | 8 | 8 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 2270 | BGA 1440 |
| Processor cache (MB) | 8 | 8 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Internal memory (GB) | 16 | 16 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| Panel type | IPS | - |
| HD type | 4K Ultra HD | - |
| LED backlight | + | + |
| Touchscreen | + | - |
| Display resolution | 3840 x 2160 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter model | AMD Radeon RX Vega M GL | NVIDIA Quadro M2200M |
| Discrete graphics memory type | HBM2 | - |
| Discrete graphics adapter | + | + |
| Discrete graphics adapter memory (GB) | 4 | - |
| On-board graphics adapter base frequency (MHz) | 350 | 350 |
| Maximum on-board graphics adapter memory (GB) | 64 | 7 |
| On-board graphics adapter model | Intel HD Graphics 630 | Intel HD Graphics P530 |
| Storage | | |
| Total storage capacity (GB) | 512 | 512 |
| Number of SSDs installed | 1 | - |
| Card reader integrated | + | + |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - ieee 802.11a
- ieee 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | - | + |
| Ethernet LAN data rates (Mbit/s) | - | |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | - | 4 |
| USB 3.x Type-C ports | 2 | 1 |
| Combo headphone/mic port | + | + |
| Docking connector | - | + |
| USB Sleep-and-Charge | - | + |
| DVI port | - | - |
| HDMI ports quantity | - | 1 |
| Ethernet LAN (RJ-45) ports | - | 1 |
| Audio | | |
| Speaker power (W) | 2 | 2 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 0.9 | - |
| Front camera HD type | HD | - |
| Front camera resolution (pixels) | 1280 x 720 | - |
| Keyboard | | |
| Numeric keypad | - | + |
| Keyboard backlit | + | + |
| Pointing device | Touchpad | ThinkPad UltraNav |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 Pro |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 75 | 90 |
| Battery life (max) (h) | - | 6.1 |
| Weight and dimensions | | |
| Weight (kg) | 2 | 2.67 |
| Depth (mm) | 235 | 252.3 |
| Width (mm) | 354 | 377.4 |
| Power | | |
| AC adapter power (W) | 130 | 170 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | + |
| Trusted platform module (TPM) | - | + |