| Attribute |
DELL XPS 7390 (CAX115BHLCES32ON3OJP) × | 
Microsoft Surface Laptop Surface Laptop 3 (PLJ-00004) × |
| General | | |
| Model | DELL XPS 7390 | Microsoft Surface Laptop Surface Laptop 3 |
| Product code | CAX115BHLCES32ON3OJP | PLJ-00004 |
| Design | | |
| Product colour | Black, Platinum, Silver | Black |
| Form factor | Convertible (Folder) | Clamshell |
| Brand | DELL | Microsoft |
| Family | XPS | Surface Laptop |
| Series | 13 | 3 |
| Model name | 7390 | Surface Laptop 3 |
| Part number | CAX115BHLCES32ON3OJP | PLJ-00004 |
| Market positioning | - | Business |
| Release year (year) | 2019 | 2019 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | 10th gen Intel Core i7 | 10th gen Intel Core i7 |
| Processor frequency (GHz) | 1.3 | 1.3 |
| Processor boost frequency (GHz) | 3.9 | 3.9 |
| Processor model | i7-1065G7 | i7-1065G7 |
| Processor cores | 4 | 4 |
| Processor threads | 8 | 8 |
| Processor lithography (Nm) | 10 | 10 |
| Processor socket | BGA 1526 | BGA 1526 |
| Processor cache (MB) | 8 | 8 |
| Memory | | |
| Internal memory type | LPDDR4x-SDRAM | LPDDR4x-SDRAM |
| Maximum internal memory (GB) | 32 | 16 |
| Memory clock speed (MHz) | 3,733 | 3,733 |
| Internal memory (GB) | 32 | 16 |
| Display | | |
| Display diagonal (inch) | 13.4 | 13.5 |
| Panel type | WLED | - |
| HD type | UHD+ | - |
| LED backlight | + | - |
| Touchscreen | + | + |
| Maximum refresh rate (Hz) | 60 | - |
| Dual-screen | - | - |
| Display resolution | 3840 x 2400 pixels | 2256 x 1504 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| On-board graphics adapter model | Intel Iris Plus Graphics | Intel Iris Plus Graphics |
| Storage | | |
| Total storage capacity (GB) | 1,000 | 1,000 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 1,000 | 1,000 |
| Card reader integrated | + | - |
| SSD form factor | - | M.2 |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | | |
| Bluetooth | + | + |
| Ethernet LAN | - | - |
| Wi-Fi | + | + |
| Bluetooth version | 5.0 | 5.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | - | 1 |
| USB 3.x Type-C ports | - | 1 |
| Combo headphone/mic port | + | + |
| Docking connector | - | + |
| Audio | | |
| Speaker power (W) | 2 | - |
| Audio chip | Realtek ALC3281-CG | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | 0.9 | - |
| Front camera HD type | HD | HD |
| Front camera resolution (pixels) | 1280 x 720 | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | - | - |
| Keyboard backlit | + | - |
| Full-size keyboard | + | - |
| Pointing device | Touchpad | Trackpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 Pro |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 51 | - |
| Battery life (max) (h) | - | 11.5 |
| Weight and dimensions | | |
| Weight (kg) | 1.33 | 1.31 |
| Height (mm) | - | 14.5 |
| Depth (mm) | 207.4 | 223 |
| Width (mm) | 296.4 | 308 |
| Security | | |
| Trusted platform module (TPM) | - | + |