DELL 15 DC15250 Intel Core i7-1355U 16GB RAM 512GB SSD 15.6" Windows 11 Home Laptop
£886.99
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- Windows 11 Home 64-bit
- Intel Core i7-1355U (12MB Cache)
- 15.6" Full HD 1920 x 1080 IPS
- 16GB DDR4-SDRAM (1 x 16) & 512GB SSD
Effortlessly chic. Always efficient.
A 15-inch laptop with a built-in camera up to FHD, enlarged ergonomic keyboard and Intel® processors.
| Design | |
|---|---|
| Product type | Laptop |
| Product colour | Black |
| Form factor | Clamshell |
| Housing material | Plastic |
| Introduction year | 2025 |
| Display | |
|---|---|
| Display diagonal | 39.6 cm (15.6") |
| Display resolution | 1920 x 1080 pixels |
| Touchscreen | No |
| HD type | Full HD |
| Panel type | IPS |
| LED backlight | Yes |
| Native aspect ratio | 16:9 |
| Anti-glare screen | Yes |
| Display brightness | 250 cd/m² |
| Pixel density | 141 ppi |
| Colour gamut | 45% |
| RGB colour space | NTSC |
| Display diagonal (metric) | 39.487 cm |
| Display response rise/fall | 35 ms |
| Maximum refresh rate | 120 Hz |
| Contrast ratio (typical) | 600:1 |
| Processor | |
|---|---|
| Processor manufacturer | Intel |
| Processor family | Intel® Core™ i7 |
| Processor generation | 13th gen Intel® Core™ i7 |
| Processor model | i7-1355U |
| Processor cores | 10 |
| Processor threads | 12 |
| Processor boost frequency | 5 GHz |
| Performance cores | 2 |
| Efficient cores | 8 |
| Performance-core Max Turbo Frequency | 5 GHz |
| Efficient-core Max Turbo Frequency | 3.7 GHz |
| Processor cache | 12 MB |
| Processor cache type | Smart Cache |
| Processor socket | BGA 1744 |
| Maximum turbo power | 55 W |
| Processor base power | 15 W |
| Memory | |
|---|---|
| Internal memory | 16 GB |
| Internal memory type | DDR4-SDRAM |
| Memory form factor | SO-DIMM |
| Memory layout (slots x size) | 1 x 16 GB |
| Memory slots | 2x SO-DIMM |
| Maximum internal memory | 16 GB |
| Memory channels | Single-channel |
| Storage | |
|---|---|
| Total storage capacity | 512 GB |
| Storage media | SSD |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 512 GB |
| NVMe | Yes |
| SSD interface | PCI Express 4.0 |
| M.2 SSD size | 2230 (22 x 30 mm) |
| SSD form factor | M.2 |
| Optical drive type | No |
| Card reader integrated | Yes |
| Compatible memory cards | SD, SDHC, SDXC |
| Graphics | |
|---|---|
| On-board graphics card | Yes |
| Discrete graphics card | No |
| Discrete graphics card model | Not available |
| On-board GPU manufacturer | Intel |
| On-board graphics card family | Intel® UHD Graphics |
| On-board graphics card model | Intel® UHD Graphics |
| Audio | |
|---|---|
| Audio system | High Definition Audio |
| Number of built-in speakers | 2 |
| Speaker power | 2.5 W |
| Number of microphones | 1 |
| Built-in microphone | Yes |
| Camera | |
|---|---|
| Front camera | Yes |
| Video capturing speed | 30 fps |
| Network | |
|---|---|
| Mobile network connection | No |
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| Wi-Fi band | Dual-band (2.4 GHz / 5 GHz) |
| Wi-Fi standards | 802.11a, Wi-Fi 5 (802.11ac), 802.11b, Wi-Fi 6 (802.11ax), 802.11g, Wi-Fi 4 (802.11n) |
| Wi-Fi data rate (max) | 1201 Mbit/s |
| Antenna type | 2x2 |
| WLAN controller manufacturer | Realtek |
| WLAN controller model | Realtek RTL8852BE |
| Bluetooth | Yes |
| MIMO type | Multi User MIMO |
| MIMO | Yes |
| Ports & interfaces | |
|---|---|
| USB 2.0 ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 1.4 |
| Combo headphone/mic port | Yes |
| Power adapter barrel connector | 4.5 mm |
| Keyboard | |
|---|---|
| Pointing device | Touchpad |
| Keyboard language | UK English |
| Keyboard backlit | No |
| Numeric keypad | Yes |
| Software | |
|---|---|
| Operating system installed | Windows 11 Home |
| Operating system architecture | 64-bit |
| Battery | |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Number of battery cells | 3 |
| Battery voltage | 11.25 V |
| Battery capacity | 41 Wh |
| Battery recharge time | 4 h |
| Fast charging | Yes |
| Battery charge indicator | Yes |
| Battery weight | 190 g |
| Power | |
|---|---|
| AC adapter power | 65 W |
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output current | 3.34 A |
| AC adapter output voltage | 19.5 V |
| DC-in jack | Yes |
| USB Type-C charging port | No |
| Security | |
|---|---|
| Trusted Platform Module (TPM) version | 2.0 |
| Trusted Platform Module (TPM) | Yes |
| Operational conditions | |
|---|---|
| Operating temperature (T-T) | 0 - 35 °C |
| Storage temperature (T-T) | -40 - 65 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 0 - 95% |
| Operating altitude | 0 - 3048 m |
| Non-operating altitude | 0 - 10668 m |
| Operating shock | 110 G |
| Non-operating shock | 160 G |
| Operating vibration | 0.66 G |
| Non-operating vibration | 1.3 G |
| Certificates | |
|---|---|
| Wi-Fi certified | Yes |
| Weight & dimensions | |
|---|---|
| Weight | 1.62 kg |
| Width | 358.5 mm |
| Depth | 235.6 mm |
| Height (front) | 1.7 cm |
| Height (rear) | 1.9 cm |
