Dell Latitude 7640
16-inch business laptop from 2023 with soldered 13th Gen Intel Core U15/P28 processors, up to a 2 TB NVMe SSD, and Dell ControlVault 3+ security options, stepping the 7000 series up from 15.6-inch to 16-inch.
Memory
- Slots
- On-board memory (not upgradeable)
- Type
- Dual-channel LPDDR5
- Speed
- 4800 MT/s
- Minimum
- 8 GB
- Maximum
- 32 GB
- Configurations supported
- 8, 16 or 32 GB, dual-channel LPDDR5 at 4800 MT/s
Storage
- Slot
- One M.2 2230 slot for the SSD (primary drive)
- M.2 2230 SSD
- PCIe NVMe Gen4 x4, 256 GB/512 GB/1 TB/2 TB
- M.2 2230 SSD, SED Opal 2.0
- Self-encrypting, PCIe NVMe Gen4 x4, up to 256 GB
Graphics
- Controller
- Intel Iris Xe Graphics
- Memory
- Shared system memory
- Multiple displays
- 3 external displays with internal display on; 4 with internal display off
Expansion
- M.2 SSD
- One M.2 2230 slot
- M.2 WWAN
- One M.2 3042 slot (4G) or M.2 3052 slot (5G)
Networking
- Wi-Fi/Bluetooth
- Intel AX211 (integrated on system board), up to 2400 Mbps, 2.40/5/6 GHz, Wi-Fi 6E (802.11ax); Bluetooth 5.3
- WWAN option 1
- DW5823e, Intel XMM 7560R Global Gigabit LTE CAT16; up to 1 Gbps DL/150 Mbps UL
- WWAN option 2
- DW5932e, 5G Qualcomm Snapdragon X62 Global 5G Modem; 5G NR up to 3.5 Gbps DL/900 Mbps UL
Power
- Adapters
- 60 W AC adapter, USB-C; 65 W AC adapter, USB-C; 100 W AC adapter, USB-C
- Input
- 100-240 VAC, 50-60 Hz
- Operating temperature
- 0°C to 40°C (32°F to 104°F)
- Storage temperature
- -20°C to 70°C (60 W) or -40°C to 70°C (65 W/100 W)
Ports
- USB-C
- Two Thunderbolt 4 ports with DisplayPort Alt Mode/USB4/Power Delivery
- USB-A
- One USB 3.2 Gen 1 port; one USB 3.2 Gen 1 port with PowerShare
- Video
- One HDMI 2.0 port (plus DisplayPort over the Thunderbolt 4 ports)
- Audio
- One universal audio jack
- SIM
- One NanoSIM slot (optional)
- Security
- One wedge-shaped lock slot; optional contacted/contactless smart card reader
Display
- Options
- FHD+ (1920x1200), non-touch, 250 nits; FHD+ (1920x1200), integrated touch, 300 nits
- Panel technology
- In-Plane Switching (IPS)
- Diagonal
- 406.46 mm (16.00 in.)
- Color gamut
- 45% NTSC (non-touch); 72% NTSC (touch)
- Contrast ratio
- 800:1 (non-touch, min.); 600:1 (touch, min.)
- Response time
- 35 ms maximum
- Refresh rate
- 60 Hz
- View angles
- 80° minimum / 85° typical
- Finish
- Anti-glare
Battery
- Options
- 2-cell, 38 Wh, lithium ion; 3-cell, 57 Wh, lithium ion; both also offered in Long Lifecycle variants
- Charging
- Express Charge Boost 0-35% in 20 minutes; Standard/Express charge up to 4 hours 0-100%
- Coin-cell
- Rechargeable RTC coin cell, 60-day battery life
Physical
- Dimensions
- 358 x 250.42 mm; front 18.4 mm / rear 19.5 mm thick
- Weight
- 1.837 kg (4.05 lb), depends on configuration
- Keyboard
- New Pro 2.5 battery-saving mini LED backlit keyboard, QWERTY, 79 keys (US)
- Touchpad (clickpad)
- 133 x 90 mm
- Speakers
- Four speakers (Realtek ALC3281); 2 W average / 2.5 W peak
- Camera
- FHD RGB+IR MIPI camera (1920x1080), or 3.8 mm FHD RGB webcam
- Operating environment
- 0-35°C, 10-90% RH (non-condensing), altitude -15.2 m to 3048 m
- Storage environment
- -40-65°C, 0-95% RH (non-condensing), altitude -15.2 m to 10668 m
Management
- Fingerprint reader (optional)
- Capacitive sensor in the power button, 500 or 508 dpi
- TPM
- Trusted Platform Module (TPM) 2.0 discrete, FIPS 140-2 and TCG certified
- Smart card reader (optional)
- Dell ControlVault 3 contacted and contactless/NFC readers; EMVCo, PC/SC, CCID and Windows-certified
Operating systems
- Windows
- Windows 11 2022H2; Windows 11 2021H2; Windows 11 Pro Downgrade (Windows 10 image factory installed)
- Linux
- Ubuntu 22.04, 64-bit
Processors
- Intel Core i5-1335U
- Intel Core i5-1345U
- Intel Core i7-1355U
- Intel Core i7-1365U
- Intel Core i5-1340P
- Intel Core i5-1350P
- Intel Core i7-1370P