Dell Latitude 7640 User manual

Latitude 7640
Technical Guidebook
Regulatory Model: P126F
Regulatory Type: P126F001
May 2023
Rev. A01

Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.

Chapter 1: Views of Latitude 7640................................................................................................. 5
Right....................................................................................................................................................................................... 5
Left..........................................................................................................................................................................................5
Top.......................................................................................................................................................................................... 6
Display.....................................................................................................................................................................................7
Bottom................................................................................................................................................................................... 8
Service Tag........................................................................................................................................................................... 8
Battery charge and status light ...................................................................................................................................... 9
Chapter 2: Specifications of Latitude 7640.................................................................................. 10
Dimensions and weight.....................................................................................................................................................10
Processor............................................................................................................................................................................. 10
Chipset.................................................................................................................................................................................. 11
Operating system................................................................................................................................................................11
Memory................................................................................................................................................................................. 11
External ports......................................................................................................................................................................12
Internal slots........................................................................................................................................................................12
Wireless module..................................................................................................................................................................12
WWAN module....................................................................................................................................................................13
Audio..................................................................................................................................................................................... 14
Storage................................................................................................................................................................................. 14
Keyboard.............................................................................................................................................................................. 15
Camera................................................................................................................................................................................. 15
Clickpad................................................................................................................................................................................ 16
Power adapter.....................................................................................................................................................................17
Battery.................................................................................................................................................................................. 17
Display...................................................................................................................................................................................19
Fingerprint reader (Optional)......................................................................................................................................... 20
Sensor .................................................................................................................................................................................20
GPU—Integrated.............................................................................................................................................................. 20
Multiple display support matrix.......................................................................................................................................21
Hardware security..............................................................................................................................................................21
Smart-card reader............................................................................................................................................................. 21
Contactless smart-card reader.................................................................................................................................21
Contacted smart-card reader...................................................................................................................................23
Operating and storage environment.............................................................................................................................24
Chapter 3: Engineering specifications......................................................................................... 25
Wireless module.................................................................................................................................................................25
Intel AX211, 2x2 MIMO, 2400 Mbps, 2.4/5/6 GHz, Wi-Fi 6E (WiFi 802.11ax), Bluetooth wireless
card.............................................................................................................................................................................25
GPU—Integrated.............................................................................................................................................................. 26
Intel Iris XeGraphics................................................................................................................................................... 26
Video port and resolution matrix....................................................................................................................................27
Contents
Contents 3

Storage.................................................................................................................................................................................27
M.2 2230, 256 GB, PCIe NVMe Gen4 x4, Class 35 SSD...................................................................................27
M.2 2230, 512 GB, PCIe NVMe Gen4 x4, Class 35 SSD................................................................................... 28
M.2 2230, 1 TB, PCIe NVMe Gen4 x4, Class 35 SSD.........................................................................................28
M.2 2230, 2 TB, PCIe NVMe Gen4 x4, Class 25 SSD........................................................................................29
M.2 2230, 256 GB, PCIe NVMe Gen4 x4, Opal Self-Encrypting, Class 35 SSD......................................... 29
Power adapter................................................................................................................................................................... 30
Accessories..........................................................................................................................................................................31
Security................................................................................................................................................................................32
Software security........................................................................................................................................................ 32
Dell ControlVault 3.0 ................................................................................................................................................. 32
Trusted Platform Module...........................................................................................................................................33
Thermal specifications..................................................................................................................................................... 33
Thermal and acoustic improvements............................................................................................................................33
System management features....................................................................................................................................... 34
Dell Client Command Suite for In-Band systems management ...................................................................... 34
Out of Band Systems Management........................................................................................................................35
Chapter 4: ComfortView Plus...................................................................................................... 36
Chapter 5: Dell Optimizer............................................................................................................ 37
Chapter 6: Color, material, and finish ......................................................................................... 38
Chapter 7: Keyboard shortcuts of Latitude 7640......................................................................... 40
Chapter 8: Getting help and contacting Dell................................................................................ 42
4Contents

Views of Latitude 7640
Right
1. NanoSIM slot (optional)
2. Universal audio port
3. USB 3.2 Gen 1 port
4. USB 3.2 Gen 1 port with PowerShare
5. Wedge-shaped lock slot
Left
1. HDMI 2.0 port
2. Thunderbolt 4 ports with DisplayPort Alt Mode/USB4/Power Delivery
3. Thunderbolt 4 ports with DisplayPort Alt Mode/USB4/Power Delivery
4. Battery indicator LED
5. Smart-card reader slot (optional)
1
Views of Latitude 7640 5

Top
1. Dual array microphone
2. Camera shutter
3. Power button with fingerprint reader (optional)
4. Keyboard
5. Speaker
6. Clickpad
7. Speaker
6Views of Latitude 7640

Display
1. IR emitter (optional)
2. IR camera (optional)
3. RGB camera
4. Camera indicator LED
5. Ambient Light Sensor (ALS, optional)
6. LCD panel
Views of Latitude 7640 7

Bottom
1. Speakers
2. Air vents
3. Service Tag
Service Tag
The service tag is a unique alphanumeric identifier that allows Dell service technicians to identify the hardware components in
your computer and access warranty information.
8Views of Latitude 7640

Battery charge and status light
The following table lists the battery charge and status light behavior of your Latitude 7640.
Table 1. Battery charge and status light behavior
Power Source LED Behavior System Power State Battery Charge Level
AC Adapter Off S0 - S5 Fully Charged
AC Adapter Solid White S0 - S5 < Fully Charged
Battery Off S0 - S5 11-100%
Battery Solid Amber (590+/-3 nm) S0 - S5 < 10%
●S0 (ON) - System is turned on.
●S4 (Hibernate) - The system consumes the least power compared to all other sleep states. The system is almost at an OFF
state, expect for a trickle power. The context data is written to hard drive.
●S5 (OFF) - The system is in a shutdown state.
Views of Latitude 7640 9

Specifications of Latitude 7640
Dimensions and weight
The following table lists the height, width, depth, and weight of your Latitude 7640.
Table 2. Dimensions and weight
Description Values
Height:
Front height 18.4 mm (0.72 in.)
Rear height 19.5 mm (0.77 in.)
Width 358 mm (14.09 in.)
Depth 250.42 mm (9.85 in.)
Weight
NOTE: The weight of your computer depends on the
configuration ordered and manufacturing variability.
4.05 lbs. (1.837 kg)
Processor
The following table lists the details of the processors that are supported by your Latitude 7640.
Table 3. Processor
Description Option one Option two Option three Option four Option five Option six Option
seven
Processor
type
13th
Generation
Intel Core
i5-1335U
13th
Generation
Intel Core
i5-1345U
13th
Generation
Intel Core
i7-1355U
13th
Generation
Intel Core
i7-1365U
13th
Generation
Intel Core
i5-1340P
13th
Generation
Intel Core
i5-1350P
13th
Generation
Intel Core
i7-1370P
Processor
wattage
15 W 15 W 15 W 15 W 28 W 28 W 28 W
Processor
core count
10 10 10 10 12 12 14
Processor
thread count
12 12 12 12 16 16 14
Processor
speed
0.9 GHz to
4.6 GHz
1.2 GHz to 4.7
GHz
1.2 GHz to 5.0
GHz
1.3 GHz to 5.2
GHz
1.4 GHz to 4.6
GHz
1.4 GHz to 4.7
GHz
1.4 GHz to 5.2
GHz
Processor
cache
12 MB 12 MB 12 MB 12 MB 12 MB 12 MB 24 MB
Integrated
graphics
Intel Iris Xe
Graphics
Intel Iris Xe
Graphics
Intel Iris Xe
Graphics
Intel Iris Xe
Graphics
Intel Iris Xe
Graphics
Intel Iris Xe
Graphics
Intel Iris Xe
Graphics
2
10 Specifications of Latitude 7640