Dell Latitude 7640 vs. Lenovo ThinkPad T14 Gen 3 (21CF)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Dell Latitude 7640 and Lenovo ThinkPad T14 Gen 3 (21CF). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Dell Latitude 7640 Review

Advantages and disadvantages of Dell Latitude 7640 based on its technical characteristics, features, user experience, expert reviews and price level.

robust security features

high-resolution display

powerful processor performance

lightweight design

excellent connectivity options

higher price point

average battery life

limited color options

noisy under load

Lenovo ThinkPad T14 Gen 3 (21CF) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 3 (21CF) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

powerful processor options

good battery life

impressive security features

heavier than competitors

average display brightness

limited color options

expensive base model

Laptop Comparison and Tests

Difference between Dell Latitude 7640 and Lenovo ThinkPad T14 Gen 3 (21CF)
82 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
72 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Latitude 7640 vs. Lenovo ThinkPad T14 Gen 3 (21CF) Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.8 cm x 25.042 cm x 1.95 cm 31.77 cm x 22.69 cm x 1.79 cm
Weight 1.837 kg 1.32 kg
Case Material Aluminum Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom)
Colour - Thunder black
DISPLAY Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Screen Size (Type) 16" - IPS 14" - IPS
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1200 (Full HD Plus) 1920 x 1200 (WUXGA)
Pixel Density (ppi) 141.5 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch Anti-glare, 170° viewing angle
PROCESSOR Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
CPU Intel Core i5 (13th Gen) 1345U / 1.6 GHz AMD Ryzen 5 Pro 6650U / 2.9 GHz
Max Turbo Speed 4.7 GHz 4.5 GHz
Number of Cores 10-core 6-core
Cache L3 - 12 MB L3 - 16 MB
Platform Technology Intel vPro Enterprise -
Features Intel Smart Cache Integrated memory controller
MEMORY Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM LPDDR5 SDRAM
Speed 4800 MHz 6400 MHz
Rated Speed 4800 MHz 6400 MHz
STORAGE Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 660M
Max Monitors Supported - 3 external monitor(s)
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 1920 x 1080 (standard), 640 x 360 (infrared) Yes - 1080p
Camera Features Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) Privacy shutter, IR camera, fixed focus
Image Sensor Type CMOS -
Video Resolutions 1920 x 1080, 640 x 360 -
Frame Rate 30 frames per second -
Sound Four stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3281 Realtek ALC3287
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio, Dolby Voice
COMMUNICATIONS Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Wireless Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6E AX 211 Qualcomm NFA725A
Network Interface - Gigabit Ethernet
Ethernet Controller - Realtek RTL8111EPV
Compliant Standards - DASH
Features Dual stream (2x2), WWAN aerial Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 57 Wh 52.5 Wh
Battery Life - Up to 21.1 hours
AC ADAPTER Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 45 Watt
INPUT Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Type Keyboard, ClickPad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Mini LED backlit, 80-key Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Interfaces HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI
LAN
Headphone/microphone combo jack
SOFTWARE Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Operating System (OS) Windows 11 Pro - Dutch / English / French / German / Italian Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - French
Software Included Microsoft Office (30 days trial, excludes office licence) Glance by Mirametrix
MISCELLANEOUS Dell Latitude 7640 Lenovo ThinkPad T14 Gen 3 (21CF)
Included Accessories USB-C power adapter USB-C power adapter
Integrated Options Accelerometer, hall sensor -
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader, contactless smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader
Security Slot Type Noble Wedge security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features ExpressCharge, ExpressChargeBoost Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, USB FIDO (Fast Identity Online) device integration, certificate based BIOS authentication
Compliant Standards FIPS 140-2, TCG Certified, TCO Certified 9.0 RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Extended warranty - 1 year - on-site
Base warranty - battery - 1 year
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