Lenovo ThinkPad T15p Gen 3 (21DA) vs. Dell Latitude 7440

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad T15p Gen 3 (21DA) and Dell Latitude 7440. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo ThinkPad T15p Gen 3 (21DA) Review

Advantages and disadvantages of Lenovo ThinkPad T15p Gen 3 (21DA) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

powerful processor performance

comfortable keyboard design

ample connectivity options

efficient thermal management

heavier than competitors

average battery life

limited display brightness

premium price point

Dell Latitude 7440 Review

Advantages and disadvantages of Dell Latitude 7440 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

responsive touchpad

solid performance

heavier than competitors

average display brightness

limited graphics power

noisy under load

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T15p Gen 3 (21DA) and Dell Latitude 7440
82 % - Design
78 % - Display
85 % - Performance
85 % - Connectivity
76 % - Battery
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T15p Gen 3 (21DA) vs. Dell Latitude 7440 Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Product Type Notebook Notebook
Dimensions (WxDxH) 36.65 cm x 25 cm x 2.27 cm 31.3 cm x 22.275 cm x 1.821 cm
Weight 2.226 kg 1.322 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Aluminum
Colour Black Grey
DISPLAY Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Screen Size (Type) 15.6" - IPS 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (Full HD Plus)
Pixel Density (ppi) - 162
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Colour Support - 16.2 million colours
Features Anti-glare, 170° viewing angle, DC dimming Anti-glare, Wide Viewing Angle, 35 ms response rate, 6-bit + FRC Color Depth, 0.157 mm pixel pitch, 85° horizontal and vertical viewing angle
PROCESSOR Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
CPU Intel Core i7 (12th Gen) 12700H / 2.3 GHz Intel Core i5 (13th Gen) 1345U / 1.6 GHz
Max Turbo Speed 4.7 GHz 4.7 GHz
Number of Cores 14-core 10-core
Cache 24 MB L3 - 12 MB
Platform Technology - Intel vPro Enterprise
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
RAM 16 GB (1 x 16 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR5 SDRAM - non-ECC LPDDR5 SDRAM
Speed 4800 MHz 4800 MHz
Rated Speed 4800 MHz 4800 MHz
Form Factor SO-DIMM 262-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Value 256 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35
RAID Level RAID 0, RAID 1 -
AUDIO & VIDEO Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 / Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) -
Video Memory 4 GB GDDR6 SDRAM -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 1920 x 1080 (standard), 640 x 360 (infrared)
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera)
Image Sensor Type - CMOS
Video Resolutions - 1920 x 1080
Frame Rate - 30 frames per second
Sound Stereo speakers, dual array microphone Four stereo speakers, dual array microphone
Codec Realtek ALC3287 Realtek ALC3281
Compliant Standards High Definition Audio, Dolby Audio Premium, Dolby Voice High Definition Audio
COMMUNICATIONS Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6E AX 211 Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet -
Ethernet Controller Intel I219-V -
Features Wake-on-LAN (WOL), dual stream (2x2) Dual stream (2x2), WWAN aerial
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 68 Wh 57 Wh
AC ADAPTER Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 135 Watt 65 Watt, 5 / 9 / 15 / 20 V
INPUT Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Mini LED backlit, 80-key
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Slots 2 x M.2 (PCI Express 4.0 x4) (1 free) -
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
LAN
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
Memory Card Reader Yes (SD Card) -
SOFTWARE Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 11 Pro - Dutch / English / French / German / Italian
Software Included - Microsoft Office (30 days trial, excludes office licence)
MISCELLANEOUS Lenovo ThinkPad T15p Gen 3 (21DA) Dell Latitude 7440
Included Accessories 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 Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington security slot Noble Wedge security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password ExpressCharge, ExpressChargeBoost
Compliant Standards RoHS, TCG Certified FIPS 140-2, TCG Certified, TCO Certified 9.0
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 0 °C
Humidity Range Operating 8 - 95% 10 - 90% (non-condensing)
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
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