Dell Latitude 5540 vs. Lenovo ThinkPad T14s Gen 4 (21F9)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Dell Latitude 5540 and Lenovo ThinkPad T14s Gen 4 (21F9). 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 5540 Review

Advantages and disadvantages of Dell Latitude 5540 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

excellent battery life

bright display

good connectivity options

heavier than competitors

basic audio quality

limited graphics performance

pricey base model

Lenovo ThinkPad T14s Gen 4 (21F9) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

impressive battery life

powerful processor options

bright display

higher price point

limited graphics performance

no OLED option

heavier than competitors

Laptop Comparison and Tests

Difference between Dell Latitude 5540 and Lenovo ThinkPad T14s Gen 4 (21F9)
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Latitude 5540 vs. Lenovo ThinkPad T14s Gen 4 (21F9) Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.78 cm x 23.33 cm x 2.28 cm 31.75 cm x 22.69 cm x 1.69 cm
Weight 1.613 kg 1.26 kg
Case Material - Aluminium (bottom), carbon fibre hybrid (top)
Colour Grey Deep black
DISPLAY Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Screen Size (Type) 15.6" - IPS 14" - IPS
Touchscreen - Yes (10-point multi-touch)
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
Pixel Density (ppi) 141 -
V-Sync Rate at Max Res. 60 Hz 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, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch Anti-glare, on-cell touch technology
PROCESSOR Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 4.6 GHz 4.9 GHz
Number of Cores 10-core 6-core
Cache L3 - 12 MB L3 - 16 MB
Features - Integrated memory controller
MEMORY Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
RAM 8 GB (1 x 8 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM - non-ECC LPDDR5X SDRAM
Speed 3200 MHz 6400 MHz
Rated Speed 3200 MHz 7500 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Main Storage Size (HDD/SSD) 256 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 - Kioxia
AUDIO & VIDEO Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 740M
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
Resolution 2.07 Megapixel (standard), 0.23 Megapixel (infrared) 5 Megapixel
Camera Features Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection
Image Sensor Type CMOS -
Video Resolutions 1920 x 1080 -
Frame Rate 30 frames per second -
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio
Audio Features Output: MaxxAudio 12.0, Realtek Waves Input: Dolby Voice, 360° far-field
COMMUNICATIONS Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Wireless Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6E AX 211 - M.2 2230 Qualcomm NFA725A
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 54 Wh 57 Wh
AC ADAPTER Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Input AC 100-200 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 65 Watt
INPUT Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Interfaces HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
LAN
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
Headphone/microphone combo jack
LAN (on supplied adapter)
Memory Card Reader Yes (microSD, microSDHC, microSDXC) -
SOFTWARE Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
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
Software Included Microsoft Office (30 days trial, excludes office licence) Glance by Mirametrix
MISCELLANEOUS Dell Latitude 5540 Lenovo ThinkPad T14s Gen 4 (21F9)
Included Accessories USB-C power adapter USB-C power adapter, Lenovo USB-C to Ethernet Adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint 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, Dell ControlVault 3, ExpressChargeBoost Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards FIPS 140-2, TCG Certified, TCO Certified 9.0 RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
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