Lenovo ThinkBook 14 G4 ABA (21DK) Review

Advantages and disadvantages of Lenovo ThinkBook 14 G4 ABA (21DK) based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum design

efficient Ryzen processor

comfortable keyboard layout

affordable price point

solid state drive included

average battery life

no thunderbolt support

dim display brightness

limited graphics performance

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

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14 G4 ABA (21DK) and Dell Latitude 5540
82 % - Design
72 % - Display
82 % - Performance
85 % - Connectivity
76 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14 G4 ABA (21DK) vs. Dell Latitude 5540 Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Product Type Notebook Notebook
Dimensions (WxDxH) 32.3 cm x 21.8 cm x 1.79 cm 35.78 cm x 23.33 cm x 2.28 cm
Weight 1.4 kg 1.613 kg
Case Material Aluminum -
Colour Dual tone mineral grey Grey
DISPLAY Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Screen Size (Type) 14" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) - 141
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
Features Anti-glare, 170° viewing angle Anti-glare, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch
PROCESSOR Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.3 GHz 4.6 GHz
Number of Cores 6-core 10-core
Cache L3 - 16 MB L3 - 12 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
RAM 8 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported 40 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 2
Empty Slots 1 1
STORAGE Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35
AUDIO & VIDEO Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 1920 x 1080 (standard), 640 x 360 (infrared)
Resolution - 2.07 Megapixel (standard), 0.23 Megapixel (infrared)
Camera Features Privacy shutter, 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 Stereo speakers, dual array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio
Audio Features - Output: MaxxAudio 12.0, Realtek Waves
COMMUNICATIONS Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card Intel Wi-Fi 6E AX 211 - M.2 2230
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Wake-on-LAN (WOL), dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 45 Wh 54 Wh
Battery Life Up to 8 hours -
Battery Run Time Local video (1080p) playback time (150 nits): up to 8 hours -
AC ADAPTER Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Input AC 100-240 V (50/60 Hz) AC 100-200 V (50/60 Hz)
Output 65 Watt 65 Watt, 5 / 9 / 15 / 20 V
INPUT Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad -
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Slots 1 x M.2 (PCI Express 3.0 x4) (0 free)
1 x M.2 (PCI Express 3.0 x4) (1 free)
-
Interfaces 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
HDMI
LAN
Headphone/microphone combo jack
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
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD, microSDHC, microSDXC)
SOFTWARE Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Operating System (OS) Windows 11 Pro - English Windows 11 Pro - Dutch / English / French / German / Italian
Software Included Microsoft Office (Trial) Microsoft Office (30 days trial, excludes office licence)
MISCELLANEOUS Lenovo ThinkBook 14 G4 ABA (21DK) Dell Latitude 5540
Included Accessories USB-C power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington nano 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, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro ExpressCharge, Dell ControlVault 3, ExpressChargeBoost
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 6, TUV Rheinland Low Blue Light (Software Solution) 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 Limited warranty - 1 year - pick-up and return -
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