Lenovo ThinkBook 14 G4 ABA (21DK) vs. ASUS R521JA (EJ974T)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkBook 14 G4 ABA (21DK) and ASUS R521JA (EJ974T). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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

ASUS R521JA (EJ974T) Review

Advantages and disadvantages of ASUS R521JA (EJ974T) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

lightweight design

decent battery life

adequate performance

average display quality

limited storage capacity

no backlit keyboard

basic graphics card

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14 G4 ABA (21DK) and ASUS R521JA (EJ974T)
82 % - Design
72 % - Display
82 % - Performance
85 % - Connectivity
76 % - Battery
78 % - Design
72 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14 G4 ABA (21DK) vs. ASUS R521JA (EJ974T) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.3 cm x 21.8 cm x 1.79 cm 36 cm x 23.5 cm x 2.29 cm
Weight 1.4 kg 1.9 kg
Case Material Aluminum -
Colour Dual tone mineral grey Transparent silver
DISPLAY Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Screen Size (Type) 14" - IPS 15.6"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 200 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, 83% screen-to-body ratio
PROCESSOR Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 4.3 GHz 3.6 GHz
Number of Cores 6-core Quad-Core
Cache L3 - 16 MB 6 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
RAM 8 GB (provided memory is soldered) 4 GB (provided memory is soldered)
Max RAM Supported 40 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Graphics Processor (GPU) AMD Radeon Graphics Intel UHD Graphics
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - VGA
Camera Features Privacy shutter, fixed focus -
Sound Stereo speakers, dual array microphone Speaker, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - Output: ASUS SonicMaster
COMMUNICATIONS Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller M.2 Card -
Network Interface Gigabit Ethernet -
Features Wake-on-LAN (WOL), dual stream (2x2) Single stream (1x1)
BATTERY Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Technology Lithium polymer 2-cell Lithium Ion
Battery Capacity (Size) 45 Wh 32 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) ASUS R521JA (EJ974T)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 45 Watt, 19 V, 2.37 A
INPUT Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
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
USB 3.2 Gen 1
USB-C 3.2 Gen 1
2 x USB 2.0
HDMI
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Operating System (OS) Windows 11 Pro - English Windows 10 Home
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo ThinkBook 14 G4 ABA (21DK) ASUS R521JA (EJ974T)
Included Accessories USB-C power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro -
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 6, TUV Rheinland Low Blue Light (Software Solution) -
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
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