Lenovo ThinkBook 16 G4+ IAP (21CY) vs. ASUS R521JA (EJ974T)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkBook 16 G4+ IAP (21CY) and ASUS R521JA (EJ974T). 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 ThinkBook 16 G4+ IAP (21CY) Review

Advantages and disadvantages of Lenovo ThinkBook 16 G4+ IAP (21CY) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

robust aluminum chassis

efficient thermal management

powerful processor performance

ample connectivity options

heavier than competitors

average battery life

premium price point

limited color options

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 16 G4+ IAP (21CY) and ASUS R521JA (EJ974T)
85 % - Design
85 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
78 % - Design
72 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 16 G4+ IAP (21CY) vs. ASUS R521JA (EJ974T) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.6 cm x 25.1 cm x 1.69 cm 36 cm x 23.5 cm x 2.29 cm
Weight 1.8 kg 1.9 kg
Case Material Aluminum -
Colour Dual tone arctic grey Transparent silver
DISPLAY Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Screen Size (Type) 16" - IPS 15.6"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 300 cd/m² 200 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle, DC dimmer Anti-glare, 83% screen-to-body ratio
PROCESSOR Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 4.4 GHz 3.6 GHz
Number of Cores 10-core Quad-Core
Cache 12 MB 6 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
RAM 16 GB (provided memory is soldered) 4 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz -
Rated Speed 4800 MHz -
STORAGE Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Graphics Processor (GPU) Intel Iris Xe 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 Atmos -
Audio Features - Output: ASUS SonicMaster
COMMUNICATIONS Lenovo ThinkBook 16 G4+ IAP (21CY) 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 Dual stream (2x2) Single stream (1x1)
BATTERY Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Technology Lithium polymer 2-cell Lithium Ion
Battery Capacity (Size) 57 Wh 32 Wh
AC ADAPTER Lenovo ThinkBook 16 G4+ IAP (21CY) 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 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Slots 1 x M.2 (PCI Express 3.0 x4) (1 free) -
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
USB 2.0
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 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Operating System (OS) Windows 11 Pro - English Windows 10 Home
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo ThinkBook 16 G4+ IAP (21CY) ASUS R521JA (EJ974T)
Included Accessories USB-C slim 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, self-healing BIOS -
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, 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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