Lenovo ThinkBook 14-IIL (20SL) Review

Advantages and disadvantages of Lenovo ThinkBook 14-IIL (20SL) based on its technical characteristics, features, user experience, expert reviews and price level.

solid build quality

responsive keyboard

affordable price

adequate performance

decent battery life

average display quality

limited graphics power

no thunderbolt support

modest storage capacity

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-IIL (20SL) and ASUS R521JA (EJ974T)
86 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery
78 % - Design
72 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14-IIL (20SL) vs. ASUS R521JA (EJ974T) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.6 cm x 23 cm x 1.79 cm 36 cm x 23.5 cm x 2.29 cm
Weight 1.5 kg 1.9 kg
Case Material Aluminum -
Colour Mineral grey Transparent silver
DISPLAY Lenovo ThinkBook 14-IIL (20SL) 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 250 cd/m² 200 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Anti-glare, 83% screen-to-body ratio
PROCESSOR Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
CPU Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 3.7 GHz 3.6 GHz
Number of Cores Quad-Core Quad-Core
Cache 6 MB 6 MB
64-bit Computing Yes -
Features Integrated memory controller -
MEMORY Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
RAM 8 GB (1 x 8 GB) 4 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz -
Rated Speed 2666 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
Graphics Processor (GPU) Intel Iris Plus Graphics Intel UHD Graphics
Camera Yes - 720p Yes - VGA
Camera Features ThinkShutter camera privacy -
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-IIL (20SL) ASUS R521JA (EJ974T)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller M.2 Card -
Network Interface Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
Technology Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) 45 Wh 32 Wh
Battery Life Up to 9 hours -
AC ADAPTER Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
Input AC 120/230 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-IIL (20SL) ASUS R521JA (EJ974T)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
Interfaces USB 2.0 (hidden)
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
USB-C 3.1 Gen 1
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
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-IIL (20SL) ASUS R521JA (EJ974T)
Operating System (OS) Windows 10 Pro 64-bit Edition - Spanish Windows 10 Home
Software Included Microsoft Office (30 days trial) -
MISCELLANEOUS Lenovo ThinkBook 14-IIL (20SL) ASUS R521JA (EJ974T)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Features Administrator password, hard drive password, power-on password, RapidCharge -
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
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