Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) vs. ASUS ROG Zephyrus Duo 15 (GX550LWS)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) and ASUS ROG Zephyrus Duo 15 (GX550LWS). 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 14-IIL (Lenovo ThinkBook 14) Review

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

solid build quality

affordable price point

decent battery life

good processor performance

adequate storage options

average display quality

no thunderbolt support

limited graphics power

mediocre speaker output

ASUS ROG Zephyrus Duo 15 (GX550LWS) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 (GX550LWS) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high-refresh-rate display

premium build quality

effective cooling system

high price point

short battery life

heavy and bulky

limited port selection

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) and ASUS ROG Zephyrus Duo 15 (GX550LWS)
86 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
83 % - Design
85 % - Display
87 % - Performance
85 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) vs. ASUS ROG Zephyrus Duo 15 (GX550LWS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.6 cm x 23 cm x 1.79 cm 36 cm x 26.8 cm x 2 cm
Weight 1.5 kg 2.48 kg
Case Material Aluminum -
Colour Mineral grey Gunmetal gray
DISPLAY Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Screen Size (Type) 14" - IPS 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 3840 x 2160 (Ultra HD 4K)
V-Sync Rate at Max Res. - 300 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut - 100% sRGB, 72% NTSC, 75.35% Adobe RGB
Features Anti-glare Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut
PROCESSOR Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
CPU Intel Core i5 (10th Gen) 1035G1 / 1 GHz Intel Core i7 (10th Gen) 10875H / 2.3 GHz
Max Turbo Speed 3.6 GHz 5.1 GHz
Number of Cores Quad-Core 8-core
Cache 6 MB 16 MB
64-bit Computing Yes Yes
Chipset - Intel HM470
Features Integrated memory controller Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0
MEMORY Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
RAM 8 GB (1 x 8 GB) 32 GB (1 x 16 GB + 16 GB (soldered))
Max RAM Supported 16 GB 48 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2933 MHz
Rated Speed 2666 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 1 TB SSD M.2 PCIe - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel UHD Graphics NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics
Video Memory - 8 GB GDDR6 SDRAM
Video System Features - NVIDIA Optimus, Max-Q design
Gaming - Yes
Camera Yes - 720p -
Camera Features ThinkShutter camera privacy -
Sound Stereo speakers, dual array microphone Stereo speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - ESS SABRE HiFi audio DAC technology, Smart Amp
VR Ready - Yes
COMMUNICATIONS Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card -
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Technology Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 45 Wh 90 Wh
Battery Life Up to 9 hours -
AC ADAPTER Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 240 Watt, 20 V, 12 A
INPUT Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Type Keyboard, touchpad Keyboard, NumberPad, ScreenPad Plus
Keyboard Backlight Yes Yes (RGB)
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
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-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 2
2 x USB 3.2 Gen 1
HDMI
LAN
Headphone output
Microphone input
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 10 Home
Software Included Microsoft Office (30 days trial) -
MISCELLANEOUS Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader -
Features Administrator password, hard drive password, power-on password, RapidCharge System password, 65W power delivery
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 -
SAR Value - 0.028 W/kg (body), 0.028 W/kg (limb)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Silver -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number IIL 20SL HF055T
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