ASUS ROG Zephyrus Duo 15 SE (GX551QR) vs. Lenovo ThinkBook 14-IIL (20SL)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QR) and Lenovo ThinkBook 14-IIL (20SL). 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.

ASUS ROG Zephyrus Duo 15 SE (GX551QR) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 SE (GX551QR) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high refresh rate display

ample connectivity options

premium build quality

high price point

short battery life

heavy and bulky

loud under load

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

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 15 SE (GX551QR) and Lenovo ThinkBook 14-IIL (20SL)
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
65 % - Battery
86 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 SE (GX551QR) vs. Lenovo ThinkBook 14-IIL (20SL) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 26.8 cm x 2.09 cm 32.6 cm x 23 cm x 1.79 cm
Weight 2.48 kg 1.5 kg
Case Material Metal Aluminum
Colour - Mineral grey
DISPLAY ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Screen Size (Type) 15.6" 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 300 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 250 cd/m²
Colour Gamut 100% sRGB, 75.35% Adobe RGB -
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare
PROCESSOR ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
CPU AMD Ryzen 9 5980HX / 3.3 GHz Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz
Max Turbo Speed 4.8 GHz 3.7 GHz
Number of Cores 8-core Quad-Core
Cache L3 - 16 MB 6 MB
64-bit Computing - Yes
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 8 GB (1 x 8 GB)
Max RAM Supported 48 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 2666 MHz
Rated Speed - 2666 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3070 / AMD Radeon Vega Intel Iris Plus Graphics
Video Memory 8 GB GDDR6 SDRAM -
Video System Features ROG Boost, Dynamic Boost -
Gaming Yes -
Camera - Yes - 720p
Camera Features - ThinkShutter camera privacy
Sound Stereo speakers, two tweeters, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards Dolby Atmos High Definition Audio, Dolby Audio
Audio Features Smart Amp -
COMMUNICATIONS ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Technology 4-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 90 Wh 45 Wh
Battery Life - Up to 9 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 65 Watt
INPUT ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Type Keyboard, touchpad, NumberPad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, per-key RGB, 1.4mm travel distance Spill-resistant, multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Interfaces Headphone/microphone combo jack
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
3 x USB 3.2 Gen 2
HDMI
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
Memory Card Reader Yes (microSD) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Operating System (OS) Windows 10 Home Windows 10 Pro 64-bit Edition - Spanish
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS ASUS ROG Zephyrus Duo 15 SE (GX551QR) Lenovo ThinkBook 14-IIL (20SL)
Included Accessories Power adapter, palm rest, ROG X DL2 thank you card Power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Features System password, ASUS Aura Sync technology 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
Model Number HF087T -
Other Comparisons with ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Other Comparisons with Lenovo ThinkBook 14-IIL (20SL)
Other Popular Laptop Comparisons
Other projects: