ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkPad L15 Gen 2 (20X4)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad L15 Gen 2 (20X4). 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 (GX551QS) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 SE (GX551QS) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high-quality build

excellent cooling system

vivid display resolution

high price point

short battery life

heavy and bulky

limited port selection

Lenovo ThinkPad L15 Gen 2 (20X4) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 2 (20X4) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

solid performance

adequate port selection

average display quality

heavier than competitors

limited graphics power

no thunderbolt support

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad L15 Gen 2 (20X4)
85 % - Design
88 % - Display
92 % - Performance
86 % - Connectivity
65 % - Battery
85 % - Design
66 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkPad L15 Gen 2 (20X4) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 26.8 cm x 2.09 cm 36.65 cm x 25 cm x 2.1 cm
Weight 2.48 kg 1.98 kg
Case Material - Polycarbonate ABS
Colour - Black
DISPLAY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Screen Size (Type) 15.6" 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 120 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 250 cd/m²
Colour Gamut 100% Adobe RGB, 132.7% sRGB 45% NTSC
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, 170° viewing angle
PROCESSOR ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
CPU AMD Ryzen 9 5980HX / 3.3 GHz Intel Core i5 (11th Gen) 1145G7 / 2.6 GHz
Max Turbo Speed 4.8 GHz 4.4 GHz
Number of Cores 8-core Quad-Core
Cache L3 - 16 MB 8 MB
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 8 GB (1 x 8 GB)
Max RAM Supported 48 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed - 3200 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty - 2
Empty Slots - 1
STORAGE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Intel Iris Xe Graphics
Memory Allocation Technology - Shared Video Memory (UMA)
Max Monitors Supported - 2 external monitor(s)
Video Memory 16 GB GDDR6 SDRAM -
Video System Features ROG Boost, Dynamic Boost -
Gaming Yes -
Camera - Yes - 720p
Camera Features - Privacy shutter, IR camera
Sound Stereo speakers, two tweeters, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards Dolby Atmos High Definition Audio, Dolby Audio Premium
Audio Features Smart Amp -
COMMUNICATIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller - Realtek RTL8852AE
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Technology 4-cell Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 90 Wh 45 Wh
Battery Life - Up to 11.255 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 45 Watt
INPUT ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Type Keyboard, NumberPad Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) -
Features Chiclet keyboard, per-key RGB Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
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
LAN
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
LAN
Headphone/microphone combo jack
Dock
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Operating System (OS) Windows 10 Pro Windows 10 Pro 64-bit Edition
MISCELLANEOUS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad L15 Gen 2 (20X4)
Dockable - Yes
Included Accessories Power adapter, palm rest, ROG X DL2 thank you card USB-C power adapter
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features System password, ASUS Aura Sync technology Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS
Compliant Standards - RoHS, TCG Certified
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
TCO Certified - TCO Certified Notebooks 8
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Model Number HB185R -
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