ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkPad T15g Gen 2 (20YS)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad T15g Gen 2 (20YS). 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 T15g Gen 2 (20YS) Review

Advantages and disadvantages of Lenovo ThinkPad T15g Gen 2 (20YS) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful professional graphics

robust build quality

high-resolution display

advanced cooling system

expandable memory options

heavier than competitors

expensive base model

average battery life

limited color accuracy

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad T15g Gen 2 (20YS)
85 % - Design
88 % - Display
92 % - Performance
86 % - Connectivity
65 % - Battery
85 % - Design
85 % - Display
86 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkPad T15g Gen 2 (20YS) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 26.8 cm x 2.09 cm 37.54 cm x 25.23 cm x 3.145 cm
Weight 2.48 kg 2.87 kg
Case Material - Glass-fibre, polyphenylene sulfide, polyamide
Colour - Black
DISPLAY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Screen Size (Type) 15.6" 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 3840 x 2160 (Ultra HD 4K)
V-Sync Rate at Max Res. 120 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 600 cd/m²
Colour Gamut 100% Adobe RGB, 132.7% sRGB 100% Adobe RGB
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, HDR 400 compatible, 170° viewing angle, Dolby Vision
PROCESSOR ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
CPU AMD Ryzen 9 5980HX / 3.3 GHz Intel Core i7 (11th Gen) 11800H / 2.3 GHz
Max Turbo Speed 4.8 GHz 4.6 GHz
Number of Cores 8-core 8-core
Cache L3 - 16 MB 24 MB
Chipset - Intel WM590
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 32 GB (2 x 16 GB)
Max RAM Supported 48 GB 128 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed - 3200 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty - 4
Empty Slots - 2
STORAGE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 1 TB SSD M.2 2280 PCIe 4.0 - TCG Opal Encryption 2, NVM Express (NVMe)
RAID Level - RAID 0, RAID 1
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 NVIDIA GeForce RTX 3070 / Intel UHD Graphics
Max Monitors Supported - 4 external monitor(s)
Video Memory 16 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features ROG Boost, Dynamic Boost -
Gaming Yes -
Camera - Yes - 720p
Camera Features - Privacy shutter, IR camera, Windows Hello, fixed focus
Sound Stereo speakers, two tweeters, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3306
Compliant Standards Dolby Atmos High Definition Audio, Dolby Atmos
Audio Features Smart Amp -
COMMUNICATIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller - Intel Wi-Fi 6E AX 210
Network Interface Gigabit Ethernet 2.5 Gigabit Ethernet
Ethernet Controller - Intel I225-V
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
BATTERY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 90 Wh 94 Wh
Battery Life - Up to 11 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 230 Watt
INPUT ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Type Keyboard, NumberPad Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) Yes
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 T15g Gen 2 (20YS)
Slots - 3 x M.2 Card (2 free)
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 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
LAN
Memory Card Reader Yes (microSD) Yes (SD Card)
SOFTWARE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Operating System (OS) Windows 10 Pro Windows 10 Pro 64-bit Edition - English
MISCELLANEOUS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T15g Gen 2 (20YS)
Included Accessories Power adapter, palm rest, ROG X DL2 thank you card Power adapter
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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, 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%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Model Number HB185R -
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