ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkPad T14s Gen 3 (21BS)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad T14s Gen 3 (21BS). 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 T14s Gen 3 (21BS) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 3 (21BS) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

impressive battery life

powerful processor options

bright display

higher price point

limited graphics performance

no OLED option

heavier than competitors

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad T14s Gen 3 (21BS)
85 % - Design
88 % - Display
92 % - Performance
86 % - Connectivity
65 % - Battery
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkPad T14s Gen 3 (21BS) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 36 cm x 26.8 cm x 2.09 cm 31.75 cm x 22.69 cm x 1.66 cm
Weight 2.48 kg 1.21 kg
Case Material - Aluminium (bottom), carbon fibre hybrid (top)
Colour - Thunder black
DISPLAY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Screen Size (Type) 15.6" 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. 120 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness - 400 cd/m²
Colour Gamut 100% Adobe RGB, 132.7% sRGB 100% sRGB
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, 170° viewing angle, Eyesafe technology
PROCESSOR ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
CPU AMD Ryzen 9 5980HX / 3.3 GHz Intel Core i7 (12th Gen) 1265U / 1.8 GHz
Max Turbo Speed 4.8 GHz 4.8 GHz
Number of Cores 8-core 10-core
Cache L3 - 16 MB 12 MB
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 16 GB (provided memory is soldered)
Max RAM Supported 48 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed - 4800 MHz
Rated Speed - 6400 MHz
Form Factor SO-DIMM 260-pin -
STORAGE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory 16 GB GDDR6 SDRAM -
Video System Features ROG Boost, Dynamic Boost -
Gaming Yes -
Camera - Yes - 1080p
Camera Features - Privacy shutter, IR camera, Windows Hello, fixed focus
Sound Stereo speakers, two tweeters, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards Dolby Atmos High Definition Audio, Dolby Audio, Dolby Voice
Audio Features Smart Amp -
COMMUNICATIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet -
Features Dual stream (2x2) -
BATTERY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Technology 4-cell Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 90 Wh 57 Wh
Battery Life - Up to 24 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 45 Watt, 5 / 9 / 15 / 20 V
INPUT ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Type Keyboard, NumberPad Keyboard, TrackPoint, UltraNav
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 T14s Gen 3 (21BS)
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
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
Operating System (OS) Windows 10 Pro Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
MISCELLANEOUS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkPad T14s Gen 3 (21BS)
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
Security Slot Type - Kensington nano 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, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Model Number HB185R -
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