ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkBook 14 G4 ABA (21DK)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkBook 14 G4 ABA (21DK). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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 ThinkBook 14 G4 ABA (21DK) Review

Advantages and disadvantages of Lenovo ThinkBook 14 G4 ABA (21DK) based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum design

efficient Ryzen processor

comfortable keyboard layout

affordable price point

solid state drive included

average battery life

no thunderbolt support

dim display brightness

limited graphics performance

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkBook 14 G4 ABA (21DK)
85 % - Design
88 % - Display
92 % - Performance
86 % - Connectivity
65 % - Battery
82 % - Design
72 % - Display
82 % - Performance
85 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkBook 14 G4 ABA (21DK) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 26.8 cm x 2.09 cm 32.3 cm x 21.8 cm x 1.79 cm
Weight 2.48 kg 1.4 kg
Case Material - Aluminum
Colour - Dual tone mineral grey
DISPLAY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Screen Size (Type) 15.6" 14" - 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 - 300 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 ThinkBook 14 G4 ABA (21DK)
CPU AMD Ryzen 9 5980HX / 3.3 GHz AMD Ryzen 5 5625U / 2.3 GHz
Max Turbo Speed 4.8 GHz 4.3 GHz
Number of Cores 8-core 6-core
Cache L3 - 16 MB L3 - 16 MB
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 8 GB (provided memory is soldered)
Max RAM Supported 48 GB 40 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 - 1
Empty Slots - 1
STORAGE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
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 x4 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 AMD Radeon 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, 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
Audio Features Smart Amp -
COMMUNICATIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
BATTERY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 90 Wh 45 Wh
Battery Life - Up to 8 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 8 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 65 Watt
INPUT ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Type Keyboard, NumberPad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, per-key RGB Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Slots - 1 x M.2 (PCI Express 3.0 x4) (0 free)
1 x M.2 (PCI Express 3.0 x4) (1 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
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
HDMI
LAN
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 (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Operating System (OS) Windows 10 Pro Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 14 G4 ABA (21DK)
Included Accessories Power adapter, palm rest, ROG X DL2 thank you card USB-C power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
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, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 6, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number HB185R -
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