ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkBook 15p G2 ITH (21B1)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkBook 15p G2 ITH (21B1). 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 ThinkBook 15p G2 ITH (21B1) Review

Advantages and disadvantages of Lenovo ThinkBook 15p G2 ITH (21B1) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

powerful processor performance

solid build quality

adequate storage options

good thermal management

heavier than competitors

average battery life

limited port selection

higher price point

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkBook 15p G2 ITH (21B1)
85 % - Design
88 % - Display
92 % - Performance
86 % - Connectivity
65 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 SE (GX551QS) vs. Lenovo ThinkBook 15p G2 ITH (21B1) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 26.8 cm x 2.09 cm 35.9 cm x 24.95 cm x 1.99 cm
Weight 2.48 kg 1.9 kg
Case Material - Aluminum
Colour - Dual tone mineral grey
DISPLAY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
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 - 300 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 170° viewing angle
PROCESSOR ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
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 HM570
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 16 GB (2 x 8 GB)
Max RAM Supported 48 GB 32 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 - 2
Empty Slots - 0
STORAGE ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe)
RAID Level - RAID 0, RAID 1
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 NVIDIA GeForce RTX 3050 / Intel UHD Graphics
Max Monitors Supported - 2 external monitor(s)
Video Memory 16 GB GDDR6 SDRAM 4 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 Atmos
Audio Features Smart Amp Harman-branded
COMMUNICATIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
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) Dual stream (2x2)
BATTERY ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 90 Wh 57 Wh
Battery Life - Up to 7.5 hours
Battery Run Time - Local video (1080p) playback time: up to 7.5 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 135 Watt
INPUT ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
Type Keyboard, NumberPad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, per-key RGB Spill-resistant, multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 15 SE (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
Slots - 1 x M.2 (PCI Express 3.0 x4) (0 free)
1 x M.2 (PCI Express 4.0 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
USB 3.2 Gen 1
USB 3.2 Gen 2
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
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 (GX551QS) Lenovo ThinkBook 15p G2 ITH (21B1)
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 15p G2 ITH (21B1)
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
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, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified - Yes
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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