In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad L13 Gen 3 (21B9). 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.
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
Advantages and disadvantages of Lenovo ThinkPad L13 Gen 3 (21B9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
impressive security features
decent processor performance
average display brightness
limited graphics capability
noisy under load
heavier than competitors
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2.09 cm | 30.5 cm x 21.8 cm x 1.73 cm |
| Weight | 2.48 kg | 1.25 kg |
| Case Material | - | Aluminium (top), glass-fibre reinforced plastic (bottom) |
| Colour | - | Thunder black |
| DISPLAY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| Screen Size (Type) | 15.6" | 13.3" - 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 | 16:9 |
| 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 ThinkPad L13 Gen 3 (21B9) |
|---|
| CPU | AMD Ryzen 9 5980HX / 3.3 GHz | AMD Ryzen 5 Pro 5675U / 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 ThinkPad L13 Gen 3 (21B9) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 48 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| STORAGE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| 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, 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 Premium |
| Audio Features | Smart Amp | - |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| 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 | - | AMD RZ616 - M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Compliant Standards | - | DASH |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 46 Wh |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| 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 ThinkPad L13 Gen 3 (21B9) |
|---|
| 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 L13 Gen 3 (21B9) |
|---|
| 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) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad L13 Gen 3 (21B9) |
|---|
| 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, 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, NVMe password |
| 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% |
| Manufacturer Warranty | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
| Model Number | HB185R | - |
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