Detailed comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad T15 Gen 2 (20W5). 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.
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 T15 Gen 2 (20W5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
reliable performance
advanced security features
heavier than competitors
average display brightness
limited color options
higher price point
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2.09 cm | 36.58 cm x 24.8 cm x 1.91 cm |
| Weight | 2.48 kg | 1.82 kg |
| Case Material | - | Polycarbonate ABS, glass-fibre, magnesium alloy, polyphenylene sulfide, polyamide, Talc15 |
| Colour | - | Black |
| DISPLAY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| 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 | 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 T15 Gen 2 (20W5) |
|---|
| CPU | AMD Ryzen 9 5980HX / 3.3 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4.2 GHz |
| Number of Cores | 8-core | Quad-Core |
| Cache | L3 - 16 MB | 8 MB |
| 64-bit Computing | - | Yes |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| 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 ThinkPad T15 Gen 2 (20W5) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - Kioxia |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 16 GB GDDR6 SDRAM | - |
| Video System Features | ROG Boost, Dynamic Boost | - |
| Gaming | Yes | - |
| Camera | - | Yes - 720p |
| 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 ThinkPad T15 Gen 2 (20W5) |
|---|
| 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 6 AX 201 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-LM |
| Features | Dual stream (2x2) | - |
| BATTERY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 57 Wh |
| Battery Life | - | Up to 16.8 hours |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| 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 T15 Gen 2 (20W5) |
|---|
| 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 T15 Gen 2 (20W5) |
|---|
| 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 1.4a Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack Dock |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad T15 Gen 2 (20W5) |
|---|
| Dockable | - | Yes |
|---|---|---|
| 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, 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, 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% |
| Model Number | HB185R | - |
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