Side by side comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkPad X1 Extreme Gen 4 (20Y6). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 X1 Extreme Gen 4 (20Y6) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful processor performance
robust build quality
excellent 4k display
ample connectivity options
advanced security features
high price point
average battery life
heavier than competitors
noisy under load
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2.09 cm | 35.95 cm x 25.38 cm x 1.77 cm |
| Weight | 2.48 kg | 1.81 kg |
| Case Material | - | Carbon fibre hybrid (top), aluminium alloy (bottom) |
| Colour | - | Black paint |
| DISPLAY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Screen Size (Type) | 15.6" | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 3840 x 2400 (WQUXGA) |
| V-Sync Rate at Max Res. | 120 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 600 cd/m² |
| Colour Gamut | 100% Adobe RGB, 132.7% sRGB | 100% Adobe RGB |
| Features | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level | Anti-glare, HDR 400 compatible, Low Blue Light technology, 170° viewing angle, X-Rite Pantone factory color calibration, Dolby Vision |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| CPU | AMD Ryzen 9 5980HX / 3.3 GHz | Intel Core i7 (11th Gen) 11850H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4.8 GHz |
| Number of Cores | 8-core | 8-core |
| Cache | L3 - 16 MB | 24 MB |
| Chipset | - | Intel WM590 |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 48 GB | 64 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 | - | 2 |
| Empty Slots | - | 0 |
| STORAGE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Samsung |
|---|---|---|
| RAID Level | - | RAID 0, RAID 1 |
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | NVIDIA GeForce RTX 3050 Ti / Intel UHD Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 16 GB GDDR6 SDRAM | 4 GB GDDR6 SDRAM |
| Video System Features | ROG Boost, Dynamic Boost | Max-Q design, NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0 |
| 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 ALC3306 |
| Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Atmos |
| Audio Features | Smart Amp | - |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| 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 210 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| BATTERY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 90 Wh |
| Battery Life | - | Up to 12.8 hours |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 170 Watt, 20 V |
| INPUT | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| 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, glass touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Slots | - | 2 x M.2 Card (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 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD) | Yes (SD Card, SDXC UHS-II Card) |
| SOFTWARE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Included Accessories | Power adapter, palm rest, ROG X DL2 thank you card | Power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | - | Discrete 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, 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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