In depth comparison and review of Lenovo ThinkPad T15 Gen 1 (20S6) and ASUS ROG Zephyrus Duo 15 SE (GX551QS). 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 Lenovo ThinkPad T15 Gen 1 (20S6) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
reliable performance
adequate security features
heavy chassis
average display brightness
limited graphics power
higher price point
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.58 cm x 24.8 cm x 1.91 cm | 36 cm x 26.8 cm x 2.09 cm |
| Weight | 1.81 kg | 2.48 kg |
| Case Material | Glass-fibre, polyphenylene sulfide, polyamide | - |
| Colour | Black | - |
| DISPLAY | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| V-Sync Rate at Max Res. | - | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% | 100% Adobe RGB, 132.7% sRGB |
| Features | Anti-glare, 170° viewing angle | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | AMD Ryzen 9 5980HX / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 6 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 40 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 3080 |
|---|---|---|
| Video Memory | - | 16 GB GDDR6 SDRAM |
| Video System Features | - | ROG Boost, Dynamic Boost |
| Gaming | - | Yes |
| Camera | Yes - 720p | - |
| Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two tweeters, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | Dolby Audio | Dolby Atmos |
| Audio Features | - | Smart Amp |
| COMMUNICATIONS | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | WWAN upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Technology | Lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 90 Wh |
| Battery Life | Up to 15.26 hours | - |
| AC ADAPTER | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 240 Watt, 20 V, 12 A |
| INPUT | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, NumberPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Spill-resistant, multi-touch touchpad | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Interfaces | USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack LAN Dock |
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 |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T15 Gen 1 (20S6) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter, palm rest, ROG X DL2 thank you card |
| Security | 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | System password, ASUS Aura Sync technology |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
- |
| Model Number | - | HB185R |
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