Side by side comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and Lenovo ThinkBook 15 G3 ACL (21A4). 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 ThinkBook 15 G3 ACL (21A4) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
good keyboard feel
ample connectivity options
average display quality
mediocre battery life
limited graphics power
no thunderbolt support
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2.09 cm | 35.7 cm x 23.5 cm x 1.89 cm |
| Weight | 2.48 kg | 1.7 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | - | Mineral grey |
| DISPLAY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| 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 | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| CPU | AMD Ryzen 9 5980HX / 3.3 GHz | AMD Ryzen 5 5500U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4 GHz |
| Number of Cores | 8-core | 6-core |
| Cache | L3 - 16 MB | L3 - 8 MB |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 48 GB | 36 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 | - | 0 |
| STORAGE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | AMD Radeon 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 | - | ThinkShutter camera privacy |
| 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 ThinkBook 15 G3 ACL (21A4) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| 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 15 G3 ACL (21A4) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 45 Wh |
| Battery Life | - | Up to 7.5 hours |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| 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 ThinkBook 15 G3 ACL (21A4) |
|---|
| 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, precision touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x2) (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 |
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 HDMI LAN 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 15 G3 ACL (21A4) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | Lenovo ThinkBook 15 G3 ACL (21A4) |
|---|
| Included Accessories | Power adapter, palm rest, ROG X DL2 thank you card | USB-C power adapter |
|---|---|---|
| Security | - | Firmware 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, hard drive password, power-on password, Rapid Charge Pro |
| Compliant Standards | - | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| 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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