In depth comparison and review of ASUS ExpertBook B1 (B1400CDA) and ASUS ROG Zephyrus Duo 15 SE (GX551QR). 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 ExpertBook B1 (B1400CDA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust military-grade durability
efficient multitasking capabilities
comprehensive connectivity options
lightweight and portable design
reasonable price point
average battery life
mediocre display quality
limited graphics performance
noisy under load
Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 SE (GX551QR) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high refresh rate display
ample connectivity options
premium build quality
high price point
short battery life
heavy and bulky
loud under load
| DESIGN AND DIMENSIONS | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.34 cm x 21.56 cm x 1.92 cm | 36 cm x 26.8 cm x 2.09 cm |
| Weight | 1.46 kg | 2.48 kg |
| Case Material | Aluminum, plastic | Metal |
| Colour | Black (bottom), star black (LCD cover), star black (top) | - |
| DISPLAY | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Screen Size (Type) | 14" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 300 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% NTSC | 100% sRGB, 75.35% Adobe RGB |
| Features | Anti-glare, IPS-level | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| CPU | AMD Ryzen 3 3250U / 2.6 GHz | AMD Ryzen 9 5980HX / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.5 GHz | 4.8 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 4 MB | L3 - 16 MB |
| MEMORY | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | NVIDIA GeForce RTX 3070 / AMD Radeon Vega |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | ROG Boost, Dynamic Boost |
| Gaming | - | Yes |
| Sound | Speaker, array microphone | Stereo speakers, two tweeters, array microphone |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | - | Smart Amp |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 90 Wh |
| AC ADAPTER | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 240 Watt, 20 V, 12 A |
| INPUT | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, NumberPad |
|---|---|---|
| Keyboard Backlight | - | Yes (RGB) |
| Features | Spill-resistant, chiclet keyboard, 1.5mm travel distance | Chiclet keyboard, per-key RGB, 1.4mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Interfaces | Headphone/microphone combo jack 2 x USB 3.2 Gen 2 USB 2.0 USB-C 3.2 Gen 2 HDMI LAN VGA |
Headphone/microphone combo jack USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.2 Gen 2 HDMI |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home |
|---|
| MISCELLANEOUS | ASUS ExpertBook B1 (B1400CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Included Accessories | Power adapter | Power adapter, palm rest, ROG X DL2 thank you card |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | System password, hard drive password, MIL-STD-810H tested | System password, ASUS Aura Sync technology |
| Compliant Standards | TUV Rheinland Flicker Free Certification, TUV Rheinland Low Blue Light (Software Solution) | - |
| Repairability Index | 6.7 (out of 10) | - |
| ENERGY STAR Certified | Yes | - |
| Model Number | EK0583R | HF087T |
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