Side by side comparison and review of ASUS ExpertBook B1 (B1500CDA) and ASUS ROG Zephyrus Duo 15 SE (GX551QS). 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 ExpertBook B1 (B1500CDA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust military-grade durability
efficient multitasking performance
comprehensive connectivity options
comfortable backlit keyboard
fast charging support
average display quality
modest graphics capabilities
heavier than competitors
limited aesthetic appeal
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 | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 23.65 cm x 1.94 cm | 36 cm x 26.8 cm x 2.09 cm |
| Weight | 1.75 kg | 2.48 kg |
| Case Material | Aluminum, plastic | - |
| Colour | Black (bottom), star black (LCD cover), star black (top) | - |
| DISPLAY | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Screen Size (Type) | 15.6" | 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% NTSC | 100% Adobe RGB, 132.7% sRGB |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, IPS-level | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| CPU | AMD Ryzen 5 3500U / 2.1 GHz | AMD Ryzen 9 5980HX / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | L3 - 4 MB | L3 - 16 MB |
| MEMORY | ASUS ExpertBook B1 (B1500CDA) | 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 | - | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Graphics Processor (GPU) | AMD Radeon Vega 8 | NVIDIA GeForce RTX 3080 |
|---|---|---|
| Video Memory | - | 16 GB GDDR6 SDRAM |
| Video System Features | - | ROG Boost, Dynamic Boost |
| Gaming | - | Yes |
| Camera | Yes - 720p | - |
| Camera Features | Privacy shutter | - |
| Sound | Stereo speakers, array microphone | Stereo speakers, two tweeters, array microphone |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | - | Smart Amp |
| COMMUNICATIONS | ASUS ExpertBook B1 (B1500CDA) | 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 |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 90 Wh |
| AC ADAPTER | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Chiclet keyboard | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 LAN |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro |
|---|---|---|
| Software Included | ASUS Splendid, Microsoft 365 (30 days trial), MyASUS, System Diagnosis, Battery Health Charging, AppDeals, Tru2Life | - |
| MISCELLANEOUS | ASUS ExpertBook B1 (B1500CDA) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 | MIL-STD-810H tested | System password, ASUS Aura Sync technology |
| Repairability Index | 6.7 (out of 10) | - |
| Model Number | BQ0201R | HB185R |
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