In depth comparison and review of ASUS ROG Zephyrus G15 (GA503QS) and ASUS ExpertBook B9 (B1500CBA). 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 ROG Zephyrus G15 (GA503QS) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
lightweight and portable
efficient cooling system
long battery life
premium price tag
no webcam included
limited port selection
loud under load
Advantages and disadvantages of ASUS ExpertBook B9 (B1500CBA) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
fast SSD storage
advanced connectivity options
average display quality
no dedicated GPU
limited upgradeability
higher price point
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 1.99 cm | 31.1 cm x 21.5 cm x 1.57 cm |
| Weight | 1.9 kg | 990 g |
| Case Material | - | Magnesium-lithium alloy |
| Colour | Eclipse grey | Star black |
| DISPLAY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Screen Size (Type) | 15.6" | 14" OLED |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (WQXGA+) |
| V-Sync Rate at Max Res. | 144 Hz | 90 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC, 47.34% Adobe RGB, 62.5% sRGB | 100% sRGB |
| Features | Anti-glare, FreeSync Technology, ±85° horizontal viewing angle, ±85° vertical viewing angle, IPS-level | Glossy, Wide-View (IPS), 178° horizontal and vertical viewing angle, Pantone Validated, 1 ms response rate, 90% screen-to-body ratio, HDR 600 True Black |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| CPU | AMD Ryzen 7 5800HS / 2.8 GHz | Intel Core i7 (13th Gen) 1355U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 5.1 GHz |
| Number of Cores | 8-core | 10-core |
| Cache | 16 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| Features | - | Intel Smart Cache |
| MEMORY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 24 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 / AMD Radeon Graphics | Intel Iris Xe Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | - |
| Video System Features | NVIDIA Optimus | Functions as Intel UHD graphics (for single-channel memory) |
| Gaming | Yes | - |
| Camera | - | Yes - 1080p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, two tweeters, array microphone | Speakers, array microphone |
| Compliant Standards | Dolby Atmos | Dolby Atmos |
| Audio Features | Smart Amplification technology | Output: Smart Amplification technology; Input: AI noise cancelling |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) |
| BATTERY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 63 Wh |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 200 Watt, 20 V, 10 A | 65 Watt, 20 V, 3.25 A |
| INPUT | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Chiclet keyboard | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Interfaces | Headphone/microphone combo jack 2 x USB 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) LAN HDMI |
Headphone/microphone combo jack 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 HDMI 2.1 Micro-HDMI |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Pro |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B9 (B1500CBA) |
|---|
| Included Accessories | Power adapter | USB-C power adapter, Micro HDMI to LAN adapter |
|---|---|---|
| Security | Fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | System password | System password, hard drive password, MIL-STD-810H tested, Computrace ready from BIOS, Cortana support |
| Compliant Standards | - | RoHS, REACH, FSC Mix |
| Model Number | HN013T | BQ1288X |
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