In depth comparison and review of ASUS ROG Zephyrus G15 (GA503QS) and ASUS ExpertBook B5 (B5402CEA). 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 B5 (B5402CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust security features
efficient multitasking performance
long battery life
fast charging support
average display quality
limited graphics performance
higher price point
noisy under load
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 1.99 cm | 32.34 cm x 22.31 cm x 1.8 cm |
| Weight | 1.9 kg | 1.22 kg |
| Case Material | - | Aluminum, magnesium-aluminum alloy |
| Colour | Eclipse grey | Star black |
| DISPLAY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 144 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| 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 | Anti-glare, 85% screen-to-body ratio |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| CPU | AMD Ryzen 7 5800HS / 2.8 GHz | Intel Core i5 (11th Gen) 1155G7 / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.5 GHz |
| Number of Cores | 8-core | Quad-Core |
| Cache | 16 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Features | - | Intel Smart Cache |
| MEMORY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 24 GB | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| 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 - 720p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, two tweeters, array microphone | Stereo speakers, array microphone |
| Compliant Standards | Dolby Atmos | - |
| Audio Features | Smart Amplification technology | - |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 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 ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| 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 B5 (B5402CEA) |
|---|
| 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 B5 (B5402CEA) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Chiclet keyboard | Chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 3.0 x4) (1 free) |
|---|---|---|
| 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 |
USB 2.0 LAN Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI |
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Pro |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ExpertBook B5 (B5402CEA) |
|---|
| Included Accessories | Power adapter | Power 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 | ErgoLift, MIL-STD-810H tested |
| Compliant Standards | - | CTR 21, UL 1459, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH |
| Model Number | HN013T | KI0266X |
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