Side by side comparison and review of HP 255 G9 Notebook and ASUS ROG Zephyrus G15 (GA503QM). 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 HP 255 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate port selection
includes numeric keypad
average display quality
modest processor performance
limited graphics capabilities
no backlit keyboard
Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503QM) 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
expensive price point
no webcam included
limited port selection
average speaker quality
| DESIGN AND DIMENSIONS | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.2 cm x 1.99 cm | 35.5 cm x 24.3 cm x 1.99 cm |
| Weight | 1.74 kg | 1.9 kg |
| Colour | - | Moonlight white |
| DISPLAY | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | 144 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% NTSC | 47.34% Adobe RGB, 62.5% sRGB |
| Features | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design | Anti-glare, FreeSync Technology, IPS-level |
| PROCESSOR | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| CPU | AMD Ryzen 5 5625U / 2.3 GHz | AMD Ryzen 9 5900HS / 3 GHz |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | 4.6 GHz |
| Number of Cores | 6-core | 8-core |
| Cache | L3 - 16 MB | L3 - 16 MB |
| MEMORY | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| RAM | 8 GB (1 x 8 GB (non customer accessible / upgradeable)) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | 48 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value | 1 TB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | NVIDIA GeForce RTX 3060 |
|---|---|---|
| Video Memory | - | 6 GB GDDR6 SDRAM |
| Video System Features | AMD FreeSync | ROG Boost, NVIDIA Resizable BAR, Dynamic Boost 2.0 |
| Gaming | - | Yes |
| Camera | Yes - HD | - |
| Camera Features | Temporal Noise Reduction | - |
| Video Resolutions | 720p | - |
| Sound | Dual stereo speakers, dual array microphone | Two tweeters, four woofers, array microphone |
| Codec | Realtek ALC3247 | - |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | - | Noise-cancellation technology, Smart Amplification technology |
| COMMUNICATIONS | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Realtek RTL8852BE - PCI Express Mini Card (M.2) | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Bluetooth Class | Class 2 | - |
| Compliant Standards | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | Wi-Fi CERTIFIED 6 |
| Remote Management Protocol | SNMP 2 | - |
| Features | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO | Dual stream (2x2) |
| BATTERY | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Technology | 3-cell lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 90 Wh |
| Battery Life | Up to 10.25 hours | - |
| AC ADAPTER | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Input | AC 115/230 V (50 - 60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19.5 V, 8 A | 200 Watt, 20 V, 10 A |
| INPUT | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Interfaces | Headphone/microphone combo jack USB-C 3.2 Gen 1 HDMI LAN 2 x USB 3.2 Gen 1 |
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 |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Operating System (OS) | Windows 11 Home - English | Windows 10 Home |
|---|---|---|
| Software Included | HP Support Assistant, Dropbox, McAfee (30 days trial), HP Audio Switch, HP PC Hardware Diagnostics, HP Connection Optimizer, HP Privacy Settings, ExpressVPN (30 days trial), HP QuickDrop, HP Smart App, myHP, Touchpoint Customiser for Commercial, LastPass password manager (30 days trial), HP Smart Health (free download) | Microsoft 365 (30 days trial), ROG Armoury Crate |
| MISCELLANEOUS | HP 255 G9 Notebook | ASUS ROG Zephyrus G15 (GA503QM) |
|---|
| Included Accessories | HP 45 Watt Smart nPFC AC Adapter | Power adapter |
|---|---|---|
| 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 | HP Fast Charge | System password |
| Compliant Standards | UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP | - |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 10 - 90% | - |
| Manufacturer Warranty | Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
- |
| Model Number | - | HN170T |
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