Side by side comparison and review of HP 255 G9 Notebook and ASUS ROG Zephyrus Duo 16 (GX650PY). 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 Duo 16 (GX650PY) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-resolution main display
ample storage options
advanced cooling system
high price point
bulkier than competitors
average battery life
limited port selection
DESIGN AND DIMENSIONS | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.8 cm x 24.2 cm x 1.99 cm | 35.5 cm x 26.6 cm x 2.97 cm |
Weight | 1.74 kg | 2.67 kg |
Colour | - | Off black |
DISPLAY | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Screen Size (Type) | 15.6" - IPS | 16" |
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LCD Backlight Technology | WLED backlight | Mini LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
V-Sync Rate at Max Res. | 60 Hz | 240 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | - | 16:10 |
Image Brightness | 250 cd/m² | 1100 cd/m² |
Colour Gamut | 45% NTSC | 100% DCI-P3 |
Features | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design | Anti-glare, 3 ms response rate, FreeSync Premium Pro Technology, Pantone Validated, Dolby Vision, VESA DisplayHDR 1000 |
PROCESSOR | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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CPU | AMD Ryzen 5 5625U / 2.3 GHz | AMD Ryzen 9 7945HX / 2.5 GHz |
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Max Turbo Speed | 4.3 GHz | 5.4 GHz |
Number of Cores | 6-core | 16-core |
Cache | L3 - 16 MB | L3 - 64 MB |
MEMORY | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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RAM | 8 GB (1 x 8 GB (non customer accessible / upgradeable)) | 32 GB |
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Max RAM Supported | 32 GB | - |
RAM Type | DDR4 SDRAM - non-ECC | DDR5 SDRAM |
Speed | 3200 MHz | - |
Rated Speed | 3200 MHz | - |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | - |
Empty Slots | 1 | - |
STORAGE | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
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AUDIO & VIDEO | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | AMD Radeon Graphics | NVIDIA GeForce RTX 4090 / AMD Radeon 610M |
Video Memory | - | 16 GB GDDR6 SDRAM |
Video System Features | AMD FreeSync | ROG Boost, Dynamic Boost, MUX Switch |
Gaming | - | Yes |
Camera | Yes - HD | Yes - 1080p |
Camera Features | Temporal Noise Reduction | 30 frames per second |
Video Resolutions | 720p | - |
Sound | Dual stereo speakers, dual array microphone | Six speakers, 3-microphone array |
Codec | Realtek ALC3247 | - |
Compliant Standards | - | Dolby Atmos |
Audio Features | - | Output: Smart Amplification technology; Input: AI noise cancelling |
COMMUNICATIONS | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Realtek RTL8852BE - PCI Express Mini Card (M.2) | - |
Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
Bluetooth Class | Class 2 | - |
Compliant Standards | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
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 Duo 16 (GX650PY) |
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Technology | 3-cell lithium polymer | 4-cell Lithium Ion |
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Battery Capacity (Size) | 41 Wh | 90 Wh |
Battery Life | Up to 10.25 hours | - |
AC ADAPTER | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Input | AC 115/230 V (50 - 60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt, 19.5 V, 8 A | 330 Watt, 19.5 V, 16.9 A |
INPUT | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes (RGB) |
Features | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance |
CONNECTIONS & EXPANSIONS | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Interfaces | Headphone/microphone combo jack USB-C 3.2 Gen 1 HDMI LAN 2 x USB 3.2 Gen 1 |
Headphone/microphone combo jack USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 HDMI 2.1 LAN USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD, microSDXC UHS-II) |
SOFTWARE | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Operating System (OS) | Windows 11 Home - English | Windows 11 Home |
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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) | - |
MISCELLANEOUS | HP 255 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
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Included Accessories | HP 45 Watt Smart nPFC AC Adapter | Power adapter, palm rest |
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Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
Features | HP Fast Charge | System password, ASUS Aura Sync technology, Thermal Grizzly Conductonaut, Active Aerodynamic System Plus (AAS Plus), Arc Flow Fans |
Compliant Standards | UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP | TUV Rheinland Low Blue Light Certification |
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 |
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Model Number | - | NM010W |