In depth comparison and review of HP EliteBook 645 G9 Notebook and ASUS ROG Zephyrus Duo 16 (GX650PY). 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 HP EliteBook 645 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
powerful amd processor
lightweight and portable
high-resolution display
fast charging support
average battery life
limited storage capacity
no dedicated gpu
higher price point
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 EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.19 cm x 21.39 cm x 1.99 cm | 35.5 cm x 26.6 cm x 2.97 cm |
| Weight | 1.37 kg | 2.67 kg |
| Colour | - | Off black |
| DISPLAY | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Screen Size (Type) | 14" | 16" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | Mini LED backlight |
| Screen Resolution | - | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | - | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | - | 1100 cd/m² |
| Colour Gamut | - | 100% DCI-P3 |
| Features | - | Anti-glare, 3 ms response rate, FreeSync Premium Pro Technology, Pantone Validated, Dolby Vision, VESA DisplayHDR 1000 |
| PROCESSOR | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| CPU | No CPU | AMD Ryzen 9 7945HX / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | - | 5.4 GHz |
| Number of Cores | - | 16-core |
| Cache | - | L3 - 64 MB |
| MEMORY | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| RAM | 0 GB | 32 GB |
|---|---|---|
| Max RAM Supported | 64 GB | - |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 2 | - |
| STORAGE | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Main Storage Size (HDD/SSD) | - | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | No graphics | NVIDIA GeForce RTX 4090 / AMD Radeon 610M |
| Video Memory | - | 16 GB GDDR6 SDRAM |
| Video System Features | - | ROG Boost, Dynamic Boost, MUX Switch |
| Gaming | - | Yes |
| Camera | - | Yes - 1080p |
| Camera Features | - | 30 frames per second |
| Sound | Stereo speakers | Six speakers, 3-microphone array |
| Codec | Realtek ALC3247 | - |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | - | Output: Smart Amplification technology; Input: AI noise cancelling |
| COMMUNICATIONS | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Wireless | - | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Network Interface | - | 2.5 Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Technology | 3-cell lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 90 Wh |
| AC ADAPTER | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 5 / 9 / 12 / 15 / 20 V | 330 Watt, 19.5 V, 16.9 A |
| INPUT | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Type | Keyboard, ClickPad | Keyboard, NumberPad, ScreenPad Plus |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Keyboard Backlight | - | Yes (RGB) |
| Features | Volume control, spill-resistant, ClickPad with gesture support | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance |
| CONNECTIONS & EXPANSIONS | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Interfaces | USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) LAN USB 3.2 Gen 1 HDMI Headphone/microphone combo jack USB 3.2 Gen 1 (powered) USB 3.2 Gen 1 (Power Delivery) |
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) |
|---|---|---|
| Memory Card Reader | - | Yes (microSD, microSDXC UHS-II) |
| SOFTWARE | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Operating System (OS) | No operating system | Windows 11 Home |
|---|
| MISCELLANEOUS | HP EliteBook 645 G9 Notebook | ASUS ROG Zephyrus Duo 16 (GX650PY) |
|---|
| Included Accessories | - | Power adapter, palm rest |
|---|---|---|
| Integrated Options | HP Tamper Lock | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Kensington nano security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately), chassis intrusion sensor | - |
| Features | Automatic DriveLock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested | System password, ASUS Aura Sync technology, Thermal Grizzly Conductonaut, Active Aerodynamic System Plus (AAS Plus), Arc Flow Fans |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, BNCI | TUV Rheinland Low Blue Light Certification |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Model Number | - | NM010W |
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