In depth comparison and review of HP ZBook Firefly 16 G9 Mobile Workstation and Dell Precision 3551. 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 ZBook Firefly 16 G9 Mobile Workstation based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processors
high-resolution display
lightweight design
robust security features
solid build quality
expensive price point
limited graphics performance
no OLED option
average battery life
Advantages and disadvantages of Dell Precision 3551 based on its technical characteristics, features, user experience, expert reviews and price level.
robust processing power
expandable memory options
reliable build quality
adequate port selection
decent battery life
heavier design
basic display quality
noisy under load
premium price tag
| DESIGN AND DIMENSIONS | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.87 cm x 25.1 cm x 1.92 cm | 35.91 cm x 23.625 cm x 1.499 cm |
| Weight | 1.938 kg | 1.89 kg |
| DISPLAY | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Screen Size (Type) | 16" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | - | 141 |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | 1000 cd/m² | - |
| Colour Gamut | 100% sRGB | - |
| Privacy Technology | HP SureView Reflect | - |
| Features | Privacy filter, Low Blue Light Mode, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare +PSR | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle |
| PROCESSOR | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| CPU | Intel Core i7 (12th Gen) 1265U / 1.8 GHz | Intel Core i7 (10th Gen) 10750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 5 GHz |
| Number of Cores | 10-core | 6-core |
| Cache | L3 - 12 MB | 12 MB |
| 64-bit Computing | - | Yes |
| Platform Technology | Intel vPro Platform | - |
| Features | - | Intel Turbo Boost Max Technology 3.0 |
| MEMORY | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| RAM | 16 GB (1 x 16 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2933 MHz |
| Rated Speed | 4800 MHz | 2933 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC), HP Value | 256 GB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA T550 / Intel Iris Xe Graphics | NVIDIA Quadro P620 |
| Video Memory | 4 GB GDDR6 SDRAM | 4 GB GDDR5 SDRAM |
| Camera | Yes | Yes - HD |
| Resolution | 5 Megapixel | 8 Megapixel |
| Camera Features | Privacy shutter, HP Auto Frame | 78.6 degrees |
| Image Sensor Type | - | CMOS |
| Video Resolutions | - | 1280 x 720 |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3315 | Realtek ALC3204 |
| Compliant Standards | High Definition Audio | High Definition Audio, Wave MAXXAudio Pro |
| Audio Features | Bang & Olufsen Audio, discrete amplifiers | - |
| COMMUNICATIONS | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 - PCI Express Mini Card (M.2) | Intel Wi-Fi 6 AX 201 |
| Network Interface | - | Gigabit Ethernet |
| Bluetooth Class | Class 2 | - |
| Compliant Standards | IEEE 802.11d, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v | - |
| Features | Miracast, dual stream (2x2), CNVi | - |
| BATTERY | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Technology | 6-cell lithium polymer | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 76 Wh | 68 Wh |
| Battery Life | Up to 18 hours | - |
| AC ADAPTER | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 110 Watt, 5 / 9 / 12 / 15 / 20 V | 130 Watt, 20 V, 6.5 A |
| INPUT | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad, pointing stick |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, spill-resistant, multi-touch clickpad, gesture function, precision touchpad, privacy, DuraKeys | - |
| CONNECTIONS & EXPANSIONS | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Interfaces | HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 Headphone/microphone combo jack |
HDMI USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) USB 3.1 (PowerShare) 2 x USB 3.1 Gen 1 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
|---|---|---|
| Software Included | HP Support Assistant, HP Power Manager, HP Hotkey Support, HP Secure Erase, HP Client Catalogue (free download), HP PC Hardware Diagnostics, HP MAC Address Manager, HP Notifications, HP Connection Optimizer, HP Privacy Settings, HP Cloud Recovery, HP QuickDrop, HP Client Management Script Library (free download), HP BIOSphere Gen6, HP Wake on WLAN, myHP, Touchpoint Customiser for Commercial, HSA Fusion for Commercial, HSA Telemetry for Commercial, HP Image Assistant Gen5 (free download), HP Easy Clean, HP Smart Support (free download), HP Manageability Integration Kit (free download), HP Quick Touch | Microsoft Office (Trial) |
| MISCELLANEOUS | HP ZBook Firefly 16 G9 Mobile Workstation | Dell Precision 3551 |
|---|
| Included Accessories | HP 100W+10W Slim USB-C+USB-A AC Power Adapter | Power adapter |
|---|---|---|
| Integrated Options | Accelerometer, ambient light sensor, magnetometer, hall sensor, gyroscope, HP Tamper Lock, ambient colour sensor | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader |
| Security Slot Type | Kensington nano security slot | Noble Wedge security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately), chassis intrusion sensor | Security lock slot (cable lock sold separately) |
| Features | Intel Active Management Technology (iAMT), HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, Secured-core PC capable | - |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FIPS 140-2 Level 2, FCC, RoHS, KCC, WEEE, A-Tick, ICES, Common Criteria EAL4+, CIT, low halogen, ICCP, MIL-STD 810H | - |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 0 - 95% (non-condensing) |
| Manufacturer Warranty | Limited warranty - parts and labour - 3 years Limited warranty - battery - 3 years |
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