In depth comparison and review of HP ZBook Firefly 15 G7 Mobile Workstation and Dell Precision 7520. 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 15 G7 Mobile Workstation based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
powerful i7 processor
high-resolution display
robust security features
fast ssd storage
expensive price point
average battery life
no dedicated GPU
limited color options
DESIGN AND DIMENSIONS | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Product Type | Mobile workstation | Mobile workstation |
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Dimensions (WxDxH) | 35.95 cm x 23.36 cm x 1.92 cm | 37.8 cm x 26.1 cm x 3.3 cm |
Weight | 1.73 kg | 2.8 kg |
Colour | - | Black |
DISPLAY | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Screen Size (Type) | 15.6" - IPS | 15.6" |
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LCD Backlight Technology | WLED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Brightness | 400 cd/m² | - |
Colour Gamut | 100% sRGB | - |
Features | Ambient light sensor, anti-glare, Panel Self Refresh (PSR), Low Power | Anti-glare |
PROCESSOR | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz |
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Max Turbo Speed | 4.2 GHz | 3.8 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | L3 - 6 MB | 6 MB |
64-bit Computing | Yes | Yes |
Chipset | - | Mobile Intel CM238 |
Features | Intel Turbo Boost Technology | Intel Turbo Boost Technology 2.0 |
MEMORY | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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RAM | 8 GB (1 x 8 GB) | 16 GB (2 x 8 GB) |
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Max RAM Supported | 64 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2666 MHz | 2400 MHz |
Rated Speed | 2666 MHz | 2400 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 4 |
Empty Slots | 1 | 2 |
STORAGE | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC) | 256 GB SSD M.2 PCIe |
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AUDIO & VIDEO | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Pro WX 4130 |
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Video Memory | - | 2 GB GDDR5 SDRAM |
Camera | Yes - HD | Yes - 1280 x 720 |
Camera Features | Privacy shutter, IR camera | - |
Image Sensor Type | - | CMOS |
Video Resolutions | 720p | 1280 x 720 |
Sound | Stereo speakers, HP World Facing Microphone multi-array digital microphone | Two microphones |
Compliant Standards | High Definition Audio | High Definition Audio |
Audio Features | Bang & Olufsen Audio | - |
COMMUNICATIONS | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Dual Band Wireless-AC 8265 |
Network Interface | - | Gigabit Ethernet |
Bluetooth Class | Class 2 | - |
Compliant Standards | Wi-Fi CERTIFIED | - |
Features | Miracast, dual stream (2x2), MU-MIMO | - |
BATTERY | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
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Battery Capacity (Size) | 56 Wh | - |
Battery Life | Up to 23 hours | - |
AC ADAPTER | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt, 5 / 9 / 12 / 15 / 20 V | 180 Watt, 19.5 V, 9.23 A |
INPUT | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Type | Keyboard, pointing stick, ClickPad | Keyboard, touchpad, pointing stick |
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Keyboard Name | HP Premium | - |
Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch clickpad, gesture function, precision touchpad, glass clickpad, DuraKeys | Multi-touch touchpad |
CONNECTIONS & EXPANSIONS | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Interfaces | USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 Headphone/microphone combo jack 2 x USB-C (supports Thunderbolt 3) HDMI |
Mini DisplayPort LAN 4 x USB 3.1 Gen 1 (PowerShare) Headphone/microphone combo jack HDMI Dock USB-C (supports Thunderbolt) |
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Memory Card Reader | - | Yes (SD Card) |
SOFTWARE | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
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Software Included | HP Recovery Manager, HP Support Assistant, Bing Toolbar, HP Hotkey Support, Windows Defender, HP Secure Erase, CyberLink Power Media Player, HP Device Access Manager, HP JumpStart, HP Noise Cancellation, Native Miracast, HP Connection Optimizer, HP Fingerprint Sensor, HP BIOSphere Gen5, HP Client Security Manager Gen5, HP Sure Sense, HP SureStart Gen5, HP Sure Recover Gen2, HP Sure Platform | Microsoft Office (Trial), McAfee (30 days trial) |
MISCELLANEOUS | HP ZBook Firefly 15 G7 Mobile Workstation | Dell Precision 7520 |
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Dockable | - | Yes |
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Included Accessories | USB-C power adapter | Power adapter |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM) Security Chip, smart card reader |
Security Slot Type | Kensington nano security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | BIOS Absolute Persistence, Power On Authentication, HP Fast Charge, Pre-boot Authentication, Master Boot Record Security | - |
Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, KCC, WEEE, A-Tick, ICES, CIT, low halogen, ICCP, AUS/NZ, MIL-STD 810H | - |
ENERGY STAR Certified | Yes | - |
TCO Certified | TCO Certified Notebooks 8 | - |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 0 °C | 10 °C |
Humidity Range Operating | 10 - 90% (non-condensing) | 20 - 80% (non-condensing) |
Manufacturer Warranty | Limited warranty - parts and labour - 3 years | Limited warranty - 3 years - response time: next business day |