HP ZBook Firefly 15 G7 Mobile Workstation vs. Dell Precision 5520

Laptop Comparison, Reviews and Tests
HP ZBook Firefly 15 G7 Mobile Workstation
HP ZBook Firefly 15 G7 Mobile Workstation

Our Rating: 85 %

Detailed comparison and review of HP ZBook Firefly 15 G7 Mobile Workstation and Dell Precision 5520. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

HP ZBook Firefly 15 G7 Mobile Workstation Review

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

Laptop Comparison and Tests

Difference between HP ZBook Firefly 15 G7 Mobile Workstation and Dell Precision 5520
83 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

HP ZBook Firefly 15 G7 Mobile Workstation vs. Dell Precision 5520 Comparison Chart
DESIGN AND DIMENSIONS HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 35.95 cm x 23.36 cm x 1.92 cm 35.7 cm x 23.5 cm x 1.7 cm
Weight 1.73 kg 2 kg
Colour - Silver
DISPLAY HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
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)
Widescreen Yes Yes
Image Brightness 400 cd/m² 400 cd/m²
Colour Gamut 100% sRGB -
Features Ambient light sensor, anti-glare, Panel Self Refresh (PSR), Low Power UltraSharp, anti-glare, Wide Viewing Angle
PROCESSOR HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz
Max Turbo Speed 4.2 GHz 3.6 GHz
Number of Cores Quad-Core Quad-Core
Cache L3 - 6 MB 8 MB
64-bit Computing Yes Yes
Chipset - Mobile Intel CM236 Express
Platform Technology - Intel vPro Platform
Features Intel Turbo Boost Technology Intel Turbo Boost Technology 2.0
MEMORY HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
RAM 8 GB (1 x 8 GB) 8 GB (1 x 8 GB)
Max RAM Supported 64 GB 32 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2133 MHz
Rated Speed 2666 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
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
AUDIO & VIDEO HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Graphics Processor (GPU) Intel UHD Graphics NVIDIA Quadro M1200
Video Memory - 4 GB GDDR5 SDRAM
Camera Yes - HD Yes
Resolution - 0.92 Megapixel
Camera Features Privacy shutter, IR camera -
Video Resolutions 720p 1280 x 720
Frame Rate - 30 frames per second
Sound Stereo speakers, HP World Facing Microphone multi-array digital microphone Stereo speakers, microphone
Compliant Standards High Definition Audio High Definition Audio
Audio Features Bang & Olufsen Audio -
COMMUNICATIONS HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac, Bluetooth 4.2
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 Miracast
BATTERY HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Technology 3-cell lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 56 Wh 56 Wh
Battery Life Up to 23 hours -
AC ADAPTER HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Input AC 115/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 12 / 15 / 20 V 130 Watt, 19.5 V, 6.67 A
INPUT HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Type Keyboard, pointing stick, ClickPad Keyboard, touchpad
Keyboard Name HP Premium -
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch clickpad, gesture function, precision touchpad, glass clickpad, DuraKeys -
CONNECTIONS & EXPANSIONS HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Interfaces USB 3.1 Gen 1 (charging)
USB 3.1 Gen 1
Headphone/microphone combo jack
2 x USB-C (supports Thunderbolt 3)
HDMI
USB-C (supports Thunderbolt 3)
LAN (on supplied cable)
2 x USB 3.0 (PowerShare)
Headphone/microphone combo jack
HDMI
Memory Card Reader - Yes (SD Card)
SOFTWARE HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 5520
Operating System (OS) Windows 10 Pro 64-bit Edition - English Microsoft Windows 7 Professional 64-bit Edition + Windows 10 Pro 64-bit Licence - Multilingual User Interface (MUI)
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 5520
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
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection 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 40 °C
Min Operating Temperature 0 °C 0 °C
Humidity Range Operating 10 - 90% (non-condensing) 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - parts and labour - 3 years Limited warranty - 1 year - response time: next business day
Other Comparisons with HP ZBook Firefly 15 G7 Mobile Workstation
Other Comparisons with Dell Precision 5520
Other Popular Laptop Comparisons
Other projects: