HP ZBook Firefly 15 G7 Mobile Workstation vs. Dell Precision 3551

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

Our Rating: 85 %

Side by side comparison and review of HP ZBook Firefly 15 G7 Mobile Workstation and Dell Precision 3551. 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.

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

Dell Precision 3551 Review

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

Laptop Comparison and Tests

Difference between HP ZBook Firefly 15 G7 Mobile Workstation and Dell Precision 3551
83 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
74 % - Design
64 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

HP ZBook Firefly 15 G7 Mobile Workstation vs. Dell Precision 3551 Comparison Chart
DESIGN AND DIMENSIONS HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 35.95 cm x 23.36 cm x 1.92 cm 35.91 cm x 23.625 cm x 1.499 cm
Weight 1.73 kg 1.89 kg
DISPLAY HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
Screen Size (Type) 15.6" - IPS 15.6"
LCD Backlight Technology WLED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) - 141
V-Sync Rate at Max Res. - 60 Hz
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, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle
PROCESSOR HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i7 (10th Gen) 10750H / 2.6 GHz
Max Turbo Speed 4.2 GHz 5 GHz
Number of Cores Quad-Core 6-core
Cache L3 - 6 MB 12 MB
64-bit Computing Yes Yes
Features Intel Turbo Boost Technology Intel Turbo Boost Max Technology 3.0
MEMORY HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
RAM 8 GB (1 x 8 GB) 8 GB (1 x 8 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2933 MHz
Rated Speed 2666 MHz 2933 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 3551
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 3551
Graphics Processor (GPU) Intel UHD Graphics NVIDIA Quadro P620
Video Memory - 4 GB GDDR5 SDRAM
Camera Yes - HD Yes - HD
Resolution - 8 Megapixel
Camera Features Privacy shutter, IR camera 78.6 degrees
Image Sensor Type - CMOS
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, dual array microphone
Codec - Realtek ALC3204
Compliant Standards High Definition Audio High Definition Audio, Wave MAXXAudio Pro
Audio Features Bang & Olufsen Audio -
COMMUNICATIONS HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1
Wireless Controller Intel Wi-Fi 6 AX 201 Intel Wi-Fi 6 AX 201
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 3551
Technology 3-cell lithium polymer 4-cell
Battery Capacity (Size) 56 Wh 68 Wh
Battery Life Up to 23 hours -
AC ADAPTER HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
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, 20 V, 6.5 A
INPUT HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
Type Keyboard, pointing stick, ClickPad Keyboard, touchpad, pointing stick
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 3551
Interfaces USB 3.1 Gen 1 (charging)
USB 3.1 Gen 1
Headphone/microphone combo jack
2 x USB-C (supports Thunderbolt 3)
HDMI
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 15 G7 Mobile Workstation Dell Precision 3551
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 10 Pro 64-bit Edition - 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)
MISCELLANEOUS HP ZBook Firefly 15 G7 Mobile Workstation Dell Precision 3551
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 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) 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 0 °C
Humidity Range Operating 10 - 90% (non-condensing) 0 - 95% (non-condensing)
Manufacturer Warranty Limited warranty - parts and labour - 3 years -
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