HP EliteBook 820 G4 vs. HP 255 G6 Notebook

Laptop Comparison, Reviews and Tests

In depth comparison and review of HP EliteBook 820 G4 and HP 255 G6 Notebook. 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.

HP EliteBook 820 G4 Review

Advantages and disadvantages of HP EliteBook 820 G4 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

portable lightweight design

fast ssd storage

good security features

decent battery life

average display quality

limited graphics performance

noisy under load

higher price point

Laptop Comparison and Tests

Difference between HP EliteBook 820 G4 and HP 255 G6 Notebook
85 % - Design
72 % - Display
72 % - Performance
75 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

HP EliteBook 820 G4 vs. HP 255 G6 Notebook Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 820 G4 HP 255 G6 Notebook
Product Type Notebook Notebook
Dimensions (WxDxH) 31 cm x 21.89 cm x 1.89 cm 38 cm x 25.38 cm x 2.38 cm
Weight 1.26 kg 1.86 kg
Colour - Jet black
DISPLAY HP EliteBook 820 G4 HP 255 G6 Notebook
Screen Size (Type) 12.5" 15.6" - TN
LCD Backlight Technology LED backlight WLED backlight
Screen Resolution 1920 x 1080 (Full HD) 1366 x 768 (HD)
Pixel Density (ppi) - 100
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 220 cd/m²
Features - Slim Design, HD standard-viewing angle (SVA) eDP anti-glare
PROCESSOR HP EliteBook 820 G4 HP 255 G6 Notebook
CPU Intel Core i5 (7th Gen) 7300U / 2.6 GHz AMD A6 9220 / 2.5 GHz
Max Turbo Speed 3.5 GHz 2.9 GHz
Number of Cores Dual-Core Dual-Core
Cache 3 MB L2 - 1 MB
64-bit Computing - Yes
Features Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache -
MEMORY HP EliteBook 820 G4 HP 255 G6 Notebook
RAM 8 GB 4 GB (1 x 4 GB (non customer accessible / upgradeable))
Max RAM Supported 32 GB 8 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2133 MHz 2133 MHz / PC4-19200
Rated Speed - 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots - 0
STORAGE HP EliteBook 820 G4 HP 255 G6 Notebook
Main Storage Size (HDD/SSD) 256 GB SSD 256 GB SSD M.2 SATA 6Gb/s - HP Value
Optical Drive - DVD-Writer
AUDIO & VIDEO HP EliteBook 820 G4 HP 255 G6 Notebook
Graphics Processor (GPU) Intel HD Graphics 620 AMD Radeon R4
Camera Yes - 720p -
Sound Stereo speakers, two microphones Stereo speakers, microphone
Codec CX7501 -
Audio Features Noise-cancellation technology, Bang & Olufsen Audio, HP Clear Sound Amp -
COMMUNICATIONS HP EliteBook 820 G4 HP 255 G6 Notebook
Wireless Bluetooth 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller - Intel Dual Band Wireless-AC 3168 - PCI Express Mini Card (M.2)
Network Interface Gigabit Ethernet Gigabit Ethernet
Compliant Standards - IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED
Features - Single stream (1x1)
BATTERY HP EliteBook 820 G4 HP 255 G6 Notebook
Technology - 3-cell Lithium Ion
Battery Capacity (Size) - 31 Wh
AC ADAPTER HP EliteBook 820 G4 HP 255 G6 Notebook
Input - AC 120/230 V (50/60 Hz)
Output - 45 Watt
INPUT HP EliteBook 820 G4 HP 255 G6 Notebook
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Features Touchpad with gesture support Multi-touch touchpad, touchpad with gesture support
CONNECTIONS & EXPANSIONS HP EliteBook 820 G4 HP 255 G6 Notebook
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (charging)
USB-C
DisplayPort
VGA
LAN
Dock
Headphone/microphone combo jack
2 x USB 3.1 Gen 1
USB 2.0
VGA
HDMI
Headphone/microphone combo jack
LAN
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (SD Card, SDHC Card, SDXC Card)
SOFTWARE HP EliteBook 820 G4 HP 255 G6 Notebook
Operating System (OS) Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) Windows 10 Home 64-bit Edition - English
Software Included - HP Support Assistant, Bing Toolbar, HP ePrint, HP PC Hardware Diagnostics UEFI, Recovery Manager Installer, Microsoft Push Button Recovery, CyberLink Power Media Player, HP Touchpoint Manager, HP System Event Utility, HP JumpStart
MISCELLANEOUS HP EliteBook 820 G4 HP 255 G6 Notebook
Dockable Yes -
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Compliant Standards ISO 9001, ISO 14001, ISO 27001 -
ENERGY STAR Certified - Yes
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - 1 year
Limited warranty - battery - 1 year
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