HP EliteBook 840 G4 vs. HP ProBook 455 G8 Notebook

Laptop Comparison, Reviews and Tests

Side by side comparison and review of HP EliteBook 840 G4 and HP ProBook 455 G8 Notebook. 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 EliteBook 840 G4 Review

Advantages and disadvantages of HP EliteBook 840 G4 based on its technical characteristics, features, user experience, expert reviews and price level.

robust security features

solid build quality

comfortable keyboard

good battery life

decent performance

average display quality

no touchscreen option

limited graphics power

heavier design

HP ProBook 455 G8 Notebook Review

Advantages and disadvantages of HP ProBook 455 G8 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum chassis

efficient AMD processor

comfortable keyboard design

good battery life

fast charging support

modest display brightness

no thunderbolt support

limited upgrade options

average speaker quality

Laptop Comparison and Tests

Difference between HP EliteBook 840 G4 and HP ProBook 455 G8 Notebook
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
74 % - Battery
85 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
78 % - Battery

Laptop Specifications Comparison

HP EliteBook 840 G4 vs. HP ProBook 455 G8 Notebook Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Product Type Notebook Notebook
Dimensions (WxDxH) 33.8 cm x 23.7 cm x 1.89 cm 35.94 cm x 23.39 cm x 1.99 cm
Weight 1.48 kg 1.74 kg
Case Material Aluminum, magnesium alloy -
Colour - Pike silver aluminium
DISPLAY HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Screen Size (Type) 14" - IPS 15.6"
LCD Backlight Technology LED backlight WLED backlight
Screen Resolution 1366 x 768 (HD) 1366 x 768 (HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut - 45% NTSC
Features Slim Design, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare HD standard-viewing angle (SVA) eDP anti-glare, narrow-bezel design
PROCESSOR HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
CPU Intel Core i5 (7th Gen) 7200U / 2.5 GHz AMD Ryzen 3 5400U / 2.6 GHz
Max Turbo Speed 3.1 GHz 4 GHz
Number of Cores Dual-Core Quad-Core
Cache 3 MB L3 - 8 MB
64-bit Computing Yes -
Features Intel Turbo Boost Technology 2.0 -
MEMORY HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
RAM 8 GB 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 32 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed - 3200 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots - 1
STORAGE HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Main Storage Size (HDD/SSD) 256 GB SSD 256 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe), HP Value
AUDIO & VIDEO HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Graphics Processor (GPU) Intel HD Graphics 620 AMD Radeon Graphics
Memory Allocation Technology - Shared Video Memory (UMA)
Camera Yes - 720p Yes - HD
Camera Features - Privacy shutter
Video Resolutions - 720p
Sound Stereo speakers, two microphones Stereo speakers, dual array microphone
Audio Features Noise-cancellation technology, Bang & Olufsen Audio, HP Audio Boost -
COMMUNICATIONS HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller - PCI Express Mini Card (M.2)
Network Interface Gigabit Ethernet Gigabit Ethernet
Bluetooth Class - Class 2
Compliant Standards - IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.3ab, IEEE 802.11d, IEEE 802.1x, IEEE 802.11i, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v
Remote Management Protocol - SNMP 2
Features - Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO
BATTERY HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) - 45 Wh
Battery Life - Up to 14.75 hours
AC ADAPTER HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Input AC 120/230 V (50/60 Hz) AC 115/230 V (50/60 Hz)
Output - 45 Watt, 5 / 9 / 12 / 15 / 20 V
INPUT HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Type Keyboard, touchpad, pointing stick Keyboard, ClickPad
Keyboard Name - HP Premium
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Touchpad with gesture support Volume control, spill-resistant, multi-touch clickpad, ClickPad with gesture support
CONNECTIONS & EXPANSIONS HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Slots 1 x SIM card (1 free) -
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (charging)
USB-C
DisplayPort
VGA
LAN
Dock
Headphone/microphone combo jack
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (charging)
USB 3.2 Gen 1 (powered)
HDMI
LAN
Headphone/microphone combo jack
USB 3.2 Gen 1
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (microSD, microSDHC, microSDXC)
SOFTWARE HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Operating System (OS) Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) Windows 10 Pro 64-bit Edition National Academic - English
Software Included - HP Support Assistant, HP Power Manager, HP Hotkey Support, Windows Defender, HP Secure Erase, HP Wireless Button Driver, HP Client Catalogue (free download), HP Image Assistant (free download), HP PC Hardware Diagnostics, HP Noise Cancellation, HP LAN-WLAN Protection, HP Notifications, HP Connection Optimizer, HP Privacy Settings, HP QuickDrop, HP Manageability Integration Kit Gen4 (free dowload), HP Client Management Script Library (free download), Ivanti Management Suite (free download), HP BIOSphere Gen6, myHP, Xerox DocuShare (30 days trial), HP Smart Support (free download)
MISCELLANEOUS HP EliteBook 840 G4 HP ProBook 455 G8 Notebook
Dockable Yes -
Included Accessories Power adapter HP 45 Watt Smart nPFC AC Adapter
Security Trusted Platform Module (TPM 2.0) Security Chip Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Kensington security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features HP 3D DriveGuard, Automatic DriveLock, HP DriveLock, Power On Authentication, Pre-boot Authentication, HP Sure Start Gen 3, Master Boot Record Security USB port control, Automatic DriveLock, HP DriveLock, BIOS Update via Network
Compliant Standards ISO 9001, ISO 14001, ISO 27001 CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP
ENERGY STAR Certified Yes Yes
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 0 °C
Humidity Range Operating 10 - 90% (non-condensing) 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - parts and labour - 1 year
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