In depth comparison and review of HP EliteBook 840 G6 Notebook and HP ProBook 455 G9 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.
Advantages and disadvantages of HP EliteBook 840 G6 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
sleek aluminum design
comfortable keyboard
bright display
strong performance
average battery life
no HDMI port
limited storage capacity
higher price point
Advantages and disadvantages of HP ProBook 455 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum design
powerful AMD processor
comfortable keyboard layout
fast charging support
good value for money
average display brightness
no thunderbolt support
limited color options
heavier than competitors
| DESIGN AND DIMENSIONS | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.6 cm x 23.43 cm x 1.79 cm | 35.94 cm x 23.39 cm x 1.99 cm |
| Weight | 1.48 kg | 1.74 kg |
| Case Material | Aluminum | - |
| Colour | - | Natural silver |
| DISPLAY | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | 950 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Full HD anti-glare, privacy filter, 72% NTSC colour gamut | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent |
| PROCESSOR | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.3 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | L3 - 6 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 2400 MHz / PC4-19200 | 3200 MHz |
| Rated Speed | 2400 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC), HP Value | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
|---|---|---|
| SSD Cache | 32 GB 3D Xpoint (Optane) (PCIe (NVMe)) | - |
| AUDIO & VIDEO | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | AMD Radeon Graphics |
|---|---|---|
| Camera | Yes - HD | Yes - HD |
| Camera Features | IR camera | Privacy shutter, IR camera |
| Video Resolutions | 720p | 720p |
| Sound | Stereo speakers, 3 multi-array microphone | Stereo speakers, dual array microphone |
| Audio Features | Noise-cancellation technology, Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Wireless-AX 22260 | Realtek RTL8852BE |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | Realtek RTL8111HSH |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.1x, IEEE 802.3ae, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.3az | - |
| Features | Miracast, dual stream (2x2) | Miracast, dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| BATTERY | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 42.75 Wh |
| Battery Life | Up to 17.25 hours | - |
| AC ADAPTER | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 115/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 19.5 V |
| INPUT | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Type | Keyboard, pointing stick, ClickPad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | HP Premium Collaboration Keyboard | HP Premium |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch clickpad, precision touchpad, glass clickpad | Spill-resistant, multi-touch clickpad, gesture function |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Interfaces | USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 USB-C (supports Thunderbolt) HDMI LAN Dock Headphone/microphone combo jack |
USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) LAN USB 3.2 Gen 1 HDMI Headphone/microphone combo jack USB 3.2 Gen 1 (powered) USB 3.2 Gen 1 (Power Delivery) |
|---|---|---|
| Memory Card Reader | - | Yes (SD Card, SDXC Card) |
| SOFTWARE | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home - English |
|---|---|---|
| Software Included | HP Recovery Manager, HP Support Assistant, HP ePrint, HP Hotkey Support, HP Spare Key, Password Manager, Windows Defender, HP Velocity, HP Secure Erase, HP Security Manager, HP Client Catalog, HP Credential Manager, Absolute Persistence, HP BIOS Config Utility, HP Device Access Manager, HP JumpStart, HP Noise Cancellation, HP System Software Manager, HP LAN-WLAN Protection, Native Miracast, HP JetAdvantage, HP PhoneWise, HP Connection Optimizer, HP Sure Click, Power On Authentication, HP BIOSphere Gen5, HP Client Security Gen5 | HP Support Assistant, HP Hotkey Support, HP Drive Packs (free download), HP Client Catalogue (free download), HP PC Hardware Diagnostics, HP Notifications, HP Connection Optimizer, HP Privacy Settings, HP QuickDrop, HP Client Management Script Library (free download), myHP, Touchpoint Customiser for Commercial, HP Image Assistant Gen5 (free download), HP Smart Support (free download), HP Smart Support, HP Manageability Integration Kit (free download), HP Quick Touch, HP Connect for Microsoft Endpoint Manager, HP Patch Assistant (free download) |
| MISCELLANEOUS | HP EliteBook 840 G6 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | HP 45 Watt Smart AC Adapter |
| Integrated Options | Hood sensor, ambient light sensor | HP Tamper Lock |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | 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), padlock loop | Security lock slot (cable lock sold separately) |
| Features | Power-on password, BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, Power On Authentication, HP Fast Charge, Pre-boot Authentication, MU-MIMO technology, Master Boot Record Security, HP Sure Run, HP Sure Recover, HP Wireless Wakeup, BIOS Update via Network, HP Sure Start Gen 5 | Automatic DriveLock, BIOS Absolute Persistence, HP DriveLock, HP Fast Charge, BIOS Update via Network, HP Sure Click, HP Sure Sense, HP Secure Erase, HP Sure Admin, HP Client Security Manager Gen 7, HP BIOSphere Gen 6, HP Sure Start Gen 7, Secured-core PC enabled, HP Sure Run Gen 5 |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FIPS 140-2 Level 2, FCC, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, BNCI |
| 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 - parts and labour - 3 years | Limited warranty - parts and labour - 1 year |
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