In depth comparison and review of HP EliteBook 840 G9 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 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
premium build quality
powerful intel processors
bright display options
excellent keyboard feel
higher price point
average battery life
no dedicated GPU
limited color options
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 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.56 cm x 22.405 cm x 1.92 cm | 35.94 cm x 23.39 cm x 1.99 cm |
| Weight | 1.36 kg | 1.74 kg |
| Colour | - | Natural silver |
| DISPLAY | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | WLED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | - |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | WUXGA ultra wide-viewing angle (UWVA) anti-glare eDP | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent |
| PROCESSOR | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.3 GHz |
| Number of Cores | 10-core | 6-core |
| Cache | L3 - 12 MB | L3 - 16 MB |
| Features | Intel Turbo Boost Technology | - |
| MEMORY | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| RAM | 0 GB | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 2 | 1 |
| STORAGE | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Graphics |
|---|---|---|
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | - | Yes - HD |
| Camera Features | - | Privacy shutter, IR camera |
| Video Resolutions | - | 720p |
| Sound | Dual stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3315 | - |
| Audio Features | Bang & Olufsen Audio, discrete amplifiers | - |
| COMMUNICATIONS | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | - | Realtek RTL8852BE |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111HSH |
| Features | - | Miracast, dual stream (2x2) |
| BATTERY | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 42.75 Wh |
| AC ADAPTER | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Input | - | AC 115/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 19.5 V |
| INPUT | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Type | Keyboard, ClickPad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | HP Premium | HP Premium |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch clickpad, gesture function, spill-resistant, DuraKeys | Spill-resistant, multi-touch clickpad, gesture function |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 HDMI 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 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Operating System (OS) | No operating system | Windows 11 Home - English |
|---|---|---|
| Software Included | - | 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 G9 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Included Accessories | - | HP 45 Watt Smart AC Adapter |
|---|---|---|
| Integrated Options | Accelerometer, magnetometer, gyro sensor, hall sensor, HP Tamper Lock | HP Tamper Lock |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington nano security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately), chassis intrusion sensor | Security lock slot (cable lock sold separately) |
| Features | BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, Secured-core PC capable | 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, FIPS 140-2 Level 2, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, 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 - 1 year |
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