In depth comparison and review of HP EliteBook 845 G9 Notebook and HP ProBook 455 G4 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.
| DESIGN AND DIMENSIONS | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.56 cm x 22.4 cm x 1.92 cm | 38.2 cm x 26.3 cm x 2.44 cm |
| Weight | 1.4 kg | 2.08 kg |
| Case Material | - | Brushed aluminium |
| DISPLAY | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | - |
| V-Sync Rate at Max Res. | 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 | - |
| PROCESSOR | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| CPU | AMD Ryzen 7 6800U / 2.7 GHz | AMD A10 9600P / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | - |
| Number of Cores | 8-core | Quad-Core |
| Cache | L3 - 16 MB | 2 MB |
| 64-bit Computing | - | Yes |
| MEMORY | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| RAM | 16 GB (1 x 16 GB) | 0 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | - |
| Rated Speed | 4800 MHz | - |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 2 |
| STORAGE | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC), HP Value | - |
|---|
| AUDIO & VIDEO | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon R6 |
|---|---|---|
| Camera | Yes | - |
| Resolution | 5 Megapixel | - |
| Camera Features | Privacy shutter, IR camera, HP Auto Frame | - |
| Sound | Dual stereo speakers, dual array microphone | Stereo speakers |
| Codec | Realtek ALC3315 | - |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 | - |
|---|---|---|
| Wireless Controller | Qualcomm WCN6856 Wi-Fi 6E - M.2 2230 | - |
| Network Interface | - | Gigabit Ethernet |
| Bluetooth Class | Class 1.5 | - |
| Compliant Standards | Wi-Fi CERTIFIED | IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3az |
| Remote Management Protocol | - | SNMP 2 |
| Features | Miracast, dual stream (2x2), MU-MIMO | Wake-on-LAN (WOL) |
| BATTERY | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Technology | 3-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 51 Wh | - |
| Battery Life | Up to 18.75 hours | - |
| AC ADAPTER | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Input | AC 115/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 12 / 15 / 20 V, 8 A | - |
| INPUT | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Type | Keyboard, ClickPad | - |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Keyboard Backlight | Yes | - |
| Features | Precision touchpad, multi-gesture clickpad, spill-resistant | - |
| CONNECTIONS & EXPANSIONS | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Interfaces | 2 x USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.0 2 x USB 2.0 HDMI VGA LAN Headphone/microphone combo jack USB-C |
|---|---|---|
| Memory Card Reader | - | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Operating System (OS) | Windows 11 Pro - English | No operating system |
|---|---|---|
| Software Included | HP Support Assistant, HP Power Manager, HP Hotkey Support, HP Secure Erase, HP Drive Packs (free download), HP Client Catalogue (free download), HP PC Hardware Diagnostics, HP Notifications, HP Connection Optimizer, HP Sure Click, HP Privacy Settings, HP Sure Sense, HP Sure Admin, HP QuickDrop, HP Client Management Script Library (free download), HP BIOSphere Gen6, HP Wake on WLAN, myHP, HP Image Assistant Gen5 (free download), HP Client Security Manager Gen7, HP SureStart Gen7, HP Easy Clean, HP Quick Touch, HP Sure Recover Gen5, HP Sure Run Gen5, HP Manageability Integration Kit Gen4 (free download) | - |
| MISCELLANEOUS | HP EliteBook 845 G9 Notebook | HP ProBook 455 G4 Notebook |
|---|
| Included Accessories | HP 65 Watt nPFC Smart USB-C AC Adapter | - |
|---|---|---|
| Integrated Options | Hall sensor, IR thermal sensor, HP Tamper Lock | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington nano security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately), chassis intrusion sensor | Security lock slot (cable lock sold separately) |
| Features | Automatic DriveLock, BIOS Absolute Persistence, HP DriveLock, HP Fast Charge, BIOS Update via Network | HP 3D DriveGuard, HP BIOS Protection, SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-Boot Security |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FIPS 140-2 Level 2, FCC, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, RED, BNCI | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT |
| ENERGY STAR Certified | 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 Limited warranty - battery - 1 year |
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