Side by side comparison and review of HP EliteBook 755 G4 Notebook and HP ProBook 455 G9 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.
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 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 38.36 cm x 25.77 cm x 1.94 cm | 35.94 cm x 23.39 cm x 1.99 cm |
| Weight | 1.84 kg | 1.74 kg |
| Case Material | Aluminum, magnesium alloy | - |
| Colour | - | Natural silver |
| DISPLAY | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Screen Size (Type) | 15.6" - TN | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED 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 | 300 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Slim Design, Full HD standard-viewing angle (SVA) eDP anti-glare | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent |
| PROCESSOR | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| CPU | AMD A10 PRO-8730B / 2.4 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 4.3 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 2 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| MEMORY | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 1866 MHz / PC4-17000 | 3200 MHz |
| Rated Speed | 2133 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD PCIe - HP Z Turbo Drive | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon R5 | AMD Radeon Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Camera Features | - | Privacy shutter, IR camera |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac, NFC, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 7265 - PCI Express Mini Card (M.2) | Realtek RTL8852BE |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Broadcom BCM5762 | Realtek RTL8111HSH |
| Bluetooth Class | Class 2 | - |
| Compliant Standards | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
| Features | Miracast | Miracast, dual stream (2x2) |
| BATTERY | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 51 Wh | 42.75 Wh |
| AC ADAPTER | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 115/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19.5 V | 45 Watt, 19.5 V |
| INPUT | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | HP Premium | HP Premium |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, gesture function | Spill-resistant, multi-touch clickpad, gesture function |
| CONNECTIONS & EXPANSIONS | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Interfaces | USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 USB-C DisplayPort 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, SDHC Card, SDXC Card) | Yes (SD Card, SDXC Card) |
| SOFTWARE | HP EliteBook 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home - English |
|---|---|---|
| Software Included | Skype, HP SoftPaq Download Manager, HP Recovery Manager, HP Support Assistant, Bing Toolbar, HP ePrint, HP Hotkey Support, HP Systems Software Manager (free download), HP BIOS Configuration Utility (free download), HP Drive Packs (free download), HP Client Catalogue (free download), HP Mobile Connect Pro, HP JumpStart, HP JetAdvantage Connect, HP Noise Cancellation, HP LAN-WLAN Protection, HP MAC Address Manager, HP MIK for Microsoft SCCM (free download), HP Client Security Suite Gen3 | 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 755 G4 Notebook | HP ProBook 455 G9 Notebook |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | HP 45 Watt Smart AC Adapter |
| Integrated Options | - | 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) | Security lock slot (cable lock sold separately) |
| Features | HP DuraKeys, HP BIOS Protection, BIOS Absolute Persistence, HP SureStart, HP Drive Encryption, SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-boot Authentication | 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 | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC, CIT | 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 - 3 years Limited warranty - battery - 3 years |
Limited warranty - parts and labour - 1 year |
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