In depth comparison and review of HP ProBook 455 G4 Notebook and HP 255 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 255 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate port selection
includes numeric keypad
average display quality
modest processor performance
limited graphics capabilities
no backlit keyboard
| DESIGN AND DIMENSIONS | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 38.2 cm x 26.3 cm x 2.44 cm | 35.8 cm x 24.2 cm x 1.99 cm |
| Weight | 2.08 kg | 1.74 kg |
| Case Material | Brushed aluminium | - |
| DISPLAY | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | WLED backlight |
| Screen Resolution | - | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design |
| PROCESSOR | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| CPU | AMD A10 9600P / 2.4 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.3 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 2 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| MEMORY | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| RAM | 0 GB | 8 GB (1 x 8 GB (non customer accessible / upgradeable)) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 2 | 1 |
| STORAGE | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value |
|---|
| AUDIO & VIDEO | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon R6 | AMD Radeon Graphics |
|---|---|---|
| Video System Features | - | AMD FreeSync |
| Camera | - | Yes - HD |
| Camera Features | - | Temporal Noise Reduction |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers | Dual stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3247 |
| COMMUNICATIONS | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | - | Realtek RTL8852BE - 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 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3az | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
| Remote Management Protocol | SNMP 2 | SNMP 2 |
| Features | Wake-on-LAN (WOL) | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Technology | - | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 41 Wh |
| Battery Life | - | Up to 10.25 hours |
| AC ADAPTER | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Input | - | AC 115/230 V (50 - 60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 19.5 V, 8 A |
| INPUT | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Type | - | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | - | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad |
| CONNECTIONS & EXPANSIONS | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Interfaces | USB 3.0 2 x USB 2.0 HDMI VGA LAN Headphone/microphone combo jack USB-C |
Headphone/microphone combo jack USB-C 3.2 Gen 1 HDMI LAN 2 x USB 3.2 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Operating System (OS) | No operating system | Windows 11 Home - English |
|---|---|---|
| Software Included | - | HP Support Assistant, Dropbox, McAfee (30 days trial), HP Audio Switch, HP PC Hardware Diagnostics, HP Connection Optimizer, HP Privacy Settings, ExpressVPN (30 days trial), HP QuickDrop, HP Smart App, myHP, Touchpoint Customiser for Commercial, LastPass password manager (30 days trial), HP Smart Health (free download) |
| MISCELLANEOUS | HP ProBook 455 G4 Notebook | HP 255 G9 Notebook |
|---|
| Included Accessories | - | 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 | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | 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 | HP Fast Charge |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT | UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% |
| Manufacturer Warranty | - | Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
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