Side by side comparison and review of HP ProBook 455 G8 Notebook and HP 255 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 G8 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum chassis
efficient AMD processor
comfortable keyboard design
good battery life
fast charging support
modest display brightness
no thunderbolt support
limited upgrade options
average speaker quality
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 G8 Notebook | HP 255 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.94 cm x 23.39 cm x 1.99 cm | 35.8 cm x 24.2 cm x 1.99 cm |
| Weight | 1.74 kg | 1.74 kg |
| Colour | Pike silver aluminium | - |
| DISPLAY | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | WLED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | HD standard-viewing angle (SVA) eDP anti-glare, narrow-bezel design | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design |
| PROCESSOR | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| CPU | AMD Ryzen 3 5400U / 2.6 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.3 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | L3 - 8 MB | L3 - 16 MB |
| MEMORY | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB (non customer accessible / upgradeable)) |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 3200 MHz | 3200 MHz |
| Rated Speed | 3200 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe), HP Value | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value |
|---|
| AUDIO & VIDEO | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Video System Features | - | AMD FreeSync |
| Camera | Yes - HD | Yes - HD |
| Camera Features | Privacy shutter | Temporal Noise Reduction |
| Video Resolutions | 720p | 720p |
| Sound | Stereo speakers, dual array microphone | Dual stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3247 |
| COMMUNICATIONS | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | PCI Express Mini Card (M.2) | Realtek RTL8852BE - PCI Express Mini Card (M.2) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Bluetooth Class | Class 2 | Class 2 |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.3ab, IEEE 802.11d, IEEE 802.1x, IEEE 802.11i, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
| Remote Management Protocol | SNMP 2 | SNMP 2 |
| Features | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 41 Wh |
| Battery Life | Up to 14.75 hours | Up to 10.25 hours |
| AC ADAPTER | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 115/230 V (50 - 60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 45 Watt, 19.5 V, 8 A |
| INPUT | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | Yes | Yes |
| Features | Volume control, spill-resistant, multi-touch clickpad, ClickPad with gesture support | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad |
| CONNECTIONS & EXPANSIONS | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Interfaces | USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 (powered) HDMI LAN Headphone/microphone combo jack USB 3.2 Gen 1 |
Headphone/microphone combo jack USB-C 3.2 Gen 1 HDMI LAN 2 x USB 3.2 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP ProBook 455 G8 Notebook | HP 255 G9 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition National Academic - English | Windows 11 Home - English |
|---|---|---|
| Software Included | HP Support Assistant, HP Power Manager, HP Hotkey Support, Windows Defender, HP Secure Erase, HP Wireless Button Driver, HP Client Catalogue (free download), HP Image Assistant (free download), HP PC Hardware Diagnostics, HP Noise Cancellation, HP LAN-WLAN Protection, HP Notifications, HP Connection Optimizer, HP Privacy Settings, HP QuickDrop, HP Manageability Integration Kit Gen4 (free dowload), HP Client Management Script Library (free download), Ivanti Management Suite (free download), HP BIOSphere Gen6, myHP, Xerox DocuShare (30 days trial), HP Smart Support (free download) | 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 G8 Notebook | HP 255 G9 Notebook |
|---|
| Included Accessories | HP 45 Watt Smart nPFC AC Adapter | 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 nano security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | USB port control, Automatic DriveLock, HP DriveLock, BIOS Update via Network | HP Fast Charge |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP | UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP |
| ENERGY STAR Certified | Yes | 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 - parts and labour - 1 year Limited warranty - battery - 1 year |