In depth comparison and review of HP ProBook 640 G8 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 ProBook 640 G8 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
solid build quality
good processor performance
decent battery life
comfortable keyboard
average display quality
limited graphics power
no thunderbolt support
heavier than competitors
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 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.19 cm x 21.39 cm x 1.99 cm | 35.8 cm x 24.2 cm x 1.99 cm |
| Weight | 1.38 kg | 1.74 kg |
| DISPLAY | HP ProBook 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design |
| PROCESSOR | HP ProBook 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| CPU | Intel Core i5 (11th Gen) 1145G7 / 2.6 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.3 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | - |
| MEMORY | HP ProBook 640 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 | 64 GB | 32 GB |
| RAM Type | DDR4 SDRAM - non-ECC | 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 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value |
|---|
| AUDIO & VIDEO | HP ProBook 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Graphics |
|---|---|---|
| Video System Features | - | AMD FreeSync |
| Camera | Yes - HD | Yes - HD |
| Camera Features | IR camera | 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 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | Realtek RTL8852BE - PCI Express Mini Card (M.2) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-LM | - |
| Bluetooth Class | Class 2 | 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 802.11d, IEEE 802.1x, IEEE 802.11i, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.3az, 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), CNVi | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | HP ProBook 640 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 12.75 hours | Up to 10.25 hours |
| AC ADAPTER | HP ProBook 640 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 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | - | Yes |
| Features | Volume control, spill-resistant, multi-touch clickpad | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad |
| CONNECTIONS & EXPANSIONS | HP ProBook 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Interfaces | USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (powered) USB 3.2 Gen 1 (Power Delivery) HDMI Headphone/microphone combo jack USB 3.2 Gen 1 LAN |
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) |
| SOFTWARE | HP ProBook 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - 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 BIOS Configuration Utility (free download), HP Client Catalogue (free download), HP Image Assistant, HP Noise Cancellation, HP LAN-WLAN Protection, HP Notifications, HP System Software Manager (free download), HP Connection Optimizer, HP Manageability & Integration Kit Gen3 (free download), HP BIOSphere Gen5, HP Privacy Settings, HP Client Management Script Library (free download), myHP, HSA Fusion for Commercial, HSA Telemetry for Commercial | 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 640 G8 Notebook | HP 255 G9 Notebook |
|---|
| Included Accessories | HP 45 Watt nPFC USB-C AC Adapter | HP 45 Watt Smart nPFC AC Adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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 | Power-on password, Setup Password, Automatic DriveLock, HP DriveLock, Power On Authentication, HP Fast Charge, Pre-boot Authentication, Master Boot Record Security, BIOS Update via Network | HP Fast Charge |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, 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 |
| EPEAT Compliant | EPEAT Gold | - |
| 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 |
Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
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