In depth comparison and review of HP ProBook 640 G8 Notebook and HP 255 G6 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
| DESIGN AND DIMENSIONS | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.19 cm x 21.39 cm x 1.99 cm | 38 cm x 25.38 cm x 2.38 cm |
| Weight | 1.38 kg | 1.86 kg |
| Colour | - | Jet black |
| DISPLAY | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | WLED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Pixel Density (ppi) | - | 100 |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare | Slim Design, HD standard-viewing angle (SVA) eDP anti-glare |
| PROCESSOR | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| CPU | Intel Core i5 (11th Gen) 1145G7 / 2.6 GHz | AMD A6 9220 / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 2.9 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 8 MB | L2 - 1 MB |
| 64-bit Computing | Yes | 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 G6 Notebook |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB (1 x 4 GB (non customer accessible / upgradeable)) |
|---|---|---|
| Max RAM Supported | 64 GB | 8 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 3200 MHz | 2133 MHz / PC4-19200 |
| Rated Speed | 3200 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value | 256 GB SSD M.2 SATA 6Gb/s - HP Value |
|---|---|---|
| Optical Drive | - | DVD-Writer |
| AUDIO & VIDEO | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon R4 |
|---|---|---|
| Camera | Yes - HD | - |
| Camera Features | IR camera | - |
| Video Resolutions | 720p | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| COMMUNICATIONS | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Dual Band Wireless-AC 3168 - PCI Express Mini Card (M.2) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-LM | - |
| 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 802.11d, 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 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
| Remote Management Protocol | SNMP 2 | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2), CNVi | Single stream (1x1) |
| BATTERY | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Technology | 3-cell lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 31 Wh |
| Battery Life | Up to 12.75 hours | - |
| AC ADAPTER | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 45 Watt |
| INPUT | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | - | Yes |
| Features | Volume control, spill-resistant, multi-touch clickpad | Multi-touch touchpad, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP ProBook 640 G8 Notebook | HP 255 G6 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 |
2 x USB 3.1 Gen 1 USB 2.0 VGA HDMI Headphone/microphone combo jack LAN |
|---|---|---|
| Memory Card Reader | - | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition - 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, Bing Toolbar, HP ePrint, HP PC Hardware Diagnostics UEFI, Recovery Manager Installer, Microsoft Push Button Recovery, CyberLink Power Media Player, HP Touchpoint Manager, HP System Event Utility, HP JumpStart |
| MISCELLANEOUS | HP ProBook 640 G8 Notebook | HP 255 G6 Notebook |
|---|
| Included Accessories | HP 45 Watt nPFC USB-C AC Adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware 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) | 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 | - |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP | - |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
Limited warranty - 1 year Limited warranty - battery - 1 year |
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