Detailed comparison and review of HP ProBook 445 G9 Notebook and HP 255 G6 Notebook. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
DESIGN AND DIMENSIONS | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Product Type | Notebook | Notebook |
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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 445 G9 Notebook | HP 255 G6 Notebook |
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Screen Size (Type) | 14" - IPS | 15.6" - TN |
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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 |
Image Brightness | 250 cd/m² | 220 cd/m² |
Colour Gamut | 45% NTSC | - |
Features | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent | Slim Design, HD standard-viewing angle (SVA) eDP anti-glare |
PROCESSOR | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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CPU | AMD Ryzen 5 5625U / 2.3 GHz | AMD A6 9220 / 2.5 GHz |
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Max Turbo Speed | 4.3 GHz | 2.9 GHz |
Number of Cores | 6-core | Dual-Core |
Cache | L3 - 16 MB | L2 - 1 MB |
64-bit Computing | - | Yes |
MEMORY | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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RAM | 8 GB (1 x 8 GB) | 4 GB (1 x 4 GB (non customer accessible / upgradeable)) |
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Max RAM Supported | 32 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 445 G9 Notebook | HP 255 G6 Notebook |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 SATA 6Gb/s - HP Value |
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Optical Drive | - | DVD-Writer |
AUDIO & VIDEO | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon R4 |
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Camera | Yes - HD | - |
Camera Features | IR camera, privacy camera | - |
Video Resolutions | 720p | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
COMMUNICATIONS | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Wireless Controller | Realtek RTL8852BE - PCI Express Mini Card (M.2) | Intel Dual Band Wireless-AC 3168 - PCI Express Mini Card (M.2) |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Realtek RTL8111HSH | - |
Bluetooth Class | Class 2 | - |
Compliant Standards | IEEE 802.1D, IEEE 802.11i, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11w, IEEE 802.11r, IEEE 802.11u, IEEE 802.11v, Wi-Fi CERTIFIED 6 | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
Features | Miracast, dual stream (2x2), MU-MIMO | Single stream (1x1) |
BATTERY | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Technology | 3-cell lithium polymer | 3-cell Lithium Ion |
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Battery Capacity (Size) | 51.3 Wh | 31 Wh |
AC ADAPTER | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 45 Watt, 19.5 V, 8 A | 45 Watt |
INPUT | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Type | Keyboard, ClickPad | Keyboard, touchpad |
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Keyboard Name | HP Premium | - |
Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | - |
Features | Multi-touch clickpad, ClickPad with gesture support, gesture function, spill-resistant | Multi-touch touchpad, touchpad with gesture support |
CONNECTIONS & EXPANSIONS | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Interfaces | USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) 3 x USB 3.2 Gen 1 LAN HDMI Headphone/microphone combo jack |
2 x USB 3.1 Gen 1 USB 2.0 VGA HDMI Headphone/microphone combo jack LAN |
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Memory Card Reader | - | Yes (SD Card, SDHC Card, SDXC Card) |
SOFTWARE | HP ProBook 445 G9 Notebook | HP 255 G6 Notebook |
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Operating System (OS) | Windows 10 Pro (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 10 Home 64-bit Edition - English |
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Software Included | HP Support Assistant, HP Power Manager, HP Hotkey Support, HP Secure Erase, HP Drive Packs (free download), HP Client Catalogue (free download), HP PC Hardware Diagnostics, HP Manageability & Integration Kit (free download), HP Notifications, HP Connection Optimizer, HP Sure Click, HP Privacy Settings, HP Sure Admin, HP QuickDrop, HP Client Management Script Library (free download), HP BIOSphere Gen6, HP Wake on WLAN, myHP, Touchpoint Customiser for Commercial, HSA Fusion for Commercial, HSA Telemetry for Commercial, HP Image Assistant Gen5 (free download), HP SureStart Gen7, HP Smart Support, HP Connect for Microsoft Endpoint Manager, HP Patch Assistant (free download), HP Sure Sense Gen2 | 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 445 G9 Notebook | HP 255 G6 Notebook |
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Included Accessories | HP 45 Watt Smart AC Adapter | Power adapter |
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Integrated Options | HP Tamper Lock | - |
Security | Trusted Platform Module (TPM 2.0) Security Chip | 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 | USB port control, BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, BIOS Update via Network, HP Sure Click, HP Sure Sense, HP Secure Erase, HP Sure Admin, Secured-core PC capable, HP BIOSphere Gen 6 | - |
Compliant Standards | CSA, UL, VCCI, BSMI, SABS, CCC, FIPS 140-2 Level 2, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, EAC, CIT, CP65, low halogen, IEEE 1680, ICCP, RED | - |
ENERGY STAR Certified | Yes | Yes |
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 - 1 year Limited warranty - battery - 1 year |