HP ProBook 450 G6 Notebook vs. HP 255 G9 Notebook

Laptop Comparison, Reviews and Tests
HP ProBook 450 G6 Notebook
HP ProBook 450 G6 Notebook

Our Rating: 72 %

Detailed comparison and review of HP ProBook 450 G6 Notebook and HP 255 G9 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.

HP ProBook 450 G6 Notebook Review

Advantages and disadvantages of HP ProBook 450 G6 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

comfortable keyboard

decent battery life

solid performance

affordable price

average display quality

modest graphics power

heavier design

limited port selection

HP 255 G9 Notebook Review

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

Laptop Comparison and Tests

Difference between HP ProBook 450 G6 Notebook and HP 255 G9 Notebook
73 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery
74 % - Design
66 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

HP ProBook 450 G6 Notebook vs. HP 255 G9 Notebook Comparison Chart
DESIGN AND DIMENSIONS HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Product Type Notebook Notebook
Dimensions (WxDxH) 36.49 cm x 25.69 cm x 1.9 cm 35.8 cm x 24.2 cm x 1.99 cm
Weight 2 kg 1.74 kg
DISPLAY HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Screen Size (Type) 15.6" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight WLED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Brightness 220 cd/m² 250 cd/m²
Colour Gamut 67% sRGB 45% NTSC
Features Slim Design, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design
PROCESSOR HP ProBook 450 G6 Notebook HP 255 G9 Notebook
CPU Intel Core i3 (8th Gen) 8145U / 2.1 GHz AMD Ryzen 5 5625U / 2.3 GHz
Max Turbo Speed 3.9 GHz 4.3 GHz
Number of Cores Dual-Core 6-core
Cache L3 - 4 MB L3 - 16 MB
64-bit Computing Yes -
Features Intel Turbo Boost Technology 2.0 -
MEMORY HP ProBook 450 G6 Notebook HP 255 G9 Notebook
RAM 4 GB (1 x 4 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 2400 MHz 3200 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 SATA 6Gb/s - triple-level cell (TLC) 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value
AUDIO & VIDEO HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Graphics Processor (GPU) Intel UHD Graphics 620 AMD Radeon Graphics
Video System Features - AMD FreeSync
Camera Yes - 720p Yes - HD
Camera Features - Temporal Noise Reduction
Video Resolutions - 720p
Sound Stereo speakers, microphone Dual stereo speakers, dual array microphone
Codec - Realtek ALC3247
COMMUNICATIONS HP ProBook 450 G6 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 Intel Wireless-AC 9560 - PCI Express Mini Card (M.2) Realtek RTL8852BE - PCI Express Mini Card (M.2)
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111HSH-CG -
Bluetooth Class Class 2 Class 2
Compliant Standards IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED
Remote Management Protocol - SNMP 2
Features - Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO
BATTERY HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Technology 3-cell Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 45 Wh 41 Wh
Battery Life Up to 12.5 hours Up to 10.25 hours
AC ADAPTER HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Input AC 120/230 V (50/60 Hz) AC 115/230 V (50 - 60 Hz)
Output 45 Watt, 19.5 V 45 Watt, 19.5 V, 8 A
INPUT HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Type Keyboard, ClickPad Keyboard, touchpad
Keyboard Name HP Premium -
Numeric Keypad Yes Yes
Features Spill-resistant, multi-touch clickpad, ClickPad with gesture support Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad
CONNECTIONS & EXPANSIONS HP ProBook 450 G6 Notebook HP 255 G9 Notebook
Interfaces USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
USB 2.0 (powered)
2 x USB 3.1
HDMI
LAN
Headphone/microphone combo jack
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 450 G6 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 Hotkey Support, Windows Defender, HP Secure Erase, HP Drive Packs (free download), HP Client Catalog, HP BIOS Config Utility, HP 3D DriveGuard, HP JumpStart, HP Noise Cancellation, HP System Software Manager, HP LAN-WLAN Protection, HP Wireless Wakeup, HP Connection Optimizer, HP BIOSphere Gen4, HP Client Security Suite Gen4, HP Host Based MAC Address Manager, HP Manageability Integration Kit Gen2 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 450 G6 Notebook HP 255 G9 Notebook
Included Accessories Power adapter HP 45 Watt Smart nPFC AC Adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader 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 Automatic Drive Lock, HP DriveLock, HP Fast Charge, Pre-boot Authentication, 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 - battery - 1 year
Limited warranty - parts and labour - 1 year
Limited warranty - battery - 1 year
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