HP ProBook 455 G9 Notebook vs. HP 255 G8 Notebook

Laptop Comparison, Reviews and Tests

Detailed comparison and review of HP ProBook 455 G9 Notebook and HP 255 G8 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 455 G9 Notebook Review

Advantages and disadvantages of HP ProBook 455 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum design

powerful AMD processor

comfortable keyboard layout

fast charging support

good value for money

average display brightness

no thunderbolt support

limited color options

heavier than competitors

HP 255 G8 Notebook Review

Advantages and disadvantages of HP 255 G8 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

decent battery life

solid build quality

adequate performance

good connectivity options

average display quality

modest graphics power

limited storage capacity

no backlight keyboard

Laptop Comparison and Tests

Difference between HP ProBook 455 G9 Notebook and HP 255 G8 Notebook
85 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
72 % - Design
66 % - Display
65 % - Performance
75 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

HP ProBook 455 G9 Notebook vs. HP 255 G8 Notebook Comparison Chart
DESIGN AND DIMENSIONS HP ProBook 455 G9 Notebook HP 255 G8 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 Natural silver Dark ash silver
DISPLAY HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Screen Size (Type) 15.6" - 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 -
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent Anti-glare, narrow-bezel design
PROCESSOR HP ProBook 455 G9 Notebook HP 255 G8 Notebook
CPU AMD Ryzen 5 5625U / 2.3 GHz AMD Ryzen 5 3500U / 2.1 GHz
Max Turbo Speed 4.3 GHz 3.7 GHz
Number of Cores 6-core Quad-Core
Cache L3 - 16 MB L3 - 4 MB
64-bit Computing - Yes
MEMORY HP ProBook 455 G9 Notebook HP 255 G8 Notebook
RAM 8 GB (1 x 8 GB) 8 GB (1 x 8 GB (non customer accessible / upgradeable))
Max RAM Supported 32 GB 16 GB
RAM Type DDR4 SDRAM - non-ECC DDR4 SDRAM - non-ECC
Speed 3200 MHz 2400 MHz / PC4-19200
Rated Speed 3200 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe)
AUDIO & VIDEO HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Graphics Processor (GPU) AMD Radeon Graphics AMD Radeon Graphics
Camera Yes - HD Yes - HD
Camera Features Privacy shutter, IR camera HP TrueVision HD
Video Resolutions 720p 720p
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
COMMUNICATIONS HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller Realtek RTL8852BE Intel Wi-Fi 6 AX 200
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111HSH Realtek RTL8111HSH-CG
Compliant Standards - IEEE 802.11b, IEEE 802.11a, IEEE 802.11d, IEEE 802.11g, IEEE 802.11i, IEEE 802.11h, IEEE 802.11e, IEEE 802.11n, IEEE 802.11k, IEEE 802.11ac, IEEE 802.11r, IEEE 802.11v
Features Miracast, dual stream (2x2) Dual stream (2x2)
BATTERY HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Technology 3-cell lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 42.75 Wh 41 Wh
AC ADAPTER HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Input AC 115/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 45 Watt, 19.5 V 45 Watt, 19.5 V
INPUT HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Type Keyboard, ClickPad Keyboard, touchpad
Keyboard Name HP Premium -
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch clickpad, gesture function Multi-touch touchpad, touchpad with gesture support
CONNECTIONS & EXPANSIONS HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Interfaces USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
LAN
USB 3.2 Gen 1
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1 (powered)
USB 3.2 Gen 1 (Power Delivery)
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDXC Card) Yes (SD Card, SDHC Card, SDXC Card)
SOFTWARE HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Operating System (OS) Windows 11 Home - English Windows 10 Pro 64-bit Edition - English
Software Included HP Support Assistant, HP Hotkey Support, HP Drive Packs (free download), HP Client Catalogue (free download), HP PC Hardware Diagnostics, HP Notifications, HP Connection Optimizer, HP Privacy Settings, HP QuickDrop, HP Client Management Script Library (free download), myHP, Touchpoint Customiser for Commercial, HP Image Assistant Gen5 (free download), HP Smart Support (free download), HP Smart Support, HP Manageability Integration Kit (free download), HP Quick Touch, HP Connect for Microsoft Endpoint Manager, HP Patch Assistant (free download) HP Support Assistant, McAfee LiveSafe (30 days trial), HP Setup Integrated OOBE, HP Documentation, HP Audio Switch, HP JumpStart, Native Miracast, HP SSRM, Xerox DocuShare (90 days trial)
MISCELLANEOUS HP ProBook 455 G9 Notebook HP 255 G8 Notebook
Included Accessories HP 45 Watt Smart AC Adapter Power adapter, HP Smart AC Adapter
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 Automatic DriveLock, BIOS Absolute Persistence, HP DriveLock, HP Fast Charge, BIOS Update via Network, HP Sure Click, HP Sure Sense, HP Secure Erase, HP Sure Admin, HP Client Security Manager Gen 7, HP BIOSphere Gen 6, HP Sure Start Gen 7, Secured-core PC enabled, HP Sure Run Gen 5 -
Compliant Standards CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FIPS 140-2 Level 2, FCC, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, BNCI UL, BSMI, CCC, FCC, ICES
ENERGY STAR Certified Yes Yes
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 0 °C
Humidity Range Operating 10 - 90% (non-condensing) 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - parts and labour - 1 year Limited warranty - parts and labour - 1 year
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