HP EliteBook 865 G9 Notebook vs. HP ProBook 645 G1 Notebook

Laptop Comparison, Reviews and Tests
HP ProBook 645 G1 Notebook

Side by side comparison and review of HP EliteBook 865 G9 Notebook and HP ProBook 645 G1 Notebook. Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Laptop Specifications Comparison

HP EliteBook 865 G9 Notebook vs. HP ProBook 645 G1 Notebook Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Product Type Notebook Notebook
Dimensions (WxDxH) 35.87 cm x 25.09 cm x 1.92 cm 34 cm x 23.7 cm x 2.9 cm
Weight 1.769 kg 2 kg
Case Material - Polycarbonate ABS
DISPLAY HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Screen Size (Type) 16" - IPS 14"
LCD Backlight Technology WLED backlight LED backlight
Screen Resolution 1920 x 1200 (WUXGA) 1600 x 900 (HD+)
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 250 cd/m² -
Colour Gamut 45% NTSC -
Features WUXGA ultra wide-viewing angle (UWVA) anti-glare eDP HD+ anti-glare
PROCESSOR HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
CPU AMD Ryzen 7 Pro 6850U / 2.7 GHz AMD A4 4300M / 2.5 GHz
Max Turbo Speed 4.7 GHz 3 GHz
Number of Cores 8-core Dual-Core
Cache L3 - 16 MB 1 MB
64-bit Computing - Yes
Chipset - AMD A76M FCH
MEMORY HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
RAM 16 GB (1 x 16 GB) 4 GB
Max RAM Supported 64 GB 16 GB
RAM Type DDR5 SDRAM - non-ECC DDR3L SDRAM
Speed 4800 MHz 1600 MHz / PC3-12800
Rated Speed 4800 MHz 1600 MHz
Form Factor SO-DIMM 262-pin SO-DIMM 204-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), triple-level cell (TLC) 128 GB SSD SATA 6Gb/s
Optical Drive - DVD±RW (±R DL) / DVD-RAM fixed - tray
AUDIO & VIDEO HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Graphics Processor (GPU) AMD Radeon 680M AMD Radeon HD 7420G
Camera Yes Yes
Resolution 5 Megapixel -
Camera Features Privacy camera, HP Auto Frame -
Video Resolutions - 1280 x 720
Sound Dual stereo speakers, dual array microphone Stereo speakers, microphone
Codec Realtek ALC3315 IDT 92HD91
Compliant Standards - DTS SOUND+
Audio Features Bang & Olufsen Audio -
COMMUNICATIONS HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Wireless NFC, 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n, Bluetooth 4.0
Wireless Controller Realtek RTL8852BE - PCI Express Mini Card (M.2) -
Network Interface - Gigabit Ethernet
Bluetooth Class Class 2 Class 2
Compliant Standards IEEE 802.11d, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.11, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, Wi-Fi CERTIFIED, IEEE 802.3az
Remote Management Protocol - SNMP 2
Features Miracast, dual stream (2x2), MU-MIMO -
BATTERY HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Technology 3-cell lithium polymer 6-cell Lithium Ion
Battery Capacity (Size) 51.3 Wh 55 Wh
Battery Life Up to 17.25 hours -
AC ADAPTER HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Input AC 115/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 12 / 15 / 20 V, 8 A 65 Watt, 18.5 V
INPUT HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Type Keyboard, ClickPad Keyboard, touchpad
Keyboard Name HP Premium -
Numeric Keypad Yes -
Keyboard Backlight Yes -
Features Multi-touch clickpad, gesture function, spill-resistant Scrolling wheels (2-way), spill-resistant, touchpad with gesture support
CONNECTIONS & EXPANSIONS HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Expansion Bays - 1 x Upgrade Bay
Interfaces 2 x USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (charging)
USB 3.2 Gen 1
Headphone/microphone combo jack
HDMI
4 x USB 3.0
DisplayPort
VGA
Microphone input
Headphone output
LAN
Dock
Memory Card Reader - Yes (SD Card, SDHC Card, SDXC Card)
SOFTWARE HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 8 Pro) + Windows 8 Pro Licence - English / Finnish / Swedish
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 Notifications, HP Connection Optimizer, HP Sure Click, HP Privacy Settings, HP Sure Sense, HP Sure Admin, HP QuickDrop, HP Client Management Script Library (free download), HP BIOSphere Gen6, HP Wake on WLAN, myHP, HP Image Assistant Gen5 (free download), HP Client Security Manager Gen7, HP SureStart Gen7, HP Easy Clean, HP Smart Support, HP Quick Touch, HP Sure Recover Gen5, HP Sure Run Gen5, HP Manageability & Integration Kit Gen4 (free download) Cyberlink PowerDVD, CyberLink Power2Go, Adobe Flash Player, HP Recovery Disc Creator, Skype, HP Recovery Manager, HP Support Assistant, HP Connection Manager, HP ePrint, CyberLink YouCam BE, HP Exclusive, HP PageLift
MISCELLANEOUS HP EliteBook 865 G9 Notebook HP ProBook 645 G1 Notebook
Dockable - Yes
Included Accessories HP 65 Watt nPFC Slim USB-C AC Adapter Power adapter
Bundled with HP Wolf Pro Security Edition (1 year) -
Integrated Options Hall sensor, HP Tamper Lock -
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington nano security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately), chassis intrusion sensor Security lock slot (cable lock sold separately)
Features Automatic DriveLock, BIOS Absolute Persistence, HP DriveLock, HP Fast Charge, BIOS Update via Network Power-on password, charging via USB, HP 3D DriveGuard, HP SpareKey, HP File Sanitizer, HP BIOS Protection, SecureBoot
Compliant Standards CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC
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% (non-condensing)
Manufacturer Warranty Limited warranty - parts and labour - 1 year
Limited warranty - battery - 1 year
Limited warranty - 1 year
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