HP EliteBook 840 G3 vs. HP ProBook 450 G9 Notebook

Laptop Comparison, Reviews and Tests
HP EliteBook 840 G3
HP EliteBook 840 G3

Our Rating: 72 %

HP ProBook 450 G9 Notebook
HP ProBook 450 G9 Notebook

Our Rating: 85 %

Side by side comparison and review of HP EliteBook 840 G3 and HP ProBook 450 G9 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.

HP EliteBook 840 G3 Review

Advantages and disadvantages of HP EliteBook 840 G3 based on its technical characteristics, features, user experience, expert reviews and price level.

durable build quality

efficient performance

portable design

strong security features

adequate connectivity options

average battery life

modest display quality

limited graphics power

noisy under load

HP ProBook 450 G9 Notebook Review

Advantages and disadvantages of HP ProBook 450 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum chassis

impressive battery life

comfortable keyboard design

strong processor performance

good security features

average display brightness

no thunderbolt support

limited graphics power

heavier than competitors

Laptop Comparison and Tests

Difference between HP EliteBook 840 G3 and HP ProBook 450 G9 Notebook
85 % - Design
72 % - Display
65 % - Performance
75 % - Connectivity
74 % - Battery
85 % - Design
72 % - Display
86 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

HP EliteBook 840 G3 vs. HP ProBook 450 G9 Notebook Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Product Type Notebook Notebook
Dimensions (WxDxH) 33.8 cm x 23.7 cm x 1.89 cm 35.94 cm x 23.39 cm x 1.99 cm
Weight 1.48 kg 1.74 kg
Case Material Aluminum, magnesium alloy -
Colour - Natural silver
DISPLAY HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Screen Size (Type) 14" 15.6" - IPS
LCD Backlight Technology LED backlight WLED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 157 -
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut - 45% NTSC
Features Slim Design, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare Full HD ultra wide-viewing angle (UWVA) anti-glare, narrow bezel bent
PROCESSOR HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
CPU Intel Core i5 (6th Gen) 6200U / 2.3 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 2.8 GHz 4.4 GHz
Number of Cores Dual-Core 10-core
Cache 3 MB L3 - 12 MB
64-bit Computing Yes -
Features Intel Turbo Boost Technology 2.0 Hyper-Threading Technology, Intel Turbo Boost Technology, Intel Smart Cache
MEMORY HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
RAM 8 GB 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 32 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed - 3200 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots - 1
STORAGE HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Main Storage Size (HDD/SSD) 128 GB SSD 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe)
AUDIO & VIDEO HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Graphics Processor (GPU) Intel HD Graphics 520 Intel Iris Xe Graphics
Camera Yes - 720p Yes - HD
Camera Features - IR camera, privacy camera
Video Resolutions - 720p
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec CX7501 -
Compliant Standards HP Clear Sound Amp -
Audio Features Bang & Olufsen Audio -
COMMUNICATIONS HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Wireless - Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Realtek RTL8111HSH
Bluetooth Class - Class 2
Compliant Standards - 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 EliteBook 840 G3 HP ProBook 450 G9 Notebook
Technology Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) - 51.3 Wh
AC ADAPTER HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Input AC 120/230 V (50/60 Hz) AC 115/230 V (50/60 Hz)
Output - 45 Watt
INPUT HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Type Keyboard, touchpad, pointing stick Keyboard, ClickPad
Keyboard Name - HP Premium
Numeric Keypad - Yes
Keyboard Backlight - Yes
Features Volume control, spill-resistant, touchpad with gesture support Multi-touch clickpad, gesture function, spill-resistant
CONNECTIONS & EXPANSIONS HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Interfaces USB-C
USB 3.0
DisplayPort
VGA
LAN
Dock
Headphone/microphone combo jack
USB 3.0 (charging)
USB 3.2 Gen 1 (powered)
USB 3.2 Gen 1 (charging)
USB 3.2 Gen 1
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
LAN
Headphone/microphone combo jack
HDMI
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) -
SOFTWARE HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Operating System (OS) Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) Windows 10 Pro (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English
Software Included - HP Support Assistant, HP Power Manager, HP Hotkey Support, Microsoft 365 (Trial), HP Secure Erase, HP PC Hardware Diagnostics, HP Notifications, HP Connection Optimizer, HP Fingerprint Sensor, HP Privacy Settings, HP QuickDrop, HP BIOSphere Gen6, HP Wake on WLAN, myHP, Tile, HP Smart Support
MISCELLANEOUS HP EliteBook 840 G3 HP ProBook 450 G9 Notebook
Dockable Yes -
Included Accessories Power adapter HP 45 Watt Smart USB-C AC Adapter
Integrated Options - Tile module
Security Trusted Platform Module (TPM 1.2) Security Chip Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Kensington security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features HP 3D DriveGuard, HP SpareKey, HP BIOS Protection, HP SureStart, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-Boot Security, Pre-boot Authentication BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested
Compliant Standards ISO 9001, ISO 14001, ISO 27001 CSA, UL, VCCI, BSMI, SABS, CCC, FIPS 140-2 Level 2, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, EAC, CIT, UL 1642, low halogen, IEEE 1680, ICCP, RED, BNCI
ENERGY STAR Certified - Yes
Max Operating Temperature - 35 °C
Min Operating Temperature - 0 °C
Humidity Range Operating - 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - parts and labour - 1 year
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