In depth comparison and review of HP EliteBook 820 G4 and HP ProBook 450 G9 Notebook. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of HP EliteBook 820 G4 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
portable lightweight design
fast ssd storage
good security features
decent battery life
average display quality
limited graphics performance
noisy under load
higher price point
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
| DESIGN AND DIMENSIONS | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31 cm x 21.89 cm x 1.89 cm | 35.94 cm x 23.39 cm x 1.99 cm |
| Weight | 1.26 kg | 1.74 kg |
| Colour | - | Natural silver |
| DISPLAY | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Screen Size (Type) | 12.5" | 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 Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Full HD ultra wide-viewing angle (UWVA) anti-glare, narrow bezel bent |
| PROCESSOR | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| CPU | Intel Core i5 (7th Gen) 7300U / 2.6 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.5 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | 3 MB | L3 - 12 MB |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache | Hyper-Threading Technology, Intel Turbo Boost Technology, Intel Smart Cache |
| MEMORY | HP EliteBook 820 G4 | 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 | 2133 MHz | 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 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | Intel Iris Xe Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Camera Features | - | IR camera, privacy camera |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | CX7501 | - |
| Audio Features | Noise-cancellation technology, Bang & Olufsen Audio, HP Clear Sound Amp | - |
| COMMUNICATIONS | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Wireless | Bluetooth | 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 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Technology | - | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 51.3 Wh |
| AC ADAPTER | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Input | - | AC 115/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt |
| INPUT | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Type | Keyboard, touchpad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Touchpad with gesture support | Multi-touch clickpad, gesture function, spill-resistant |
| CONNECTIONS & EXPANSIONS | HP EliteBook 820 G4 | HP ProBook 450 G9 Notebook |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (charging) USB-C DisplayPort VGA LAN Dock Headphone/microphone combo jack |
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 820 G4 | 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 820 G4 | 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 2.0) 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 | - | 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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