In depth comparison and review of HP EliteBook 820 G1 Notebook 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 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 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31 cm x 21.53 cm x 2.1 cm | 35.94 cm x 23.39 cm x 1.99 cm |
| Weight | 1.42 kg | 1.74 kg |
| Case Material | Aluminum, magnesium alloy | - |
| Colour | - | Natural silver |
| DISPLAY | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Screen Size (Type) | 12.5" - TN | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1366 x 768 (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 | HD standard-viewing angle (SVA) eDP anti-glare | Full HD ultra wide-viewing angle (UWVA) anti-glare, narrow bezel bent |
| PROCESSOR | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | 3 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Enhanced SpeedStep technology, Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, Intel Turbo Boost Technology, Intel Smart Cache |
| MEMORY | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 1600 MHz / PC3L-12800 | 3200 MHz |
| Rated Speed | 1600 MHz | 3200 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel Iris Xe Graphics |
|---|---|---|
| Camera | Yes - 1280 x 720 | Yes - HD |
| Camera Features | - | IR camera, privacy camera |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | IDT 92HD91 | - |
| Compliant Standards | High Definition Audio, DTS Studio Sound, DTS SOUND+ | - |
| COMMUNICATIONS | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-N 7260AN - PCI Express Half Mini Card | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I218-LM | Realtek RTL8111HSH |
| Bluetooth Class | Class 2 | Class 2 |
| Compliant Standards | IEEE 802.2, IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.3az | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
| Remote Management Protocol | ASF 2.0 | SNMP 2 |
| Features | Wake-on-LAN (WOL) | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 46 Wh | 51.3 Wh |
| Battery Life | Up to 13.25 hours | - |
| AC ADAPTER | HP EliteBook 820 G1 Notebook | HP ProBook 450 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 |
| INPUT | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, spill-resistant | Multi-touch clickpad, gesture function, spill-resistant |
| CONNECTIONS & EXPANSIONS | HP EliteBook 820 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Interfaces | 3 x USB 3.0 DisplayPort VGA Headphone/microphone combo jack LAN Dock |
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 G1 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Operating System (OS) | Windows 8.1 Pro | Windows 10 Pro (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English |
|---|---|---|
| Software Included | Cyberlink PowerDVD, Adobe Flash Player, Skype, HP Recovery Manager, HP Support Assistant, HP ePrint, HP Hotkey Support, HP Spare Key, Password Manager, HP Client Security, HP Mobile Connect, Device Access Manager with Just In Time Authentication, HP PageLift, HP Secure Erase, Drive Encryption, HP UEFI System Diagnostics, HP BIOSphere, HP Wireless Hotspot, HP Credential Manager | 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 G1 Notebook | 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, fingerprint reader, smart card reader | 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 DuraFinish, HP DuraKeys, HP SpareKey, HP DisplaySafe, HP BIOS Protection, HP SureStart, HP Drive Encryption, SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-Boot Security, HP Roaming Alert, Intel My WiFi Technology, 1 USB 3.0 charging port | BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested |
| Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, FIPS 140-2, WEEE, EAL 4+, A-Tick, ICES, KC, CIT | 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 | 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 |
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