In depth comparison and review of HP EliteBook 820 G1 and HP EliteBook 855 G7 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 G1 based on its technical characteristics, features, user experience, expert reviews and price level.
sturdy build quality
compact and portable
good keyboard feel
solid security features
decent processor performance
average display quality
limited storage capacity
no high-end graphics
older model limitations
Advantages and disadvantages of HP EliteBook 855 G7 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum chassis
powerful AMD processor
excellent keyboard feel
bright full-HD display
impressive security features
mediocre battery life
no 4K display option
limited port variety
higher price point
| DESIGN AND DIMENSIONS | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31 cm x 21.53 cm x 2.1 cm | 35.97 cm x 23.38 cm x 1.92 cm |
| Weight | 1.33 kg | 1.69 kg |
| Case Material | Aluminum, magnesium alloy | - |
| DISPLAY | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Screen Size (Type) | 12.5" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Ambient light sensor, Full HD ultra wide-viewing angle (UWVA) anti-glare |
| PROCESSOR | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | AMD Ryzen 7 Pro 4750U / 1.7 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 4.1 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 3 MB | L3 - 8 MB |
| 64-bit Computing | Yes | Yes |
| Platform Technology | Intel vPro Platform | - |
| Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| RAM | 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 |
| STORAGE | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 3Gb/s | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC) |
|---|
| AUDIO & VIDEO | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | AMD Radeon Graphics |
|---|---|---|
| Camera | Yes | Yes - HD |
| Camera Features | - | Privacy shutter, IR camera |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, stereo microphone | Stereo speakers, 3 multi-array microphone |
| Codec | IDT 92HD91 | - |
| Compliant Standards | High Definition Audio, DTS Studio Sound, DTS SOUND+ | - |
| Audio Features | - | Bang & Olufsen Audio |
| COMMUNICATIONS | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 200 |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Miracast, dual stream (2x2), MU-MIMO |
| BATTERY | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 56 Wh |
| AC ADAPTER | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, pointing stick, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium Collaboration Keyboard |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, spill-resistant | Volume control, spill-resistant, multi-touch clickpad, ClickPad with gesture support, glass clickpad |
| CONNECTIONS & EXPANSIONS | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Interfaces | 3 x USB 3.0 DisplayPort VGA Headphone/microphone combo jack LAN Dock |
2 x USB-C 3.1 Gen 2 (Alternate Mode) USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | HP EliteBook 820 G1 | HP EliteBook 855 G7 Notebook |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | HP 65 Watt nPFC USB-C AC Adapter |
| Bundled with | - | HP Wolf Pro Security Edition (3 years) |
| Integrated Options | - | Hall sensor |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 1.2) and firmware (TPM 2.0), fingerprint reader, smart card reader |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Power-on password, charging via USB, HP Disk Sanitizer, HP 3D DriveGuard, HP DuraFinish, HP DuraKeys, HP SpareKey, HP File Sanitizer, HP DisplaySafe, HP BIOS Protection, BIOS Absolute Persistence, HP SureStart, SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Pre-Boot Security, HP Roaming Alert, Intel My WiFi Technology | - |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | - |
| 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 - 2 years - pick-up and return | - |
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