In depth comparison and review of HP EliteBook 855 G7 Notebook and HP EliteBook 820 G4. 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 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
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
| DESIGN AND DIMENSIONS | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.97 cm x 23.38 cm x 1.92 cm | 31 cm x 21.89 cm x 1.89 cm |
| Weight | 1.69 kg | 1.26 kg |
| DISPLAY | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Screen Size (Type) | 15.6" - IPS | 12.5" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full 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 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| CPU | AMD Ryzen 7 Pro 4750U / 1.7 GHz | Intel Core i5 (7th Gen) 7300U / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.5 GHz |
| Number of Cores | 8-core | Dual-Core |
| Cache | L3 - 8 MB | 3 MB |
| 64-bit Computing | Yes | - |
| Features | - | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 3200 MHz | 2133 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 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC) | 256 GB SSD |
|---|
| AUDIO & VIDEO | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel HD Graphics 620 |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Camera Features | Privacy shutter, IR camera | - |
| Video Resolutions | 720p | - |
| Sound | Stereo speakers, 3 multi-array microphone | Stereo speakers, two microphones |
| Codec | - | CX7501 |
| Audio Features | Bang & Olufsen Audio | Noise-cancellation technology, Bang & Olufsen Audio, HP Clear Sound Amp |
| COMMUNICATIONS | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | - |
| Network Interface | - | Gigabit Ethernet |
| Features | Miracast, dual stream (2x2), MU-MIMO | - |
| BATTERY | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Technology | 3-cell Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | - |
| AC ADAPTER | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | - |
| INPUT | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Type | Keyboard, pointing stick, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium Collaboration Keyboard | - |
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Volume control, spill-resistant, multi-touch clickpad, ClickPad with gesture support, glass clickpad | Touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Interfaces | 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 |
USB 3.1 Gen 1 USB 3.1 Gen 1 (charging) USB-C DisplayPort VGA LAN Dock Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | HP EliteBook 855 G7 Notebook | HP EliteBook 820 G4 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | HP 65 Watt nPFC USB-C AC Adapter | Power adapter |
| Bundled with | HP Wolf Pro Security Edition (3 years) | - |
| Integrated Options | Hall sensor | - |
| Security | Trusted Platform Module (TPM 1.2) and firmware (TPM 2.0), fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip |
| 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) |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP | ISO 9001, ISO 14001, ISO 27001 |
| 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 |
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