In depth comparison and review of HP EliteBook 855 G7 Notebook and HP EliteBook 840 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 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 840 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
premium build quality
powerful intel processors
bright display options
excellent keyboard feel
higher price point
average battery life
no dedicated GPU
limited color options
| DESIGN AND DIMENSIONS | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.97 cm x 23.38 cm x 1.92 cm | 31.56 cm x 22.405 cm x 1.92 cm |
| Weight | 1.69 kg | 1.36 kg |
| DISPLAY | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% NTSC | - |
| Features | Ambient light sensor, Full HD ultra wide-viewing angle (UWVA) anti-glare | WUXGA ultra wide-viewing angle (UWVA) anti-glare eDP |
| PROCESSOR | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| CPU | AMD Ryzen 7 Pro 4750U / 1.7 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.4 GHz |
| Number of Cores | 8-core | 10-core |
| Cache | L3 - 8 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Features | - | Intel Turbo Boost Technology |
| MEMORY | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| RAM | 8 GB (1 x 8 GB) | 0 GB |
|---|---|---|
| Max RAM Supported | 32 GB | 64 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR5 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 2 |
| STORAGE | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC) | - |
|---|
| AUDIO & VIDEO | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | - |
| Camera Features | Privacy shutter, IR camera | - |
| Video Resolutions | 720p | - |
| Sound | Stereo speakers, 3 multi-array microphone | Dual stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3315 |
| Audio Features | Bang & Olufsen Audio | Bang & Olufsen Audio, discrete amplifiers |
| COMMUNICATIONS | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | - |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | - |
| Features | Miracast, dual stream (2x2), MU-MIMO | - |
| BATTERY | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | - |
| AC ADAPTER | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | - |
| INPUT | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Type | Keyboard, pointing stick, ClickPad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | HP Premium Collaboration Keyboard | HP Premium |
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Volume control, spill-resistant, multi-touch clickpad, ClickPad with gesture support, glass clickpad | Multi-touch clickpad, gesture function, spill-resistant, DuraKeys |
| CONNECTIONS & EXPANSIONS | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| 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 |
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
|---|
| SOFTWARE | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | No operating system |
|---|
| MISCELLANEOUS | HP EliteBook 855 G7 Notebook | HP EliteBook 840 G9 Notebook |
|---|
| Included Accessories | HP 65 Watt nPFC USB-C AC Adapter | - |
|---|---|---|
| Bundled with | HP Wolf Pro Security Edition (3 years) | - |
| Integrated Options | Hall sensor | Accelerometer, magnetometer, gyro sensor, hall sensor, HP Tamper Lock |
| 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 nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately), chassis intrusion sensor |
| Features | - | BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, Secured-core PC capable |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FIPS 140-2 Level 2, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP |
| 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) |
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