Side by side comparison and review of HP EliteBook 855 G7 Notebook and HP ProBook 645 G1 Notebook. Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.97 cm x 23.38 cm x 1.92 cm | 34 cm x 23.7 cm x 2.9 cm |
| Weight | 1.69 kg | 2 kg |
| Case Material | - | Polycarbonate ABS |
| DISPLAY | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1600 x 900 (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 | HD+ anti-glare |
| PROCESSOR | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| CPU | AMD Ryzen 7 Pro 4750U / 1.7 GHz | AMD A4 4300M / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3 GHz |
| Number of Cores | 8-core | Dual-Core |
| Cache | L3 - 8 MB | 1 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | AMD A76M FCH |
| MEMORY | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR3L SDRAM |
| Speed | 3200 MHz | 1600 MHz / PC3-12800 |
| Rated Speed | 3200 MHz | 1600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC) | 128 GB SSD SATA 6Gb/s |
|---|---|---|
| Optical Drive | - | DVD±RW (±R DL) / DVD-RAM fixed - tray |
| AUDIO & VIDEO | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon HD 7420G |
|---|---|---|
| Camera | Yes - HD | Yes |
| Camera Features | Privacy shutter, IR camera | - |
| Video Resolutions | 720p | 1280 x 720 |
| Sound | Stereo speakers, 3 multi-array microphone | Stereo speakers, microphone |
| Codec | - | IDT 92HD91 |
| Compliant Standards | - | DTS SOUND+ |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n, Bluetooth 4.0 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | - |
| Network Interface | - | Gigabit Ethernet |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.11, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, Wi-Fi CERTIFIED, IEEE 802.3az |
| Remote Management Protocol | - | SNMP 2 |
| Features | Miracast, dual stream (2x2), MU-MIMO | - |
| BATTERY | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Technology | 3-cell Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 55 Wh |
| AC ADAPTER | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 18.5 V |
| INPUT | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| 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 | Scrolling wheels (2-way), spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Expansion Bays | - | 1 x Upgrade Bay |
|---|---|---|
| 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 |
4 x USB 3.0 DisplayPort VGA Microphone input Headphone output LAN Dock |
| Memory Card Reader | - | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 8 Pro) + Windows 8 Pro Licence - English / Finnish / Swedish |
|---|---|---|
| Software Included | - | Cyberlink PowerDVD, CyberLink Power2Go, Adobe Flash Player, HP Recovery Disc Creator, Skype, HP Recovery Manager, HP Support Assistant, HP Connection Manager, HP ePrint, CyberLink YouCam BE, HP Exclusive, HP PageLift |
| MISCELLANEOUS | HP EliteBook 855 G7 Notebook | HP ProBook 645 G1 Notebook |
|---|
| 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 1.2) Security Chip, 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 3D DriveGuard, HP SpareKey, HP File Sanitizer, HP BIOS Protection, SecureBoot |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
| Manufacturer Warranty | - | Limited warranty - 1 year |
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