Detailed comparison and review of HP EliteBook 840 G4 and HP ProBook 645 G1 Notebook. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of HP EliteBook 840 G4 based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
solid build quality
comfortable keyboard
good battery life
decent performance
average display quality
no touchscreen option
limited graphics power
heavier design
| DESIGN AND DIMENSIONS | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 33.8 cm x 23.7 cm x 1.89 cm | 34 cm x 23.7 cm x 2.9 cm |
| Weight | 1.48 kg | 2 kg |
| Case Material | Aluminum, magnesium alloy | Polycarbonate ABS |
| DISPLAY | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1600 x 900 (HD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | - |
| Features | Slim Design, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare | HD+ anti-glare |
| PROCESSOR | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| CPU | Intel Core i5 (7th Gen) 7200U / 2.5 GHz | AMD A4 4300M / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 3.1 GHz | 3 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 1 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | AMD A76M FCH |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| RAM | 8 GB | 4 GB |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR3L SDRAM |
| Speed | - | 1600 MHz / PC3-12800 |
| Rated Speed | - | 1600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | - | 1 |
| STORAGE | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD | 128 GB SSD SATA 6Gb/s |
|---|---|---|
| Optical Drive | - | DVD±RW (±R DL) / DVD-RAM fixed - tray |
| AUDIO & VIDEO | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | AMD Radeon HD 7420G |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Video Resolutions | - | 1280 x 720 |
| Sound | Stereo speakers, two microphones | Stereo speakers, microphone |
| Codec | - | IDT 92HD91 |
| Compliant Standards | - | DTS SOUND+ |
| Audio Features | Noise-cancellation technology, Bang & Olufsen Audio, HP Audio Boost | - |
| COMMUNICATIONS | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n, Bluetooth 4.0 |
|---|---|---|
| Network Interface | Gigabit Ethernet | 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 |
| BATTERY | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Technology | Lithium polymer | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 55 Wh |
| AC ADAPTER | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt, 18.5 V |
| INPUT | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Touchpad with gesture support | Scrolling wheels (2-way), spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Expansion Bays | - | 1 x Upgrade Bay |
|---|---|---|
| Slots | 1 x SIM card (1 free) | - |
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (charging) USB-C DisplayPort VGA LAN Dock 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) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | 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 840 G4 | HP ProBook 645 G1 Notebook |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | 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 | HP 3D DriveGuard, Automatic DriveLock, HP DriveLock, Power On Authentication, Pre-boot Authentication, HP Sure Start Gen 3, Master Boot Record Security | Power-on password, charging via USB, HP 3D DriveGuard, HP SpareKey, HP File Sanitizer, HP BIOS Protection, SecureBoot |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | 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 - 2 years - pick-up and return | Limited warranty - 1 year |
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