Side by side comparison and review of HP EliteBook 840 G3 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 840 G3 based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
efficient performance
portable design
strong security features
adequate connectivity options
average battery life
modest display quality
limited graphics power
noisy under load
| DESIGN AND DIMENSIONS | HP EliteBook 840 G3 | 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 G3 | HP ProBook 645 G1 Notebook |
|---|
| Screen Size (Type) | 14" | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1600 x 900 (HD+) |
| Pixel Density (ppi) | 157 | - |
| 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 G3 | HP ProBook 645 G1 Notebook |
|---|
| CPU | Intel Core i5 (6th Gen) 6200U / 2.3 GHz | AMD A4 4300M / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 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 G3 | 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 G3 | HP ProBook 645 G1 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD | 128 GB SSD SATA 6Gb/s |
|---|---|---|
| Optical Drive | - | DVD±RW (±R DL) / DVD-RAM fixed - tray |
| AUDIO & VIDEO | HP EliteBook 840 G3 | HP ProBook 645 G1 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 520 | AMD Radeon HD 7420G |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Video Resolutions | - | 1280 x 720 |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | CX7501 | IDT 92HD91 |
| Compliant Standards | HP Clear Sound Amp | DTS SOUND+ |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 840 G3 | HP ProBook 645 G1 Notebook |
|---|
| Wireless | - | 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 G3 | HP ProBook 645 G1 Notebook |
|---|
| Technology | Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 55 Wh |
| AC ADAPTER | HP EliteBook 840 G3 | 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 G3 | HP ProBook 645 G1 Notebook |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad |
|---|---|---|
| Features | Volume control, spill-resistant, touchpad with gesture support | Scrolling wheels (2-way), spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G3 | HP ProBook 645 G1 Notebook |
|---|
| Expansion Bays | - | 1 x Upgrade Bay |
|---|---|---|
| Interfaces | USB-C USB 3.0 DisplayPort VGA LAN Dock Headphone/microphone combo jack USB 3.0 (charging) |
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 G3 | HP ProBook 645 G1 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 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 G3 | HP ProBook 645 G1 Notebook |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) 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, HP SpareKey, HP BIOS Protection, HP SureStart, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-Boot Security, Pre-boot Authentication | 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 |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 1 year |
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