Side by side comparison and review of HP EliteBook 840r G4 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.
| DESIGN AND DIMENSIONS | HP EliteBook 840r G4 Notebook | 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 | 1.5 kg | 2 kg |
| Case Material | Aluminum, magnesium alloy | Polycarbonate ABS |
| DISPLAY | HP EliteBook 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Screen Size (Type) | 14" | 14" |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | - | 1600 x 900 (HD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Features | - | HD+ anti-glare |
| PROCESSOR | HP EliteBook 840r G4 Notebook | 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 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| RAM | 0 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 | 2 | 1 |
| STORAGE | HP EliteBook 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Main Storage Size (HDD/SSD) | - | 128 GB SSD SATA 6Gb/s |
|---|---|---|
| Optical Drive | - | DVD±RW (±R DL) / DVD-RAM fixed - tray |
| AUDIO & VIDEO | HP EliteBook 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | AMD Radeon HD 7420G |
|---|---|---|
| Camera | - | Yes |
| Video Resolutions | - | 1280 x 720 |
| Sound | Stereo speakers | Stereo speakers, microphone |
| Codec | - | IDT 92HD91 |
| Compliant Standards | - | DTS SOUND+ |
| Audio Features | Noise-cancellation technology, Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Wireless | - | 802.11a/b/g/n, Bluetooth 4.0 |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | - |
| 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 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Technology | - | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 55 Wh |
| AC ADAPTER | HP EliteBook 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt, 18.5 V |
| INPUT | HP EliteBook 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Type | - | Keyboard, touchpad |
|---|---|---|
| Features | - | Scrolling wheels (2-way), spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Expansion Bays | - | 1 x Upgrade Bay |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (charging) USB-C 3.1 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 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Operating System (OS) | No operating system | 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 840r G4 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | - | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, 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, BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, Power On Authentication, HP Fast Charge, Pre-boot Authentication, Master Boot Record Security, HP Sure Start Gen 4, HP Sure Run, HP Sure Recover, HP Wireless Wakeup, BIOS Update via Network | Power-on password, charging via USB, HP 3D DriveGuard, HP SpareKey, HP File Sanitizer, HP BIOS Protection, SecureBoot |
| Compliant Standards | RoHS, WEEE | 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 - 1 year |
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