Side by side comparison and review of HP EliteBook 755 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 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 38.36 cm x 25.77 cm x 1.94 cm | 34 cm x 23.7 cm x 2.9 cm |
Weight | 1.84 kg | 2 kg |
Case Material | Aluminum, magnesium alloy | Polycarbonate ABS |
DISPLAY | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Screen Size (Type) | 15.6" - TN | 14" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1600 x 900 (HD+) |
Widescreen | Yes | Yes |
Image Aspect Ratio | - | 16:9 |
Image Brightness | 300 cd/m² | - |
Features | Slim Design, Full HD standard-viewing angle (SVA) eDP anti-glare | HD+ anti-glare |
PROCESSOR | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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CPU | AMD A10 PRO-8730B / 2.4 GHz | AMD A4 4300M / 2.5 GHz |
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Max Turbo Speed | 3.3 GHz | 3 GHz |
Number of Cores | Quad-Core | Dual-Core |
Cache | 2 MB | 1 MB |
64-bit Computing | Yes | Yes |
Chipset | - | AMD A76M FCH |
MEMORY | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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RAM | 8 GB (1 x 8 GB) | 4 GB |
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Max RAM Supported | 16 GB | 16 GB |
RAM Type | DDR4 SDRAM | DDR3L SDRAM |
Speed | 1866 MHz / PC4-17000 | 1600 MHz / PC3-12800 |
Rated Speed | 2133 MHz | 1600 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
Slots Qty | 2 | 2 |
Empty Slots | 1 | 1 |
STORAGE | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Main Storage Size (HDD/SSD) | 256 GB SSD PCIe - HP Z Turbo Drive | 128 GB SSD SATA 6Gb/s |
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Optical Drive | - | DVD±RW (±R DL) / DVD-RAM fixed - tray |
AUDIO & VIDEO | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Graphics Processor (GPU) | AMD Radeon R5 | AMD Radeon HD 7420G |
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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 | Bang & Olufsen Audio | - |
COMMUNICATIONS | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Wireless | 802.11a/b/g/n/ac, NFC, Bluetooth 4.2 | 802.11a/b/g/n, Bluetooth 4.0 |
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Wireless Controller | Intel Dual Band Wireless-AC 7265 - PCI Express Mini Card (M.2) | - |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Broadcom BCM5762 | - |
Bluetooth Class | Class 2 | Class 2 |
Compliant Standards | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | 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 | - |
BATTERY | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
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Battery Capacity (Size) | 51 Wh | 55 Wh |
AC ADAPTER | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 45 Watt, 19.5 V | 65 Watt, 18.5 V |
INPUT | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad |
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Keyboard Name | HP Premium | - |
Features | Spill-resistant, gesture function | Scrolling wheels (2-way), spill-resistant, touchpad with gesture support |
CONNECTIONS & EXPANSIONS | HP EliteBook 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Expansion Bays | - | 1 x Upgrade Bay |
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Interfaces | USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 USB-C DisplayPort 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 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 8 Pro) + Windows 8 Pro Licence - English / Finnish / Swedish |
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Software Included | Skype, HP SoftPaq Download Manager, HP Recovery Manager, HP Support Assistant, Bing Toolbar, HP ePrint, HP Hotkey Support, HP Systems Software Manager (free download), HP BIOS Configuration Utility (free download), HP Drive Packs (free download), HP Client Catalogue (free download), HP Mobile Connect Pro, HP JumpStart, HP JetAdvantage Connect, HP Noise Cancellation, HP LAN-WLAN Protection, HP MAC Address Manager, HP MIK for Microsoft SCCM (free download), HP Client Security Suite Gen3 | 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 755 G4 Notebook | HP ProBook 645 G1 Notebook |
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Dockable | Yes | Yes |
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Included Accessories | Power adapter | Power adapter |
Security | Trusted Platform Module (TPM 2.0) Security Chip, 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 | HP DuraKeys, HP BIOS Protection, BIOS Absolute Persistence, HP SureStart, HP Drive Encryption, SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-boot Authentication | Power-on password, charging via USB, HP 3D DriveGuard, HP SpareKey, HP File Sanitizer, HP BIOS Protection, SecureBoot |
Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC, CIT | 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 - 3 years Limited warranty - battery - 3 years |
Limited warranty - 1 year |