In depth comparison and review of HP EliteBook 755 G4 Notebook and HP EliteBook 840 G9 Notebook. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of HP EliteBook 840 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
premium build quality
powerful intel processors
bright display options
excellent keyboard feel
higher price point
average battery life
no dedicated GPU
limited color options
DESIGN AND DIMENSIONS | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 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 | 31.56 cm x 22.405 cm x 1.92 cm |
Weight | 1.84 kg | 1.36 kg |
Case Material | Aluminum, magnesium alloy | - |
DISPLAY | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Screen Size (Type) | 15.6" - TN | 14" |
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LCD Backlight Technology | LED backlight | WLED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | - | 16:10 |
Image Brightness | 300 cd/m² | - |
Features | Slim Design, Full HD standard-viewing angle (SVA) eDP anti-glare | WUXGA ultra wide-viewing angle (UWVA) anti-glare eDP |
PROCESSOR | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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CPU | AMD A10 PRO-8730B / 2.4 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
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Max Turbo Speed | 3.3 GHz | 4.4 GHz |
Number of Cores | Quad-Core | 10-core |
Cache | 2 MB | L3 - 12 MB |
64-bit Computing | Yes | - |
Features | - | Intel Turbo Boost Technology |
MEMORY | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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RAM | 8 GB (1 x 8 GB) | 0 GB |
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Max RAM Supported | 16 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR5 SDRAM |
Speed | 1866 MHz / PC4-17000 | - |
Rated Speed | 2133 MHz | - |
Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
Slots Qty | 2 | 2 |
Empty Slots | 1 | 2 |
STORAGE | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Main Storage Size (HDD/SSD) | 256 GB SSD PCIe - HP Z Turbo Drive | - |
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AUDIO & VIDEO | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Graphics Processor (GPU) | AMD Radeon R5 | Intel Iris Xe Graphics |
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Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | - |
Sound | Stereo speakers, two microphones | Dual stereo speakers, dual array microphone |
Codec | - | Realtek ALC3315 |
Audio Features | Bang & Olufsen Audio | Bang & Olufsen Audio, discrete amplifiers |
COMMUNICATIONS | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Wireless | 802.11a/b/g/n/ac, NFC, Bluetooth 4.2 | - |
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Wireless Controller | Intel Dual Band Wireless-AC 7265 - PCI Express Mini Card (M.2) | - |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Broadcom BCM5762 | - |
Bluetooth Class | Class 2 | - |
Compliant Standards | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
Features | Miracast | - |
BATTERY | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Technology | 3-cell lithium polymer | 3-cell lithium polymer |
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Battery Capacity (Size) | 51 Wh | - |
AC ADAPTER | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Input | AC 120/230 V (50/60 Hz) | - |
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Output | 45 Watt, 19.5 V | - |
INPUT | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Type | Keyboard, touchpad, pointing stick | Keyboard, ClickPad |
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Keyboard Name | HP Premium | HP Premium |
Features | Spill-resistant, gesture function | Multi-touch clickpad, gesture function, spill-resistant, DuraKeys |
CONNECTIONS & EXPANSIONS | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Interfaces | USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 USB-C DisplayPort Dock Headphone/microphone combo jack |
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
SOFTWARE | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | No operating system |
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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 | - |
MISCELLANEOUS | HP EliteBook 755 G4 Notebook | HP EliteBook 840 G9 Notebook |
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Dockable | Yes | - |
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Included Accessories | Power adapter | - |
Integrated Options | - | Accelerometer, magnetometer, gyro sensor, hall sensor, HP Tamper Lock |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip |
Security Slot Type | Kensington security slot | Kensington nano security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately), chassis intrusion sensor |
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 | BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, Secured-core PC capable |
Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC, CIT | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FIPS 140-2 Level 2, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP |
ENERGY STAR Certified | Yes | Yes |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 0 °C | 0 °C |
Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
Manufacturer Warranty | Limited warranty - 3 years Limited warranty - battery - 3 years |
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