Detailed comparison and review of HP EliteBook 840 G3 and HP 255 G9 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 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
Advantages and disadvantages of HP 255 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate port selection
includes numeric keypad
average display quality
modest processor performance
limited graphics capabilities
no backlit keyboard
| DESIGN AND DIMENSIONS | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 33.8 cm x 23.7 cm x 1.89 cm | 35.8 cm x 24.2 cm x 1.99 cm |
| Weight | 1.48 kg | 1.74 kg |
| Case Material | Aluminum, magnesium alloy | - |
| DISPLAY | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 157 | - |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Slim Design, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design |
| PROCESSOR | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| CPU | Intel Core i5 (6th Gen) 6200U / 2.3 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 4.3 GHz |
| Number of Cores | Dual-Core | 6-core |
| Cache | 3 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| RAM | 8 GB | 8 GB (1 x 8 GB (non customer accessible / upgradeable)) |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | - | 1 |
| STORAGE | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value |
|---|
| AUDIO & VIDEO | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 520 | AMD Radeon Graphics |
|---|---|---|
| Video System Features | - | AMD FreeSync |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | - | Temporal Noise Reduction |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, dual array microphone | Dual stereo speakers, dual array microphone |
| Codec | CX7501 | Realtek ALC3247 |
| Compliant Standards | HP Clear Sound Amp | - |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | - | Realtek RTL8852BE - PCI Express Mini Card (M.2) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
| Remote Management Protocol | - | SNMP 2 |
| Features | - | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Technology | Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 41 Wh |
| Battery Life | - | Up to 10.25 hours |
| AC ADAPTER | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 115/230 V (50 - 60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 19.5 V, 8 A |
| INPUT | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Volume control, spill-resistant, touchpad with gesture support | Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Interfaces | USB-C USB 3.0 DisplayPort VGA LAN Dock Headphone/microphone combo jack USB 3.0 (charging) |
Headphone/microphone combo jack USB-C 3.2 Gen 1 HDMI LAN 2 x USB 3.2 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 11 Home - English |
|---|---|---|
| Software Included | - | HP Support Assistant, Dropbox, McAfee (30 days trial), HP Audio Switch, HP PC Hardware Diagnostics, HP Connection Optimizer, HP Privacy Settings, ExpressVPN (30 days trial), HP QuickDrop, HP Smart App, myHP, Touchpoint Customiser for Commercial, LastPass password manager (30 days trial), HP Smart Health (free download) |
| MISCELLANEOUS | HP EliteBook 840 G3 | HP 255 G9 Notebook |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | HP 45 Watt Smart nPFC AC Adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | 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 | HP Fast Charge |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 10 - 90% |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
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