Side by side comparison and review of HP EliteBook 840r G4 Notebook and HP 255 G7 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 255 G7 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
sufficient connectivity options
includes numeric keypad
average display quality
modest processor performance
limited graphics capabilities
no backlight keyboard
| DESIGN AND DIMENSIONS | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 33.8 cm x 23.7 cm x 1.89 cm | 37.6 cm x 24.6 cm x 2.25 cm |
| Weight | 1.5 kg | 1.78 kg |
| Case Material | Aluminum, magnesium alloy | - |
| Colour | - | Dark ash silver |
| DISPLAY | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Screen Size (Type) | 14" | 15.6" |
|---|---|---|
| LCD Backlight Technology | - | WLED backlight |
| Screen Resolution | - | 1366 x 768 (HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 220 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Slim Design, HD standard-viewing angle (SVA) eDP anti-glare |
| PROCESSOR | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| CPU | Intel Core i5 (7th Gen) 7200U / 2.5 GHz | AMD Athlon Silver 3050U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.1 GHz | 3.2 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | L3 - 4 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| RAM | 0 GB | 4 GB (1 x 4 GB (non customer accessible / upgradeable)) |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz / PC4-19200 |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 2 | 1 |
| STORAGE | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Main Storage Size (HDD/SSD) | - | 128 GB SSD M.2 2280 SATA 6Gb/s - triple-level cell (TLC) |
|---|
| AUDIO & VIDEO | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | AMD Radeon Graphics |
|---|---|---|
| Camera | - | Yes |
| Sound | Stereo speakers | Stereo speakers, dual array microphone |
| Audio Features | Noise-cancellation technology, Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | - | Realtek RTL8821CE - PCI Express Mini Card (M.2) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | - |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.11d, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v |
| Features | - | Miracast, single stream (1x1), CNVi |
| BATTERY | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Technology | - | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 41 Wh |
| Battery Life | - | Up to 10.5 hours |
| AC ADAPTER | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 19.5 V |
| INPUT | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Type | - | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | - | Volume control, multi-touch touchpad, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (charging) USB-C 3.1 DisplayPort VGA LAN Dock Headphone/microphone combo jack |
2 x USB 3.1 Gen 1 USB 2.0 HDMI Headphone/microphone combo jack LAN |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Operating System (OS) | No operating system | Windows 10 Pro 64-bit Edition National Academic - English |
|---|---|---|
| Software Included | - | HP Support Assistant, McAfee LiveSafe, HP Setup Integrated OOBE, HP Documentation, HP Audio Switch, HP JumpStart, HP SSRM |
| MISCELLANEOUS | HP EliteBook 840r G4 Notebook | HP 255 G7 Notebook |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | - | HP 45 Watt Smart nPFC AC Adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Trusted Platform Module (TPM 1.2) and firmware (TPM 2.0) |
| 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 | - |
| Compliant Standards | RoHS, WEEE | UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, low halogen, ICCP |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 10 - 90% (non-condensing) |
| Manufacturer Warranty | - | Limited warranty - parts and labour - 1 year |
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