Detailed comparison and review of HP EliteBook 840 G1 Notebook and Acer Extensa 15 (EX215-51). 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 Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
| DESIGN AND DIMENSIONS | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 33.89 cm x 23.7 cm x 2.1 cm | 36.34 cm x 25.05 cm x 1.99 cm |
| Weight | 1.58 kg | 1.9 kg |
| Case Material | Magnesium-aluminum alloy | - |
| Colour | - | Shale black |
| DISPLAY | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Screen Size (Type) | 14" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 220 cd/m² |
| Features | HD standard-viewing angle (SVA) anti-glare | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display |
| PROCESSOR | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| CPU | Intel Core i5 (4th Gen) 4200U / 1.6 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 2.6 GHz | 4.1 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Technology 2.0 |
| MEMORY | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB (4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 12 GB |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | 1600 MHz | - |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes | Yes - HD |
| Sound | Stereo speakers, stereo microphone | Stereo speakers, two microphones |
| Codec | IDT 92HD91 | - |
| Compliant Standards | High Definition Audio, DTS Studio Sound, DTS SOUND+ | - |
| COMMUNICATIONS | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | Bluetooth, 802.11a/b/g/n/ac |
|---|---|---|
| Wireless Controller | Broadcom BCM943228HMB - PCI Express Half Mini Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I218-LM | - |
| Bluetooth Class | Class 2 | - |
| Compliant Standards | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
| Remote Management Protocol | SNMP 2 | - |
| Features | - | Wake-on-LAN (WOL) |
| BATTERY | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | 24 Wh | 48 Wh |
| AC ADAPTER | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V | 45 Watt, 19 V |
| INPUT | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Volume control, spill-resistant | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Interfaces | 4 x USB 3.0 DisplayPort VGA Headphone/microphone combo jack LAN Dock Battery |
HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Operating System (OS) | Windows 8.1 Pro 64-bit Edition | Windows 10 Home 64-bit Edition in S mode |
|---|---|---|
| Software Included | Cyberlink PowerDVD, Adobe Flash Player, HP Recovery Disc Creator, Skype, Microsoft Security Essentials, Bing Toolbar, HP Connection Manager, HP ePrint, HP Hotkey Support, Credential Manager for HP ProtectTools, Password Manager, HP Client Security, Device Access Manager with Just In Time Authentication, Drive Encryption, HP Trust Circles Standard | - |
| MISCELLANEOUS | HP EliteBook 840 G1 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter, HDD kit |
| Security | 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, HP Disk Sanitizer, HP 3D DriveGuard, HP DuraFinish, HP DuraKeys, HP SpareKey, HP File Sanitizer, HP DisplaySafe, HP BIOS Protection, HP SureStart, 1 USB 3.0 (powered), SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Pre-Boot Security, HP Roaming Alert, Intel My WiFi Technology | MU-MIMO technology |
| Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, EAL 4+, A-Tick, ICES, KC, CIT | - |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - parts and labour - 3 years Limited warranty - battery - 3 years |
Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 39SK |
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