In depth comparison and review of HP EliteBook 840 G2 Notebook and Lenovo ThinkPad Helix (2nd Gen). 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 Lenovo ThinkPad Helix (2nd Gen) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile detachable design
responsive touchscreen display
solid build quality
decent battery life
improved keyboard layout
heavier than competitors
limited storage options
mediocre performance
higher price point
| DESIGN AND DIMENSIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Product Type | Ultrabook | Ultrabook - with keyboard dock |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.7 cm x 2.1 cm | 30.11 cm x 19.25 cm x 0.96 cm |
| Dimensions (WxDxH) / Weight Details | - | 900 g - keyboard dock |
| Weight | 1.55 kg | 822 g |
| Case Material | Aluminum, magnesium alloy | Aluminum, polycarbonate ABS |
| Colour | - | Graphite black |
| DISPLAY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Screen Size (Type) | 14" - TN | 11.6" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| 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 | 200 cd/m² | 370 cd/m² |
| Features | HD standard-viewing angle (SVA) eDP anti-glare | VibrantView, glossy, Corning Gorilla glass, WideView, One Glass Solution |
| PROCESSOR | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| CPU | Intel Core i5 (5th Gen) 5300U / 2.3 GHz | Intel Core M 5Y71 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 2.9 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | L3 - 3 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Platform Technology | Intel vPro Platform | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | 1600 MHz / PC3L-12800 | - |
| Rated Speed | 1600 MHz | - |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 128 GB SSD |
|---|
| AUDIO & VIDEO | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 5500 | Intel HD Graphics 5300 |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Resolution | - | 5 Megapixel (rear), 2 Megapixel (front) |
| Video Resolutions | 1280 x 720 | 1080p |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, three microphones |
| Codec | Realtek ALC3228 | ALC286-VC |
| Compliant Standards | High Definition Audio, DTS Studio Sound, DTS SOUND+ | High Definition Audio |
| COMMUNICATIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | Bluetooth 4.0, 802.11a/b/g/n/ac |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-N 7265 - PCI Express Mini Card (M.2) | M.2 Card |
| Network Interface | Gigabit Ethernet | Ethernet |
| Ethernet Controller | Intel I218-LM | - |
| Bluetooth Class | Class 2 | - |
| Compliant Standards | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
| BATTERY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Installed Qty | 1 | 2 |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | 50 Wh | - |
| Battery Life | Up to 16 hours | - |
| AC ADAPTER | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 36 Watt |
| INPUT | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, digitizer, touchpad, TrackPoint, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Interfaces | DisplayPort 3 x USB 3.0 LAN Dock Headphone/microphone combo jack Battery VGA USB 3.0 (charging) |
USB 3.0 (Always On) Micro-HDMI Headphone/microphone combo jack Dock USB 3.0 (on keyboard dock) Mini DisplayPort (on keyboard dock) LAN (on supplied cable) |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 32-bit | Windows 10 Home |
|---|---|---|
| Software Included | Cyberlink PowerDVD, Adobe Flash Player, HP Recovery Disc Creator, Skype, Microsoft Security Essentials, HP SoftPaq Download Manager, HP Recovery Manager, HP Support Assistant, Bing Toolbar, HP Connection Manager, HP ePrint, HP Hotkey Support, CyberLink YouCam BE, Foxit PhantomPDF Express, HP Spare Key, HP PageLift, HP Secure Erase, Drive Encryption, HP BIOSphere, HP Client Security Manager, HP Roaming Alert, HP Device Access Manager, HP 3D DriveGuard | - |
| MISCELLANEOUS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad Helix (2nd Gen) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter, USB to Ethernet adapter |
| Integrated Options | - | Ambient light sensor, 3-axis gyro sensor, 3-axis magnetometer, 3-axis accelerometer, 3-axis compass, 3-axis inclinometer |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader, smart card reader | Fingerprint 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 3D DriveGuard, Intel Active Management Technology (iAMT), HP DuraFinish, HP DuraKeys, HP SpareKey, soft-touch surface, HP DisplaySafe, HP BIOS Protection, HP SureStart, HP Drive Encryption, SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-Boot Security, HP Roaming Alert | Administrator password, hard drive password, power-on password, volume control, lock display rotation function |
| Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC, CIT | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |
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