In depth comparison and review of HP EliteBook 840 G2 Notebook and Lenovo ThinkPad X1 Carbon (1st 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.
| DESIGN AND DIMENSIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.7 cm x 2.1 cm | 33.1 cm x 22.6 cm x 1.88 cm |
| Weight | 1.55 kg | 1.36 kg |
| Case Material | Aluminum, magnesium alloy | Carbon fibre, magnesium-aluminum alloy |
| DISPLAY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Screen Size (Type) | 14" - TN | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 200 cd/m² | - |
| Features | HD standard-viewing angle (SVA) eDP anti-glare | Premium |
| PROCESSOR | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| CPU | Intel Core i5 (5th Gen) 5300U / 2.3 GHz | Intel Core i5 (3rd Gen) 3427U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 2.8 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | L3 - 3 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Mobile Intel QS77 Express |
| Platform Technology | Intel vPro Platform | Intel vPro Platform |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR3L SDRAM | DDR3L SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 1333 MHz / PC3L-10600 |
| Rated Speed | 1600 MHz | 1333 MHz |
| Form Factor | SO-DIMM 204-pin | Integrated |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 128 GB SSD SATA 6Gb/s |
|---|
| AUDIO & VIDEO | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 5500 | Intel HD Graphics 4000 |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Camera Features | - | Face tracking |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3228 | Realtek ALC3202 |
| Compliant Standards | High Definition Audio, DTS Studio Sound, DTS SOUND+ | High Definition Audio, Dolby Home Theater v4 |
| COMMUNICATIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | 802.11a/b/g/n, Bluetooth 4.0 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-N 7265 - PCI Express Mini Card (M.2) | Intel Centrino Advanced-N 6205S - PCI Express Mini Card |
| Network Interface | 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 | - |
| WWAN |
|---|
| Generation | - | 3G |
|---|---|---|
| Technology | - | GPRS, WCDMA, HSPA, HSPA+ |
| Controller | - | Ericsson H5321gw - PCI Express Mini Card |
| Max Transfer Rate | - | 21 Mbps |
| BATTERY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Technology | 3-cell lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Installed Qty | 1 | - |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | 50 Wh | 45.8 Wh |
| Battery Life | Up to 16 hours | Up to 8.2 hours |
| AC ADAPTER | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 90 Watt |
| INPUT | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Features | Volume control, spill-resistant | Volume control, spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Interfaces | DisplayPort 3 x USB 3.0 LAN Dock Headphone/microphone combo jack Battery VGA USB 3.0 (charging) |
USB 3.0 PoweredUSB 2.0 Mini DisplayPort Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X1 Carbon (1st Gen) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 32-bit | Windows 8 64-bit Edition |
|---|---|---|
| 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 X1 Carbon (1st Gen) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader |
| Security Slot Type | 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, ThinkPad Roll Cage, Intel Active Management Technology (iAMT), RapidCharge |
| Navigation Receiver | - | GPS |
| Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC, CIT | RoHS |
| 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 - 3 years - pick-up and return |
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