In depth comparison and review of HP EliteBook 840 G2 Notebook and Lenovo ThinkPad X12 Detachable (20UW). 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 X12 Detachable (20UW) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
detachable flexibility
sharp display clarity
responsive touch screen
decent battery life
limited port selection
moderate storage capacity
higher price point
average graphics performance
| DESIGN AND DIMENSIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.7 cm x 2.1 cm | - |
| Dimensions (WxDxH) - tablet | - | 28.33 cm x 20.35 cm x 0.88 cm |
| Dimensions (WxDxH) / Weight Details | - | 28.33 cm x 21.78 cm x 0.57 cm / 340 g - keyboard dock |
| Weight | 1.55 kg | 760 g |
| Case Material | Aluminum, magnesium alloy | Magnesium-aluminum alloy |
| Colour | - | Black |
| DISPLAY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Screen Size (Type) | 14" - TN | 12.3" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1280 (Full HD Plus) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 3:2 |
| Image Brightness | 200 cd/m² | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | HD standard-viewing angle (SVA) eDP anti-glare | Anti-reflective, Direct Bonding technology, anti-smudge, Corning Gorilla glass 5, 178° viewing angle, capacitive touch screen |
| PROCESSOR | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| CPU | Intel Core i5 (5th Gen) 5300U / 2.3 GHz | Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | L3 - 3 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR4X SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 4266 MHz |
| Rated Speed | 1600 MHz | 4266 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 5500 | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - 720p | Yes |
| Resolution | - | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | - | Privacy shutter, rear camera with auto focus, IR/RGB camera |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3228 | Realtek ALC3306-GRT |
| Compliant Standards | High Definition Audio, DTS Studio Sound, DTS SOUND+ | Dolby Audio |
| COMMUNICATIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-N 7265 - PCI Express Mini Card (M.2) | Intel Wi-Fi 6 AX 201 |
| 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 | - |
| Features | - | Dual stream (2x2), MU-MIMO |
| BATTERY | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Installed Qty | 1 | - |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | 50 Wh | 42 Wh |
| Battery Life | Up to 16 hours | Up to 12.42 hours |
| AC ADAPTER | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant | 3-level backlight |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Interfaces | DisplayPort 3 x USB 3.0 LAN Dock Headphone/microphone combo jack Battery VGA USB 3.0 (charging) |
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | HP EliteBook 840 G2 Notebook | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 32-bit | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| 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 X12 Detachable (20UW) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter, Lenovo Digital Pen |
| Integrated Options | - | Accelerometer, hall sensor, gyroscope, inclinometer |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington nano 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 | RapidCharge, MIL-STD-810H tested |
| Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC, CIT | RoHS, low halogen, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
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