In depth comparison and review of HP EliteBook 840 G1 Notebook and Lenovo ThinkPad P51. 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 P51 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
powerful processor performance
high-resolution display
good connectivity options
heavy and bulky
expensive price point
moderate battery life
noisy under load
| DESIGN AND DIMENSIONS | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 33.89 cm x 23.7 cm x 2.1 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 1.58 kg | 2.67 kg |
| Case Material | Magnesium-aluminum alloy | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | - | Black |
| DISPLAY | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| 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 | - | 250 cd/m² |
| Features | HD standard-viewing angle (SVA) anti-glare | Anti-glare |
| PROCESSOR | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| CPU | Intel Core i5 (4th Gen) 4200U / 1.6 GHz | Intel Xeon E3-1505MV6 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 2.6 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Mobile Intel CM238 |
| Platform Technology | - | Intel vPro Platform |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 16 GB | 64 GB |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | 1600 MHz | 2400 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 1 | - |
| STORAGE | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 512 GB SSD |
|---|
| AUDIO & VIDEO | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | NVIDIA Quadro M2200 / Intel HD Graphics P630 |
| Video Memory | - | 4 GB |
| Camera | Yes | Yes - 720p |
| Sound | Stereo speakers, stereo microphone | Stereo speakers, dual array microphone |
| Codec | IDT 92HD91 | Realtek ALC3268 |
| Compliant Standards | High Definition Audio, DTS Studio Sound, DTS SOUND+ | High Definition Audio |
| COMMUNICATIONS | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| 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 | - |
| BATTERY | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | 24 Wh | - |
| AC ADAPTER | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V | 170 Watt |
| INPUT | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Volume control, spill-resistant | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Slots | - | 1 x ExpressCard/34 (1 free) |
|---|---|---|
| Interfaces | 4 x USB 3.0 DisplayPort VGA Headphone/microphone combo jack LAN Dock Battery |
USB 3.1 Gen 1/USB 3.0 (Always On) 3 x USB 3.1 Gen 1/USB 3.0 USB-C (supports Thunderbolt 3) Mini DisplayPort HDMI LAN Dock 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 G1 Notebook | Lenovo ThinkPad P51 |
|---|
| Operating System (OS) | Windows 8.1 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|---|---|
| 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 | Lenovo ThinkPad P51 |
|---|
| Dockable | Yes | 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 2.0) Security Chip |
| 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 | Administrator password, hard drive password, power-on password, Intel Active Management Technology (iAMT), MIL-STD-810G tested |
| Compliant Standards | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, EAL 4+, A-Tick, ICES, KC, CIT | ISO 9001, ISO 14001, ISO 27001 |
| ENERGY STAR Certified | Yes | 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 - 2 years - pick-up and return |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
