Detailed comparison and review of Lenovo ThinkPad P51 (20MN) and HP Zbook 15 G2. 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 Lenovo ThinkPad P51 (20MN) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard
powerful processor
high-resolution display
good connectivity options
heavy and bulky
expensive
average battery life
noisy under load
Advantages and disadvantages of HP Zbook 15 G2 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful quad-core processor
upgradeable memory options
high-resolution display
good connectivity options
heavy and bulky
older model
noisy under load
mediocre battery life
| DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 38.15 cm x 25.7 cm x 3.55 cm |
| Weight | 2.67 kg | 2.78 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | Aluminum, magnesium alloy |
| Colour | Black | - |
| DISPLAY | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Features | Anti-glare, 160° viewing angle | - |
| PROCESSOR | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| CPU | Intel Xeon E3-1505MV5 / 2.8 GHz | Intel Core i7 (4th Gen) 4710MQ / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 3.5 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | L3 - 6 MB |
| 64-bit Computing | - | Yes |
| Chipset | Mobile Intel CM238 | - |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| RAM | 16 GB (1 x 16 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR3L SDRAM |
| Speed | 2133 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 4 | 4 |
| Empty Slots | 3 | - |
| STORAGE | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 256 GB SSD |
|---|---|---|
| Optical Drive | - | DVD-Writer |
| AUDIO & VIDEO | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro M2200 / Intel HD Graphics P530 | NVIDIA Quadro K2100M |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | 4 GB | - |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | - | Low light enhancement |
| Video Resolutions | - | 1280 x 720 |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3268 | - |
| Compliant Standards | High Definition Audio | High Definition Audio, DTS Studio Sound, DTS SOUND+ |
| COMMUNICATIONS | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth, Wi-Fi |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8260 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | - |
| Battery Life | Up to 8.9 hours | - |
| AC ADAPTER | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt, 20 V | - |
| INPUT | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad, pointing stick |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Volume control, spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Slots | 1 x ExpressCard/34 (1 free) | - |
|---|---|---|
| Interfaces | 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 |
VGA DisplayPort Thunderbolt 2 Headphone/microphone combo jack Battery Dock LAN 2 x USB 3.0 USB 2.0 USB 3.0 (charging) |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 10 Pro for Workstations 64-bit Edition) + Windows 10 Pro for Workstations 64-bit Edition Licence | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad P51 (20MN) | HP Zbook 15 G2 |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 1.2) 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 | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS | ISO 9001, ISO 14001, RoHS, ISO 27001 |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |
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