Side by side comparison and review of HP ZBook 15 G4 Mobile Workstation and Lenovo ThinkPad P51 (20MN). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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
| DESIGN AND DIMENSIONS | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 38.6 cm x 26.4 cm x 2.6 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 2.6 kg | 2.67 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | - | Black |
| DISPLAY | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | - | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Features | - | Anti-glare, 160° viewing angle |
| PROCESSOR | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| CPU | Intel Core i5 (7th Gen) 7440HQ / 2.8 GHz | Intel Xeon E3-1505MV5 / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | L3 - 6 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel CM238 | Mobile Intel CM238 |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| RAM | 0 GB | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 4 |
| Empty Slots | 4 | 3 |
| STORAGE | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Main Storage Size (HDD/SSD) | - | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel HD Graphics 630 | NVIDIA Quadro M2200 / Intel HD Graphics P530 |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | - | 4 GB |
| Camera | - | Yes - 720p |
| Sound | Stereo speakers | Stereo speakers, dual array microphone |
| Codec | CX7501 | Realtek ALC3268 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 8260 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3az | - |
| Remote Management Protocol | SNMP 2 | - |
| Features | Miracast, Wake-on-LAN (WOL) | - |
| BATTERY | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Technology | - | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 90 Wh |
| Battery Life | - | Up to 8.9 hours |
| AC ADAPTER | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 170 Watt, 20 V |
| INPUT | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Type | - | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Slots | - | 1 x ExpressCard/34 (1 free) |
|---|---|---|
| Interfaces | LAN VGA USB 3.0 (charging) HDMI 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) Headphone/microphone combo jack 2 x USB 3.0 |
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, SDXC UHS-II Card) |
| SOFTWARE | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Operating System (OS) | No operating system | 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 |
|---|
| MISCELLANEOUS | HP ZBook 15 G4 Mobile Workstation | Lenovo ThinkPad P51 (20MN) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | - | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, 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, HP DuraKeys, HP SpareKey, soft-touch surface, HP BIOS Protection, HP SureStart, SecureBoot, HP Automatic Drive Lock, HP DriveLock, Hybrid Boot, Master Record Security, Measured Boot, Power On Authentication, Pre-Boot Security | Administrator password, hard drive password, power-on password, MIL-STD-810G tested |
| Compliant Standards | ACPI, CSA, UL, FCC, RoHS, WEEE | RoHS |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
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