Side by side comparison and review of Lenovo ThinkPad P51 (20MN) and HP ZBook Firefly 14 G8 Mobile Workstation. 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
Advantages and disadvantages of HP ZBook Firefly 14 G8 Mobile Workstation based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
powerful processor
high-resolution display
robust security features
good battery life
limited upgradeability
higher price point
noisy under load
modest graphics performance
| DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 32.3 cm x 21.46 cm x 1.79 cm |
| Weight | 2.67 kg | 1.35 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | - |
| Colour | Black | - |
| DISPLAY | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | - | 157 |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare, 160° viewing angle | Ambient light sensor, anti-glare, Low Power |
| PROCESSOR | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| CPU | Intel Xeon E3-1505MV5 / 2.8 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | L3 - 8 MB |
| 64-bit Computing | - | Yes |
| Chipset | Mobile Intel CM238 | - |
| Features | Integrated memory controller | Intel Turbo Boost Technology |
| MEMORY | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| RAM | 16 GB (1 x 16 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 2133 MHz | 3200 MHz |
| Rated Speed | 2400 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 2 |
| Empty Slots | 3 | 1 |
| STORAGE | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| 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 M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro M2200 / Intel HD Graphics P530 | Intel Iris Xe Graphics |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | 4 GB | - |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, dual array microphone | Dual stereo speakers, HP World Facing Microphone multi-array digital microphone |
| Codec | Realtek ALC3268 | - |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | - | Bang & Olufsen Audio |
| COMMUNICATIONS | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8260 - M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | - |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED |
| Features | - | Miracast, dual stream (2x2), MU-MIMO |
| BATTERY | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Technology | 6-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 53 Wh |
| Battery Life | Up to 8.9 hours | Up to 14 hours |
| AC ADAPTER | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt, 20 V | 65 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, pointing stick, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium Quiet Keyboard |
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Spill-resistant, multi-touch clickpad, gesture function, precision touchpad, glass clickpad, image sensor, DuraKeys |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| 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 |
HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0, Sleep & Charge) USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | - |
| SOFTWARE | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| 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 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | - | HP Recovery Manager, HP Support Assistant, Bing Toolbar, HP Hotkey Support, Windows Defender, HP PC Hardware Diagnostics UEFI, Microsoft 365 (Trial), HP Device Access Manager, HP PC Hardware Diagnostics, HP Noise Cancellation, Native Miracast, HP Connection Optimizer, HP Sure Click, HP Fingerprint Sensor, HP Privacy Settings, HP Sure Sense, HP Image Assistant Gen4, HP Sure Admin, HP QuickDrop, HP WorkWell, HP Sure Run Gen3, HP BIOSphere Gen6, myHP, Touchpoint Customiser for Commercial, HP Sure View Reflect, HP Tamper Lock, HP Client Security Manager Gen7, HP Sure Recover Gen4, HP Sure Recover with Embedded Reimaging Gen4, HP SureStart Gen7, HP Proactive Security, Microsoft Bitlocker Encryption, HP TPM Configuration Utility |
| MISCELLANEOUS | Lenovo ThinkPad P51 (20MN) | HP ZBook Firefly 14 G8 Mobile Workstation |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Integrated Options | - | Tile module |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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 | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | BIOS Absolute Persistence, Power On Authentication, HP Fast Charge, Pre-boot Authentication, Master Boot Record Security, HP Secure Erase |
| Compliant Standards | RoHS | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, KCC, WEEE, A-Tick, ICES, CIT, CP65, low halogen, IEEE 1680, ICCP, MIL-STD 810H |
| ENERGY STAR Certified | Yes | Yes |
| 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 | - | Limited warranty - parts and labour - 3 years |
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