In depth comparison and review of Lenovo ThinkPad P51 (20HJ) and HP ZBook Firefly 15 G7 Mobile Workstation. 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 HP ZBook Firefly 15 G7 Mobile Workstation based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
powerful i7 processor
high-resolution display
robust security features
fast ssd storage
expensive price point
average battery life
no dedicated GPU
limited color options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 35.95 cm x 23.36 cm x 1.92 cm |
| Weight | 2.55 kg | 1.73 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | - |
| Colour | Black | - |
| DISPLAY | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Ambient light sensor, anti-glare, Panel Self Refresh (PSR), Low Power |
| PROCESSOR | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| CPU | Intel Core i7 (7th Gen) 7820HQ / 2.9 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | L3 - 6 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM238 | - |
| Features | Integrated memory controller | Intel Turbo Boost Technology |
| MEMORY | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 2400 MHz | 2666 MHz |
| Rated Speed | 2400 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 2 |
| Empty Slots | 3 | 1 |
| STORAGE | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 6Gb/s / 7200 rpm | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 / Intel HD Graphics 630 | Intel UHD Graphics |
| Video Memory | 4 GB | - |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | - | Privacy shutter, IR camera |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, dual array microphone | 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 (20HJ) | HP ZBook Firefly 15 G7 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 8265 - M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | - |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | Wi-Fi CERTIFIED |
| Features | - | Miracast, dual stream (2x2), MU-MIMO |
| BATTERY | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Technology | 4-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 66 Wh | 56 Wh |
| Battery Life | Up to 6.5 hours | Up to 23 hours |
| AC ADAPTER | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 115/230 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt, 20 V | 65 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, pointing stick, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium |
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Spill-resistant, multi-touch clickpad, gesture function, precision touchpad, glass clickpad, DuraKeys |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 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 |
USB 3.1 Gen 1 (charging) USB 3.1 Gen 1 Headphone/microphone combo jack 2 x USB-C (supports Thunderbolt 3) HDMI |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | - |
| SOFTWARE | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | - | HP Recovery Manager, HP Support Assistant, Bing Toolbar, HP Hotkey Support, Windows Defender, HP Secure Erase, CyberLink Power Media Player, HP Device Access Manager, HP JumpStart, HP Noise Cancellation, Native Miracast, HP Connection Optimizer, HP Fingerprint Sensor, HP BIOSphere Gen5, HP Client Security Manager Gen5, HP Sure Sense, HP SureStart Gen5, HP Sure Recover Gen2, HP Sure Platform |
| MISCELLANEOUS | Lenovo ThinkPad P51 (20HJ) | HP ZBook Firefly 15 G7 Mobile Workstation |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| 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, ThinkVantage Active Protection System, MIL-STD-810G tested | BIOS Absolute Persistence, Power On Authentication, HP Fast Charge, Pre-boot Authentication, Master Boot Record Security |
| Compliant Standards | RoHS | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, KCC, WEEE, A-Tick, ICES, CIT, low halogen, ICCP, AUS/NZ, 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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