In depth comparison and review of HP ZBook Studio G9 Mobile Workstation and Lenovo ThinkPad P51 (20HJ). 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.
| DESIGN AND DIMENSIONS | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 24.2 cm x 1.9 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 1.73 kg | 2.55 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | Nouvelle silver | Black |
| DISPLAY | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Screen Size (Type) | 16" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 400 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-glare, WUXGA ultra wide-viewing angle (UWVA), narrow bezel bent | Anti-glare |
| PROCESSOR | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | Intel Core i7 (7th Gen) 7820HQ / 2.9 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.9 GHz |
| Number of Cores | 14-core | Quad-Core |
| Cache | L3 - 24 MB | 8 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel CM238 |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 | Integrated memory controller |
| MEMORY | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR5 SDRAM - non-ECC | DDR4 SDRAM - non-ECC |
| Speed | 4800 MHz | 2400 MHz |
| Rated Speed | 4800 MHz | 2400 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 0 | 3 |
| STORAGE | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe), triple-level cell (TLC) | 500 GB HDD SATA 6Gb/s / 7200 rpm |
|---|
| AUDIO & VIDEO | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA RTX A1000 / Intel Iris Xe Graphics | NVIDIA Quadro M1200 / Intel HD Graphics 630 |
| Video Memory | 4 GB GDDR6 SDRAM | 4 GB |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | IR camera, Windows Hello | - |
| Video Resolutions | 720p | - |
| Sound | Four speakers, HP World Facing Microphone / dual-array digital microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3268 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Miracast, dual stream (2x2) | - |
| BATTERY | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Technology | 6-cell lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 66 Wh |
| Battery Life | - | Up to 6.5 hours |
| AC ADAPTER | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 150 Watt | 170 Watt, 20 V |
| INPUT | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Type | Keyboard, ClickPad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Name | HP Premium Quiet Keyboard | - |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Volume control, multi-touch clickpad, gesture function, spill-resistant, DuraKeys | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Slots | - | 1 x ExpressCard/34 (1 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 (charging) Headphone/microphone combo jack 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery, Sleep & Charge) DisplayPort |
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 (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | HP Support Assistant, HP Hotkey Support, HP Performance Advisor, Windows Defender, HP Device Access Manager, HP Image Assistant, HP PC Hardware Diagnostics, HP Manageability & Integration Kit, HP Connection Optimizer, HP Privacy Settings, HP Sure Admin, HP QuickDrop, HP BIOSphere Gen6, HP Noise Cancellation Software, HP Client Security Manager Gen7, HP Easy Clean, HP ZCentral Remote Boost 2020 Software for Z workstation (free download), Data Science Stack, HP Z Light Space | - |
| MISCELLANEOUS | HP ZBook Studio G9 Mobile Workstation | Lenovo ThinkPad P51 (20HJ) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | HP 150 Watt Smart Slim AC Adapter | Power adapter |
| Integrated Options | Tile module, HP Tamper Lock | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | BIOS Absolute Persistence, Power On Authentication, Pre-boot Authentication, Master Boot Record Security, HP Sure Start Gen 6 | Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, MIL-STD-810G tested |
| Compliant Standards | Low halogen | RoHS |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - parts and labour - 3 years | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
