Detailed comparison and review of HP ZBook 15 G6 Mobile Workstation and Dell Precision 3551. 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 HP ZBook 15 G6 Mobile Workstation based on its technical characteristics, features, user experience, expert reviews and price level.
powerful quad-core processor
high-resolution dreamcolor display
robust aluminum chassis
expandable memory options
advanced security features
heavier than competitors
shorter battery life
noisy under load
expensive base model
Advantages and disadvantages of Dell Precision 3551 based on its technical characteristics, features, user experience, expert reviews and price level.
robust processing power
expandable memory options
reliable build quality
adequate port selection
decent battery life
heavier design
basic display quality
noisy under load
premium price tag
| DESIGN AND DIMENSIONS | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.6 cm x 26.4 cm x 2.6 cm | 35.91 cm x 23.625 cm x 1.499 cm |
| Weight | 2.6 kg | 1.89 kg |
| DISPLAY | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | - | 141 |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% sRGB | - |
| Features | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle |
| PROCESSOR | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i7 (10th Gen) 10750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 5 GHz |
| Number of Cores | 6-core | 6-core |
| Cache | 12 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Max Technology 3.0 |
| MEMORY | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2933 MHz |
| Rated Speed | 2666 MHz | 2933 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 2 |
| Empty Slots | 3 | 1 |
| STORAGE | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 PCIe |
|---|---|---|
| RAID Level | RAID 1 | - |
| SSD Cache | 16 GB 3D Xpoint (Optane) (PCIe (NVMe)) | - |
| AUDIO & VIDEO | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro T1000 / Intel UHD Graphics 630 | NVIDIA Quadro P620 |
| Video Memory | 4 GB GDDR5 SDRAM | 4 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - HD |
| Resolution | - | 8 Megapixel |
| Camera Features | - | 78.6 degrees |
| Image Sensor Type | - | CMOS |
| Video Resolutions | 720p | 1280 x 720 |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3204 |
| Compliant Standards | High Definition Audio | High Definition Audio, Wave MAXXAudio Pro |
| Audio Features | Bang & Olufsen Audio, HP Clear Sound Amp | - |
| COMMUNICATIONS | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 - PCI Express Mini Card (M.2) | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | - |
| Bluetooth Class | Class 2 | - |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.3az | - |
| Remote Management Protocol | SNMP 2 | - |
| Features | Miracast, Wake-on-LAN (WOL) | - |
| BATTERY | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Technology | 4-cell lithium polymer | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 68 Wh |
| AC ADAPTER | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 150 Watt, 19.5 V | 130 Watt, 20 V, 6.5 A |
| INPUT | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Type | Keyboard, pointing stick, ClickPad | Keyboard, touchpad, pointing stick |
|---|---|---|
| Keyboard Name | HP Collaboration | - |
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, spill-resistant, ClickPad with gesture support | - |
| CONNECTIONS & EXPANSIONS | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Interfaces | LAN USB 3.1 Gen 1 (charging) HDMI 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) Headphone/microphone combo jack 2 x USB 3.1 Gen 1 |
HDMI USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) USB 3.1 (PowerShare) 2 x USB 3.1 Gen 1 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | HP ZBook 15 G6 Mobile Workstation | Dell Precision 3551 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader |
| Security Slot Type | Kensington security slot | Noble Wedge security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | HP DuraKeys, Automatic DriveLock, HP DriveLock, Measured Boot, Power On Authentication, Pre-boot Authentication, Master Boot Record Security, BIOS Update via Network, HP Sure Click | - |
| Compliant Standards | ACPI, CSA, UL, FCC, RoHS, WEEE, Common Criteria EAL4+, low halogen | - |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 0 - 95% (non-condensing) |
| Manufacturer Warranty | Limited warranty - parts and labour - 3 years | - |
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