Detailed comparison and review of Dell Precision 3551 and HP Zbook 15 G3. 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 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
Advantages and disadvantages of HP Zbook 15 G3 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
expandable memory options
high-resolution display
good connectivity options
heavier than competitors
expensive base model
average battery life
noisy under load
| DESIGN AND DIMENSIONS | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 38.6 cm x 26.4 cm x 2.6 cm |
| Weight | 1.89 kg | 2.59 kg |
| DISPLAY | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | - | LED 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 Aspect Ratio | - | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle | - |
| PROCESSOR | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | - |
| Number of Cores | 6-core | Quad-Core |
| Cache | 12 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Max Technology 3.0 | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | - |
| Rated Speed | 2933 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 1 | - |
| STORAGE | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 240 GB SSD |
|---|
| AUDIO & VIDEO | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro P620 | NVIDIA Quadro M2000M / Intel HD Graphics 530 |
| Video Memory | 4 GB GDDR5 SDRAM | 4 GB GDDR5 SDRAM |
| Video System Features | - | NVIDIA Optimus, Shader Model 5.0 |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 8 Megapixel | - |
| Camera Features | 78.6 degrees | - |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3204 | CX7501 |
| Compliant Standards | High Definition Audio, Wave MAXXAudio Pro | High Definition Audio |
| Audio Features | - | Bang & Olufsen Audio |
| COMMUNICATIONS | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 | Bluetooth, Wi-Fi |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Technology | 4-cell | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | - |
| AC ADAPTER | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 150 Watt, 19.5 V |
| INPUT | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad, pointing stick |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | - | Volume control, spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Interfaces | 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 |
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 Dock |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Dell Precision 3551 | HP Zbook 15 G3 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | Noble Wedge security slot | Kensington 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 |
| Compliant Standards | - | ISO 9001, ISO 14001, RoHS, ISO 27001 |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 0 - 95% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |
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