In depth comparison and review of Dell Precision 7520 and HP Zbook 15 G3. 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 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 7520 | HP Zbook 15 G3 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26.1 cm x 3.3 cm | 38.6 cm x 26.4 cm x 2.6 cm |
| Weight | 2.8 kg | 2.59 kg |
| Colour | Black | - |
| DISPLAY | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Features | Anti-glare | - |
| PROCESSOR | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| CPU | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz | Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | - |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM238 | - |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 4 |
| Empty Slots | 2 | - |
| STORAGE | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 240 GB SSD |
|---|
| AUDIO & VIDEO | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Pro WX 4130 | NVIDIA Quadro M2000M / Intel HD Graphics 530 |
| Video Memory | 2 GB GDDR5 SDRAM | 4 GB GDDR5 SDRAM |
| Video System Features | - | NVIDIA Optimus, Shader Model 5.0 |
| Camera | Yes - 1280 x 720 | Yes - 720p |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Sound | Two microphones | Stereo speakers, dual array microphone |
| Codec | - | CX7501 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | - | Bang & Olufsen Audio |
| COMMUNICATIONS | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth, Wi-Fi |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|
| AC ADAPTER | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 180 Watt, 19.5 V, 9.23 A | 150 Watt, 19.5 V |
| INPUT | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad, pointing stick |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad | Volume control, spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Interfaces | Mini DisplayPort LAN 4 x USB 3.1 Gen 1 (PowerShare) Headphone/microphone combo jack HDMI Dock USB-C (supports Thunderbolt) |
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 (SD Card) | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Precision 7520 | 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), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell Precision 7520 | HP Zbook 15 G3 |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM) Security Chip, smart card reader | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | - | 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 | 10 °C | - |
| Humidity Range Operating | 20 - 80% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 3 years - response time: next business day | Limited warranty - 2 years - pick-up and return |
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