Side by side comparison and review of Dell Precision 5520 and HP Zbook 15 G1. Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of HP Zbook 15 G1 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful quad-core processor
expandable memory options
high-resolution display
good connectivity options
heavier than competitors
older model
noisy under load
average battery life
| DESIGN AND DIMENSIONS | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.7 cm | 38.15 cm x 25.7 cm x 3.55 cm |
| Weight | 2 kg | 2.82 kg |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | Silver | Graphite, hematite |
| DISPLAY | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| 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 Brightness | 400 cd/m² | - |
| Features | UltraSharp, anti-glare, Wide Viewing Angle | Full HD standard-viewing angle (SVA) eDP anti-glare |
| PROCESSOR | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| CPU | Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz | Intel Core i7 (4th Gen) 4700MQ / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | L3 - 6 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM236 Express | Intel QM87 |
| Platform Technology | Intel vPro Platform | - |
| Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Technology 2.0 |
| MEMORY | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR3L SDRAM |
| Speed | 2133 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 1 | - |
| STORAGE | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 240 GB SSD |
|---|---|---|
| Optical Drive | - | DVD-Writer removable - tray |
| AUDIO & VIDEO | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 | - |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Camera | Yes | Yes - HD |
| Resolution | 0.92 Megapixel | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, microphone | Stereo speakers, stereo microphone |
| Codec | - | IDT 92HD91 |
| Compliant Standards | High Definition Audio | High Definition Audio, DTS Studio Sound |
| COMMUNICATIONS | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | - |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Miracast | - |
| BATTERY | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Max Supported Qty | - | 2 |
| Battery Capacity (Size) | 56 Wh | - |
| AC ADAPTER | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 19.5 V, 6.67 A | - |
| INPUT | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, pointing stick |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Volume control, spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Expansion Bays | - | 1 x Upgrade Bay |
|---|---|---|
| Slots | - | 1 x ExpressCard/54 (1 free) |
| Interfaces | USB-C (supports Thunderbolt 3) LAN (on supplied cable) 2 x USB 3.0 (PowerShare) Headphone/microphone combo jack HDMI |
VGA DisplayPort Thunderbolt Headphone/microphone combo jack LAN 3 x USB 3.0 USB 2.0 Battery Dock |
| Memory Card Reader | Yes (SD Card) | Yes (SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 10 Pro 64-bit Licence - Multilingual User Interface (MUI) | Windows 10 Home (Microsoft Authorized Refurbisher (MAR)) |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell Precision 5520 | HP Zbook 15 G1 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Compliant Standards | - | ACPI, CSA, UL, VCCI, BSMI, ISO 9001, ISO 14001, CCC, FCC, RoHS, FIPS 140-2, WEEE, A-Tick, ICES, KC, ISO 27001 |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 1 year - response time: next business day | Limited warranty - 2 years - pick-up and return |
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