Detailed comparison and review of Dell Precision 5520 and Dell Precision 7550. 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 7550 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful workstation performance
high-quality 4k display
robust build quality
excellent thermal management
expandable memory options
heavier than competitors
expensive base model
limited battery life
noisy under load
DESIGN AND DIMENSIONS | Dell Precision 5520 | Dell Precision 7550 |
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Product Type | Mobile workstation | Mobile workstation |
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Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.7 cm | 36 cm x 24.2 cm x 2.736 cm |
Weight | 2 kg | 2.45 kg |
Colour | Silver | Grey |
DISPLAY | Dell Precision 5520 | Dell Precision 7550 |
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Screen Size (Type) | 15.6" | 15.6" |
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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 | 400 cd/m² | - |
Features | UltraSharp, anti-glare, Wide Viewing Angle | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.18 mm pixel pitch |
PROCESSOR | Dell Precision 5520 | Dell Precision 7550 |
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CPU | Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz | Intel Core i7 (10th Gen) 10850H / 2.7 GHz |
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Max Turbo Speed | 3.6 GHz | 5.1 GHz |
Number of Cores | Quad-Core | 6-core |
Cache | 8 MB | 12 MB |
64-bit Computing | Yes | Yes |
Chipset | Mobile Intel CM236 Express | Mobile Intel WM490 |
Platform Technology | Intel vPro Platform | Intel vPro Platform |
Features | Intel Turbo Boost Technology 2.0 | Intel Turbo Boost Max Technology 3.0, Intel Thermal Velocity Boost, Intel vPro Platform Eligibility |
MEMORY | Dell Precision 5520 | Dell Precision 7550 |
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RAM | 8 GB (1 x 8 GB) | 16 GB (2 x 8 GB) |
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Max RAM Supported | 32 GB | 128 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2133 MHz | 2933 MHz |
Rated Speed | - | 2933 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 4 |
Empty Slots | 1 | 2 |
STORAGE | Dell Precision 5520 | Dell Precision 7550 |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Dell Precision 5520 | Dell Precision 7550 |
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Graphics Processor (GPU) | NVIDIA Quadro M1200 | NVIDIA Quadro RTX 3000 |
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Video Memory | 4 GB GDDR5 SDRAM | 6 GB GDDR6 SDRAM |
Camera | Yes | Yes - HD |
Resolution | 0.92 Megapixel | 0.92 Megapixel |
Camera Features | - | 74.9 degrees |
Video Resolutions | 1280 x 720 | 1280 x 720 |
Frame Rate | 30 frames per second | 30 frames per second |
Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3281 |
Compliant Standards | High Definition Audio | High Definition Audio |
COMMUNICATIONS | Dell Precision 5520 | Dell Precision 7550 |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 |
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Wireless Controller | Intel Dual Band Wireless-AC 8265 | Intel Wi-Fi 6 AX 201 - M.2 2230 |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-LM |
Features | Miracast | Wake-on-LAN (WOL) |
WWAN |
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Generation | - | 4G |
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Technology | - | LTE |
Controller | - | Qualcomm Snapdragon X20 |
BATTERY | Dell Precision 5520 | Dell Precision 7550 |
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Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
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Battery Capacity (Size) | 56 Wh | - |
AC ADAPTER | Dell Precision 5520 | Dell Precision 7550 |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 130 Watt, 19.5 V, 6.67 A | 180 Watt, 19.5 V, 9.23 A |
INPUT | Dell Precision 5520 | Dell Precision 7550 |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Keyboard Backlight | Yes | Yes |
CONNECTIONS & EXPANSIONS | Dell Precision 5520 | Dell Precision 7550 |
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Interfaces | USB-C (supports Thunderbolt 3) LAN (on supplied cable) 2 x USB 3.0 (PowerShare) Headphone/microphone combo jack HDMI |
HDMI Mini DisplayPort 1.4 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (SD Card) | Yes (SD Card, SDHC Card, SDXC Card) |
SOFTWARE | Dell Precision 5520 | Dell Precision 7550 |
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Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 10 Pro 64-bit Licence - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
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Software Included | Microsoft Office (Trial), McAfee (30 days trial) | Microsoft Office (Trial) |
MISCELLANEOUS | Dell Precision 5520 | Dell Precision 7550 |
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Included Accessories | Power adapter | Power adapter |
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Security | Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader |
Security Slot Type | - | Noble Wedge security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | - | ExpressCharge |
Compliant Standards | - | FIPS 140-2, TCG Certified |
Max Operating Temperature | 40 °C | 35 °C |
Min Operating Temperature | 0 °C | 0 °C |
Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
Manufacturer Warranty | Limited warranty - 1 year - response time: next business day | - |