Dell Precision 7520 vs. Dell Precision 7550

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Precision 7520 and Dell Precision 7550. 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.

Dell Precision 7550 Review

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

Laptop Comparison and Tests

Difference between Dell Precision 7520 and Dell Precision 7550
85 % - Design
86 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Precision 7520 vs. Dell Precision 7550 Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 7520 Dell Precision 7550
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 37.8 cm x 26.1 cm x 3.3 cm 36 cm x 24.2 cm x 2.736 cm
Weight 2.8 kg 2.45 kg
Colour Black Grey
DISPLAY Dell Precision 7520 Dell Precision 7550
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
Features Anti-glare 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 7520 Dell Precision 7550
CPU Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz Intel Core i7 (10th Gen) 10850H / 2.7 GHz
Max Turbo Speed 3.8 GHz 5.1 GHz
Number of Cores Quad-Core 6-core
Cache 6 MB 12 MB
64-bit Computing Yes Yes
Chipset Mobile Intel CM238 Mobile Intel WM490
Platform Technology - 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 7520 Dell Precision 7550
RAM 16 GB (2 x 8 GB) 16 GB (2 x 8 GB)
Max RAM Supported 64 GB 128 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz 2933 MHz
Rated Speed 2400 MHz 2933 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 4 4
Empty Slots 2 2
STORAGE Dell Precision 7520 Dell Precision 7550
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Dell Precision 7520 Dell Precision 7550
Graphics Processor (GPU) AMD Radeon Pro WX 4130 NVIDIA Quadro RTX 3000
Video Memory 2 GB GDDR5 SDRAM 6 GB GDDR6 SDRAM
Camera Yes - 1280 x 720 Yes - HD
Resolution - 0.92 Megapixel
Camera Features - 74.9 degrees
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 1280 x 720
Frame Rate - 30 frames per second
Sound Two microphones Stereo speakers, dual array microphone
Codec - Realtek ALC3281
Compliant Standards High Definition Audio High Definition Audio
COMMUNICATIONS Dell Precision 7520 Dell Precision 7550
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1
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 - Wake-on-LAN (WOL)
WWAN
Generation - 4G
Technology - LTE
Controller - Qualcomm Snapdragon X20
BATTERY Dell Precision 7520 Dell Precision 7550
Technology 6-cell Lithium Ion 6-cell Lithium Ion
AC ADAPTER Dell Precision 7520 Dell Precision 7550
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 180 Watt, 19.5 V, 9.23 A 180 Watt, 19.5 V, 9.23 A
INPUT Dell Precision 7520 Dell Precision 7550
Type Keyboard, touchpad, pointing stick Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Multi-touch touchpad -
CONNECTIONS & EXPANSIONS Dell Precision 7520 Dell Precision 7550
Interfaces Mini DisplayPort
LAN
4 x USB 3.1 Gen 1 (PowerShare)
Headphone/microphone combo jack
HDMI
Dock
USB-C (supports Thunderbolt)
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
Memory Card Reader Yes (SD Card) Yes (SD Card, SDHC Card, SDXC Card)
SOFTWARE Dell Precision 7520 Dell Precision 7550
Operating System (OS) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI)
Software Included Microsoft Office (Trial), McAfee (30 days trial) Microsoft Office (Trial)
MISCELLANEOUS Dell Precision 7520 Dell Precision 7550
Dockable Yes -
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM) Security Chip, smart card reader 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) Security lock slot (cable lock sold separately)
Features - ExpressCharge
Compliant Standards - FIPS 140-2, TCG Certified
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 10 °C 0 °C
Humidity Range Operating 20 - 80% (non-condensing) 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - 3 years - response time: next business day -
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