Dell Precision 7520 vs. Dell Precision 3480

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Precision 7520 and Dell Precision 3480. 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 3480 Review

Advantages and disadvantages of Dell Precision 3480 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient thermal management

reliable performance

good connectivity options

decent battery life

average display quality

heavier design

limited graphics power

costly for specifications

Laptop Comparison and Tests

Difference between Dell Precision 7520 and Dell Precision 3480
75 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Precision 7520 vs. Dell Precision 3480 Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 7520 Dell Precision 3480
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 37.8 cm x 26.1 cm x 3.3 cm 32.135 cm x 21.2 cm x 2.104 cm
Weight 2.8 kg 1.39 kg
Colour Black Grey
DISPLAY Dell Precision 7520 Dell Precision 3480
Screen Size (Type) 15.6" 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) - 157
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Brightness - 250 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Anti-glare, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.161 mm pixel pitch
PROCESSOR Dell Precision 7520 Dell Precision 3480
CPU Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz Intel Core i7 (13th Gen) 1360P / 2.2 GHz
Max Turbo Speed 3.8 GHz 5 GHz
Number of Cores Quad-Core 12-core
Cache 6 MB L3 - 18 MB
64-bit Computing Yes -
Chipset Mobile Intel CM238 -
Features Intel Turbo Boost Technology 2.0 Intel Smart Cache
MEMORY Dell Precision 7520 Dell Precision 3480
RAM 16 GB (2 x 8 GB) 16 GB (2 x 8 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 2400 MHz 4800 MHz
Rated Speed 2400 MHz 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 4 2
Empty Slots 2 0
STORAGE Dell Precision 7520 Dell Precision 3480
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35
AUDIO & VIDEO Dell Precision 7520 Dell Precision 3480
Graphics Processor (GPU) AMD Radeon Pro WX 4130 Intel Iris Xe Graphics
Video Memory 2 GB GDDR5 SDRAM -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1280 x 720 Yes - Full HD
Resolution - 2.07 Megapixel
Camera Features - Privacy shutter, RGB camera, Temporal Noise Reduction, 80 degrees
Image Sensor Type CMOS CMOS
Video Resolutions 1280 x 720 1920 x 1080
Frame Rate - 30 frames per second
Sound Two microphones Stereo speakers, dual array microphone
Compliant Standards High Definition Audio High Definition Audio
Audio Features - Output: MaxxAudio 12.0, Realtek Waves
COMMUNICATIONS Dell Precision 7520 Dell Precision 3480
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Dual Band Wireless-AC 8265 Intel Wi-Fi 6E AX 211 - M.2 2230
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features - Dual stream (2x2), MU-MIMO
BATTERY Dell Precision 7520 Dell Precision 3480
Technology 6-cell Lithium Ion 3-cell
Battery Capacity (Size) - 42 Wh
Battery Weight - 190 g
AC ADAPTER Dell Precision 7520 Dell Precision 3480
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 180 Watt, 19.5 V, 9.23 A 130 Watt, 5 / 20 V
INPUT Dell Precision 7520 Dell Precision 3480
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 3480
Interfaces Mini DisplayPort
LAN
4 x USB 3.1 Gen 1 (PowerShare)
Headphone/microphone combo jack
HDMI
Dock
USB-C (supports Thunderbolt)
HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) -
SOFTWARE Dell Precision 7520 Dell Precision 3480
Operating System (OS) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) Windows 11 Pro - Dutch / English / French / German / Italian
Software Included Microsoft Office (Trial), McAfee (30 days trial) Intel Rapid Storage Technology, Microsoft Office (30 days trial, excludes office licence)
MISCELLANEOUS Dell Precision 7520 Dell Precision 3480
Dockable Yes -
Included Accessories Power adapter USB-C power adapter
Integrated Options - Accelerometer, ambient light sensor
Security Trusted Platform Module (TPM) Security Chip, smart card reader Discrete 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, single pointing
Compliant Standards - FIPS 140-2, TCG Certified
Carbon Footprint - 288 kg carbon emissions
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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