Lenovo ThinkPad P51 (20HJ) vs. Dell Precision 3480

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad P51 (20HJ)
Lenovo ThinkPad P51 (20HJ)

In depth comparison and review of Lenovo ThinkPad P51 (20HJ) 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 Lenovo ThinkPad P51 (20HJ) and Dell Precision 3480
75 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad P51 (20HJ) vs. Dell Precision 3480 Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 37.74 cm x 25.23 cm x 2.94 cm 32.135 cm x 21.2 cm x 2.104 cm
Weight 2.55 kg 1.39 kg
Case Material Glass-fibre reinforced plastic, magnesium-aluminum alloy -
Colour Black Grey
DISPLAY Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Screen Size (Type) 15.6" - IPS 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 Aspect Ratio 16:9 -
Image Brightness 250 cd/m² 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 Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
CPU Intel Core i7 (7th Gen) 7820HQ / 2.9 GHz Intel Core i7 (13th Gen) 1360P / 2.2 GHz
Max Turbo Speed 3.9 GHz 5 GHz
Number of Cores Quad-Core 12-core
Cache 8 MB L3 - 18 MB
64-bit Computing Yes -
Chipset Mobile Intel CM238 -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
RAM 8 GB (1 x 8 GB) 16 GB (2 x 8 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM - non-ECC 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 3 0
STORAGE Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Main Storage Size (HDD/SSD) 500 GB HDD SATA 6Gb/s / 7200 rpm 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35
AUDIO & VIDEO Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA Quadro M1200 / Intel HD Graphics 630 Intel Iris Xe Graphics
Video Memory 4 GB -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - Full HD
Resolution - 2.07 Megapixel
Camera Features - Privacy shutter, RGB camera, Temporal Noise Reduction, 80 degrees
Image Sensor Type - CMOS
Video Resolutions - 1920 x 1080
Frame Rate - 30 frames per second
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3268 -
Compliant Standards High Definition Audio High Definition Audio
Audio Features - Output: MaxxAudio 12.0, Realtek Waves
COMMUNICATIONS Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Dual Band Wireless-AC 8265 - M.2 Card 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 Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Technology 4-cell Lithium Ion 3-cell
Battery Capacity (Size) 66 Wh 42 Wh
Battery Life Up to 6.5 hours -
Battery Weight - 190 g
AC ADAPTER Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 170 Watt, 20 V 130 Watt, 5 / 20 V
INPUT Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad -
CONNECTIONS & EXPANSIONS Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Slots 1 x ExpressCard/34 (1 free) -
Interfaces USB 3.1 Gen 1/USB 3.0 (Always On)
3 x USB 3.1 Gen 1/USB 3.0
USB-C (supports Thunderbolt 3)
Mini DisplayPort
HDMI
LAN
Dock
Headphone/microphone combo jack
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 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) -
SOFTWARE Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 11 Pro - Dutch / English / French / German / Italian
Software Included - Intel Rapid Storage Technology, Microsoft Office (30 days trial, excludes office licence)
MISCELLANEOUS Lenovo ThinkPad P51 (20HJ) Dell Precision 3480
Dockable Yes -
Included Accessories Power adapter USB-C power adapter
Integrated Options - Accelerometer, ambient light sensor
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, smart card reader
Security Slot Type Kensington security slot Noble Wedge 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, ThinkVantage Active Protection System, MIL-STD-810G tested ExpressCharge, single pointing
Compliant Standards RoHS FIPS 140-2, TCG Certified
ENERGY STAR Certified Yes -
Carbon Footprint - 288 kg carbon emissions
Max Operating Temperature - 35 °C
Min Operating Temperature - 0 °C
Humidity Range Operating - 10 - 90% (non-condensing)
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