Dell Precision 7520 vs. Lenovo ThinkPad P15 Gen 1 (20SU)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad P15 Gen 1 (20SU)
Lenovo ThinkPad P15 Gen 1 (20SU)

Our Rating: 85 %

In depth comparison and review of Dell Precision 7520 and Lenovo ThinkPad P15 Gen 1 (20SU). 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.

Lenovo ThinkPad P15 Gen 1 (20SU) Review

Advantages and disadvantages of Lenovo ThinkPad P15 Gen 1 (20SU) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

powerful processor performance

excellent keyboard feel

good thermal management

reliable security features

heavy and bulky

expensive price point

average battery life

limited color accuracy

Laptop Comparison and Tests

Difference between Dell Precision 7520 and Lenovo ThinkPad P15 Gen 1 (20SU)
82 % - Design
75 % - Display
86 % - Performance
84 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Precision 7520 vs. Lenovo ThinkPad P15 Gen 1 (20SU) Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 37.8 cm x 26.1 cm x 3.3 cm 37.54 cm x 25.23 cm x 3.145 cm
Weight 2.8 kg 2.74 kg
Case Material - Glass-fibre, glass-fibre reinforced plastic, polyphenylene sulfide
Colour Black Black
DISPLAY Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Screen Size (Type) 15.6" 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness - 300 cd/m²
Colour Gamut - 72% NTSC
Features Anti-glare Anti-glare, 160° viewing angle
PROCESSOR Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
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 -
Chipset Mobile Intel CM238 Mobile Intel WM490
Features Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
RAM 16 GB (2 x 8 GB) 8 GB (1 x 8 GB)
Max RAM Supported 64 GB 128 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed 2400 MHz 2933 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 4 4
Empty Slots 2 3
STORAGE Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix
RAID Level - RAID 0, RAID 1
AUDIO & VIDEO Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) AMD Radeon Pro WX 4130 NVIDIA Quadro T2000 / Intel UHD Graphics
Max Monitors Supported - 4 external monitor(s)
Video Memory 2 GB GDDR5 SDRAM 4 GB GDDR6 SDRAM
Camera Yes - 1280 x 720 Yes - 720p
Camera Features - ThinkShutter camera privacy
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Sound Two microphones Stereo speakers, dual array microphone
Codec - Realtek ALC3286
Compliant Standards High Definition Audio Dolby Atmos
COMMUNICATIONS Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Intel Dual Band Wireless-AC 8265 Intel Wi-Fi 6 AX 201 - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
BATTERY Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Technology 6-cell Lithium Ion 6-cell lithium polymer
Battery Capacity (Size) - 94 Wh
Battery Life - Up to 16.4 hours
AC ADAPTER Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 180 Watt, 19.5 V, 9.23 A 170 Watt, 20 V
INPUT Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Type Keyboard, touchpad, pointing stick Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features Multi-touch touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Interfaces Mini DisplayPort
LAN
4 x USB 3.1 Gen 1 (PowerShare)
Headphone/microphone combo jack
HDMI
Dock
USB-C (supports Thunderbolt)
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
LAN
Memory Card Reader Yes (SD Card) Yes (SD Card)
SOFTWARE Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Operating System (OS) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) Windows 10 Pro 64-bit Edition
Software Included Microsoft Office (Trial), McAfee (30 days trial) -
MISCELLANEOUS Dell Precision 7520 Lenovo ThinkPad P15 Gen 1 (20SU)
Dockable Yes -
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM) Security Chip, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington 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, MIL-STD-810G tested, 4x4 MiMo function
Compliant Standards - RoHS
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 10 °C 5 °C
Humidity Range Operating 20 - 80% (non-condensing) 8 - 95%
Manufacturer Warranty Limited warranty - 3 years - response time: next business day -
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