Dell Precision 3551 vs. Lenovo ThinkPad P15s Gen 2 (20W7)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Dell Precision 3551 and Lenovo ThinkPad P15s Gen 2 (20W7). 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.

Dell Precision 3551 Review

Advantages and disadvantages of Dell Precision 3551 based on its technical characteristics, features, user experience, expert reviews and price level.

robust processing power

expandable memory options

reliable build quality

adequate port selection

decent battery life

heavier design

basic display quality

noisy under load

premium price tag

Lenovo ThinkPad P15s Gen 2 (20W7) Review

Advantages and disadvantages of Lenovo ThinkPad P15s Gen 2 (20W7) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive battery life

lightweight and portable

good thermal management

mediocre display brightness

limited graphics performance

higher price point

no HDMI port

Laptop Comparison and Tests

Difference between Dell Precision 3551 and Lenovo ThinkPad P15s Gen 2 (20W7)
74 % - Design
64 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery
85 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Precision 3551 vs. Lenovo ThinkPad P15s Gen 2 (20W7) Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 35.91 cm x 23.625 cm x 1.499 cm 36.58 cm x 24.8 cm x 1.91 cm
Weight 1.89 kg 1.75 kg
Case Material - Polycarbonate ABS, glass-fibre, magnesium alloy, polyamide, Talc15
Colour - Black
DISPLAY Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Screen Size (Type) 15.6" 15.6" - IPS
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 - 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle Anti-glare, 170° viewing angle
PROCESSOR Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
CPU Intel Core i7 (10th Gen) 10750H / 2.6 GHz Intel Core i7 (11th Gen) 1185G7 / 3 GHz
Max Turbo Speed 5 GHz 4.8 GHz
Number of Cores 6-core Quad-Core
Cache 12 MB 12 MB
64-bit Computing Yes -
Features Intel Turbo Boost Max Technology 3.0 Integrated memory controller
MEMORY Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
RAM 8 GB (1 x 8 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB 48 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2933 MHz 3200 MHz
Rated Speed 2933 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 1 1
STORAGE Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 512 GB SSD M.2 2280 PCIe 3.0 - TCG Opal Encryption - Samsung
AUDIO & VIDEO Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA Quadro P620 NVIDIA Quadro T500 / Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory 4 GB GDDR5 SDRAM 4 GB GDDR6 SDRAM
Camera Yes - HD Yes - 720p
Resolution 8 Megapixel -
Camera Features 78.6 degrees Privacy shutter, IR camera
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3204 Realtek ALC3287
Compliant Standards High Definition Audio, Wave MAXXAudio Pro High Definition Audio, Dolby Audio
COMMUNICATIONS Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Wireless 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Intel Wi-Fi 6 AX 201 -
Network Interface Gigabit Ethernet Gigabit Ethernet
BATTERY Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Technology 4-cell Lithium polymer
Battery Capacity (Size) 68 Wh 57 Wh
AC ADAPTER Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 130 Watt, 20 V, 6.5 A 65 Watt
INPUT Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Type Keyboard, touchpad, pointing stick Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Interfaces HDMI
USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode)
USB 3.1 (PowerShare)
2 x USB 3.1 Gen 1
LAN
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB4 (supports USB-C 3.2 Gen 2, Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
LAN
Dock
Memory Card Reader Yes (microSD, microSDHC, microSDXC) Yes (microSD)
SOFTWARE Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Operating System (OS) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) Windows 10 Pro 64-bit Edition
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Dell Precision 3551 Lenovo ThinkPad P15s Gen 2 (20W7)
Dockable - Yes
Included Accessories Power adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, smart card reader Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Noble Wedge security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features - Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards - RoHS
Max Operating Temperature 35 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 0 - 95% (non-condensing) -
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