Dell Precision 3551 vs. Lenovo ThinkPad P1 Gen 6 (21FV)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Dell Precision 3551 and Lenovo ThinkPad P1 Gen 6 (21FV). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

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 P1 Gen 6 (21FV) Review

Advantages and disadvantages of Lenovo ThinkPad P1 Gen 6 (21FV) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful processor performance

high-resolution display

robust build quality

excellent keyboard feel

advanced security features

heavier than competitors

expensive base model

average battery life

limited color options

Laptop Comparison and Tests

Difference between Dell Precision 3551 and Lenovo ThinkPad P1 Gen 6 (21FV)
74 % - Design
64 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery
81 % - Design
84 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Precision 3551 vs. Lenovo ThinkPad P1 Gen 6 (21FV) Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Product Type Mobile workstation Mobile workstation - 180-degree hinge design
Dimensions (WxDxH) 35.91 cm x 23.625 cm x 1.499 cm 35.95 cm x 25.38 cm x 1.75 cm
Weight 1.89 kg 1.86 kg
Case Material - Aluminium (bottom), carbon fibre reinforced plastic (top), glass-fibre reinforced plastic hybrid (top)
Colour - Black paint
DISPLAY Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Screen Size (Type) 15.6" 16" - IPS
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQXGA)
Pixel Density (ppi) 141 -
V-Sync Rate at Max Res. 60 Hz 165 Hz
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness - 500 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle Anti-glare, Low Blue Light technology, X-Rite Pantone factory color calibration, 86.2% screen-to-body ratio, DC dimming
PROCESSOR Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
CPU Intel Core i7 (10th Gen) 10750H / 2.6 GHz Intel Core i7 (13th Gen) 13700H / 2.4 GHz
Max Turbo Speed 5 GHz 5 GHz
Number of Cores 6-core 14-core
Cache 12 MB 24 MB
64-bit Computing Yes -
Features Intel Turbo Boost Max Technology 3.0 Integrated memory controller
MEMORY Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
RAM 8 GB (1 x 8 GB) 16 GB (1 x 16 GB)
Max RAM Supported 64 GB 96 GB
RAM Type DDR4 SDRAM DDR5 SDRAM - non-ECC
Speed 2933 MHz 5600 MHz
Rated Speed 2933 MHz 5600 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance
RAID Level - RAID 0, RAID 1
AUDIO & VIDEO Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA Quadro P620 NVIDIA RTX A1000 / Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory 4 GB GDDR5 SDRAM 6 GB GDDR6 SDRAM
Video System Features - FXAA, NVIDIA TXAA, Direct X 12 Ultimate, Vulkan Support
Camera Yes - HD Yes - 1080p
Resolution 8 Megapixel -
Camera Features 78.6 degrees Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection
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 ALC3306
Compliant Standards High Definition Audio, Wave MAXXAudio Pro High Definition Audio, Dolby Atmos
Audio Features - Input: Dolby Voice, far-field
COMMUNICATIONS Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Wireless 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet -
Features - Dual stream (2x2)
BATTERY Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Technology 4-cell Lithium polymer
Battery Capacity (Size) 68 Wh 90 Wh
AC ADAPTER Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 130 Watt, 20 V, 6.5 A 170 Watt
INPUT Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Type Keyboard, touchpad, pointing stick Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad
CONNECTIONS & EXPANSIONS Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
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 Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI 2.1 (8K support)
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDHC, microSDXC) Yes (SD Express Card)
SOFTWARE Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Operating System (OS) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) Windows 11 Pro - English
Software Included Microsoft Office (Trial) NVIDIA RTX Desktop Manager
MISCELLANEOUS Dell Precision 3551 Lenovo ThinkPad P1 Gen 6 (21FV)
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Noble Wedge security slot Kensington nano 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, bottom cover tamper detection
Compliant Standards - RoHS, TUV Rheinland Low Blue Light Certification, TCG Certified, TCO Certified 9.0
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 0 - 95% (non-condensing) 8 - 95%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site - response time: next business day
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