Dell Precision 3571 vs. Lenovo ThinkPad L15 Gen 3 (21C7)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Precision 3571 and Lenovo ThinkPad L15 Gen 3 (21C7). 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 3571 Review

Advantages and disadvantages of Dell Precision 3571 based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processors

robust build quality

excellent security features

high-resolution display

good thermal management

heavier than competitors

limited color options

higher price point

average battery life

Lenovo ThinkPad L15 Gen 3 (21C7) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C7) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

adequate performance level

reliable security features

average display quality

limited graphics power

heavier than competitors

no thunderbolt support

Laptop Comparison and Tests

Difference between Dell Precision 3571 and Lenovo ThinkPad L15 Gen 3 (21C7)
86 % - Design
75 % - Display
80 % - Performance
85 % - Connectivity
75 % - Battery
86 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Precision 3571 vs. Lenovo ThinkPad L15 Gen 3 (21C7) Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.78 cm x 23.33 cm x 2.405 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 1.79 kg 1.76 kg
Case Material - Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Grey Thunder black
DISPLAY Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Screen Size (Type) 15.6" 15.6" - IPS
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 16:9
Image Brightness 400 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch, Low Blue Light technology, Super Low Power Panel (SLP) Anti-glare
PROCESSOR Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
CPU Intel Core i7 (12th Gen) 12700H / 2.3 GHz AMD Ryzen 3 Pro 5475U / 2.7 GHz
Max Turbo Speed 4.7 GHz 4.1 GHz
Number of Cores 14-core Quad-Core
Cache 24 MB L3 - 8 MB
Chipset Intel H45 -
Platform Technology Intel vPro Essentials -
Features Intel Smart Cache Integrated memory controller
MEMORY Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
RAM 32 GB (2 x 16 GB) 8 GB (1 x 8 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 3200 MHz
Rated Speed 4800 MHz 3200 MHz
Form Factor SO-DIMM 262-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 0 1
STORAGE Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Graphics Processor (GPU) NVIDIA RTX A1000 AMD Radeon Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory 4 GB GDDR6 SDRAM -
Camera Yes Yes - 1080p
Camera Features Privacy shutter, IR camera, RGB camera Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Image Sensor Type CMOS -
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 High Definition Audio, Dolby Audio
Audio Features MaxxAudio Pro Input: Dolby Voice, far-field
COMMUNICATIONS Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6E AX 211 - M.2 2230 AMD RZ616 - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Intel I219-LM Realtek RTL8111EPV
Compliant Standards - DASH
Features - Wake-on-LAN (WOL), dual stream (2x2)
BATTERY Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Technology 4-cell lithium polymer Lithium polymer
Battery Capacity (Size) 64 Wh 57 Wh
AC ADAPTER Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 130 Watt, 5 / 20 V, 6.5 A 65 Watt
INPUT Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Interfaces HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
LAN (RJ-45)
Headphone/microphone combo jack
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
HDMI (4K support)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN
Memory Card Reader Yes (microSD, microSDHC, microSDXC) Yes (microSD)
SOFTWARE Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Operating System (OS) Windows 10 Pro 64-bit Edition + Windows 11 Pro Licence - Dutch / English / French / German / Italian Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English / Portuguese
Software Included - Glance by Mirametrix
MISCELLANEOUS Dell Precision 3571 Lenovo ThinkPad L15 Gen 3 (21C7)
Included Accessories USB-C power adapter USB-C 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, smart card 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 ExpressCharge Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards FIPS 140-2 RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified
Carbon Footprint - 236 kg carbon emissions
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
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