Dell XPS 15 9520 vs. Lenovo ThinkPad L15 Gen 4 (21H3)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Dell XPS 15 9520 and Lenovo ThinkPad L15 Gen 4 (21H3). 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 XPS 15 9520 Review

Advantages and disadvantages of Dell XPS 15 9520 based on its technical characteristics, features, user experience, expert reviews and price level.

stunning 4k display

powerful intel performance

solid build quality

good battery life

advanced thermal design

high base price

heavier than competitors

no full-size usb port

limited color options

Lenovo ThinkPad L15 Gen 4 (21H3) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust connectivity options

supports fast charging

dedicated nvidia gpu

upgradeable ram and storage

solid build quality

average battery capacity

basic 250-nit display

limited cpu performance

no fingerprint reader

Laptop Comparison and Tests

Difference between Dell XPS 15 9520 and Lenovo ThinkPad L15 Gen 4 (21H3)
85 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
83 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Dell XPS 15 9520 vs. Lenovo ThinkPad L15 Gen 4 (21H3) Comparison Chart
DESIGN AND DIMENSIONS Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 34.44 cm x 23.014 cm x 1.854 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 1.92 kg 1.77 kg
Case Material - Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Silver Thunder black
DISPLAY Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Screen Size (Type) 15.6" 15.6" - IPS
Screen Resolution 1920 x 1200 (Full HD Plus) 1920 x 1080 (Full HD)
Pixel Density (ppi) 145 -
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 500 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, Infinity Edge display, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.18 mm pixel pitch, Eyesafe technology Anti-glare
PROCESSOR Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
CPU Intel Core i7 (12th Gen) 12700H Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.7 GHz 4.6 GHz
Number of Cores 14-core 10-core
Cache 24 MB 12 MB
Features Intel Smart Cache Integrated memory controller
MEMORY Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
RAM 16 GB (2 x 8 GB) 16 GB (1 x 16 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 XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory 4 GB GDDR6 SDRAM -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1280 x 720 (standard), 576 x 360 (infrared) Yes - 1080p
Resolution 0.9 Megapixel (standard), 0.2 Megapixel (infrared) -
Camera Features IR/RGB camera, 78.5 degrees Privacy shutter, Windows Hello, fixed focus, hybrid FHD/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 ALC3281 Realtek ALC3287
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio
Audio Features - Input: Dolby Voice, far-field
COMMUNICATIONS Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Killer Wi-Fi 6E AX1675 Intel Wi-Fi 6 AX 201 - M.2 Card
Network Interface - Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Technology 6-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 86 Wh 57 Wh
AC ADAPTER Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 130 Watt, 20 V, 6.5 A 65 Watt
INPUT Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Type Keyboard, touchpad 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 XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Interfaces USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
2 x USB4 Gen 3x2 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery)
Headphone/microphone combo jack
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Operating System (OS) Windows 11 Pro - Dutch / English / French / German / Italian Windows 11 Pro - English
Software Included Microsoft Office (30 days trial, excludes office licence), McAfee Small Business Security (30 days trial) -
MISCELLANEOUS Dell XPS 15 9520 Lenovo ThinkPad L15 Gen 4 (21H3)
Included Accessories USB-C power adapter USB-C power adapter
Security Fingerprint 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 - Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
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 - Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site - response time: next business day
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