Dell XPS 15 9520 vs. Lenovo ThinkPad T14 Gen 4 (21K3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell XPS 15 9520 and Lenovo ThinkPad T14 Gen 4 (21K3). 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 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 T14 Gen 4 (21K3) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21K3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

powerful processor options

good battery life

impressive security features

heavier than competitors

average display brightness

limited color options

pricey base model

Laptop Comparison and Tests

Difference between Dell XPS 15 9520 and Lenovo ThinkPad T14 Gen 4 (21K3)
85 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell XPS 15 9520 vs. Lenovo ThinkPad T14 Gen 4 (21K3) Comparison Chart
DESIGN AND DIMENSIONS Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 34.44 cm x 23.014 cm x 1.854 cm 31.77 cm x 22.69 cm x 1.79 cm
Weight 1.92 kg 1.39 kg
Case Material - Carbon fibre hybrid (top), polyphenylene sulfide (bottom)
Colour Silver Thunder black
DISPLAY Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
Screen Size (Type) 15.6" 14" - IPS
Screen Resolution 1920 x 1200 (Full HD Plus) 1920 x 1200 (WUXGA)
Pixel Density (ppi) 145 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 500 cd/m² 300 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 T14 Gen 4 (21K3)
CPU Intel Core i7 (12th Gen) 12700H AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 4.7 GHz 4.9 GHz
Number of Cores 14-core 6-core
Cache 24 MB L3 - 16 MB
Features Intel Smart Cache Integrated memory controller
MEMORY Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
RAM 16 GB (2 x 8 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR5 SDRAM LPDDR5X SDRAM
Speed 4800 MHz 6400 MHz
Rated Speed 4800 MHz 6400 MHz
Form Factor SO-DIMM 262-pin -
Slots Qty 2 -
Empty Slots 0 -
STORAGE Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 Ti AMD Radeon 740M
Max Monitors Supported - 3 external monitor(s)
Video Memory 4 GB GDDR6 SDRAM -
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, 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 ALC3281 Realtek ALC3287
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
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 Killer Wi-Fi 6E AX1675 MediaTek RZ616
Network Interface - Gigabit Ethernet
Ethernet Controller - Realtek RTL8111EPV
Compliant Standards - DASH
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
Technology 6-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 86 Wh 52.5 Wh
AC ADAPTER Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
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 T14 Gen 4 (21K3)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
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 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) -
SOFTWARE Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
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) Glance by Mirametrix
MISCELLANEOUS Dell XPS 15 9520 Lenovo ThinkPad T14 Gen 4 (21K3)
Included Accessories USB-C power adapter USB-C power adapter
Security Fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
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 - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Extended warranty - 1 year - on-site - response time: next business day
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