Dell Inspiron 15 3510 vs. Lenovo ThinkPad Z13 Gen 1 (21D3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad Z13 Gen 1 (21D3). 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 Inspiron 15 3510 Review

Advantages and disadvantages of Dell Inspiron 15 3510 based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

decent battery life

lightweight design

solid build quality

simple user interface

average display quality

limited performance capacity

minimal connectivity options

basic graphics capability

Lenovo ThinkPad Z13 Gen 1 (21D3) Review

Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

powerful amd processor

bright oled display

eco-friendly materials

solid security features

higher price point

limited port selection

no dedicated gpu

average battery life

Laptop Comparison and Tests

Difference between Dell Inspiron 15 3510 and Lenovo ThinkPad Z13 Gen 1 (21D3)
69 % - Design
63 % - Display
65 % - Performance
65 % - Connectivity
75 % - Battery
81 % - Design
84 % - Display
80 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Inspiron 15 3510 vs. Lenovo ThinkPad Z13 Gen 1 (21D3) Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.89 cm 29.44 cm x 19.96 cm x 1.399 cm
Weight 1.65 kg 1.26 kg
Case Material - Aluminium (top), aluminium (bottom)
Colour Platinum silver Black (bottom), arctic grey (top)
DISPLAY Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Screen Size (Type) 15.6" - TN 13.3" OLED
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 2880 x 1800 (2.8K)
Pixel Density (ppi) 100 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness 220 cd/m² 500 cd/m²
Colour Gamut 45% NTSC 100% DCI-P3
Features Anti-glare, 25 ms response rate, Narrow Border Display, 0.252 mm pixel pitch, ±40° horizontal viewing angle, +10/-30 vertical viewing angle Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio
PROCESSOR Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
CPU Intel Celeron N4020 / 1.1 GHz AMD Ryzen 7 Pro 6850U / 2.7 GHz
Max Turbo Speed 2.8 GHz 4.7 GHz
Number of Cores Dual-Core 8-core
Cache 4 MB L3 - 16 MB
Features Intel Burst Technology Integrated memory controller
MEMORY Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
RAM 4 GB (1 x 4 GB) 32 GB (provided memory is soldered)
Max RAM Supported 8 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2400 MHz 6400 MHz
Rated Speed 2400 MHz 6400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory
AUDIO & VIDEO Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Graphics Processor (GPU) Intel UHD Graphics 600 AMD Radeon 680M
Max Monitors Supported - 2 external monitor(s)
Camera Yes - HD Yes - 1080p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera Windows Hello, fixed focus, e-camera shutter, Discrete IR
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec Realtek ALC3204 Realtek ALC3306
Compliant Standards High Definition Audio High Definition Audio, Dolby Atmos
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wireless-AC 9462 - M.2 2230 Qualcomm NFA725A
Network Interface - Gigabit Ethernet
Features Single stream (1x1) -
BATTERY Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Technology 3-cell lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 41 Wh 51.5 Wh
AC ADAPTER Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 19.5 V, 3.34 A 65 Watt
INPUT Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features - Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad
CONNECTIONS & EXPANSIONS Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Interfaces HDMI
2 x USB 3.2 Gen 1
USB 2.0
Headphone/microphone combo jack
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN (on supplied adapter)
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) -
SOFTWARE Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Operating System (OS) Windows 11 Home Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) -
MISCELLANEOUS Dell Inspiron 15 3510 Lenovo ThinkPad Z13 Gen 1 (21D3)
Included Accessories Power adapter USB-C power adapter, Lenovo USB-C to Ethernet Adapter
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader
Features - Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards - RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0
ENERGY STAR Certified Yes -
Carbon Footprint - 216 kg carbon emissions (EU)
Max Operating Temperature 40 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
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