Dell Inspiron 15 3510 vs. Lenovo ThinkPad X1 Nano Gen 2 (21E9)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad X1 Nano Gen 2 (21E9). 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 X1 Nano Gen 2 (21E9) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Nano Gen 2 (21E9) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-lightweight design

impressive battery life

robust security features

sharp display quality

powerful intel processor

limited port selection

higher price point

no touchscreen option

average speaker quality

Laptop Comparison and Tests

Difference between Dell Inspiron 15 3510 and Lenovo ThinkPad X1 Nano Gen 2 (21E9)
69 % - Design
63 % - Display
65 % - Performance
65 % - Connectivity
75 % - Battery
81 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Inspiron 15 3510 vs. Lenovo ThinkPad X1 Nano Gen 2 (21E9) Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.89 cm 29.33 cm x 20.81 cm x 1.48 cm
Weight 1.65 kg 991.5 g
Case Material - Carbon fibre (top), magnesium alloy (bottom)
Colour Platinum silver Black weave
DISPLAY Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Screen Size (Type) 15.6" - TN 13" - IPS
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 2160 x 1350 (2K)
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 450 cd/m²
Colour Gamut 45% NTSC 100% sRGB
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-glare, anti-reflective, anti-smudge, 170° viewing angle, Low Power, Add-on Film Touch
PROCESSOR Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
CPU Intel Celeron N4020 / 1.1 GHz Intel Core i7 (12th Gen) 1270P / 2.2 GHz
Max Turbo Speed 2.8 GHz 4.8 GHz
Number of Cores Dual-Core 12-core
Cache 4 MB 18 MB
Features Intel Burst Technology Integrated memory controller
MEMORY Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
RAM 4 GB (1 x 4 GB) 16 GB (provided memory is soldered)
Max RAM Supported 8 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2400 MHz 5200 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 X1 Nano Gen 2 (21E9)
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 - Kioxia
AUDIO & VIDEO Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Graphics Processor (GPU) Intel UHD Graphics 600 Intel Iris Xe Graphics
Max Monitors Supported - 2 external monitor(s)
Camera Yes - HD Yes - 1080p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera 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, microphone Stereo speakers, two tweeters, two woofers, four microphones
Codec Realtek ALC3204 Realtek ALC3306
Compliant Standards High Definition Audio High Definition Audio, Dolby Atmos, Dolby Voice
COMMUNICATIONS Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
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 Intel Wi-Fi 6E AX 211
Network Interface - Gigabit Ethernet
Features Single stream (1x1) -
BATTERY Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Technology 3-cell lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 41 Wh 49.5 Wh
AC ADAPTER Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
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 X1 Nano Gen 2 (21E9)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad
CONNECTIONS & EXPANSIONS Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Interfaces HDMI
2 x USB 3.2 Gen 1
USB 2.0
Headphone/microphone combo jack
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
LAN (on supplied adapter)
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) -
SOFTWARE Dell Inspiron 15 3510 Lenovo ThinkPad X1 Nano Gen 2 (21E9)
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 X1 Nano Gen 2 (21E9)
Included Accessories Power adapter Lenovo USB-C to Ethernet Adapter, USB-C slim power adapter
Security - Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Features - Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication
Compliant Standards - RoHS, TCG Certified
ENERGY STAR Certified Yes -
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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