Dell Inspiron 15 3510 vs. Lenovo ThinkPad X240 (20AM)

Laptop Comparison, Reviews and Tests
Dell Inspiron 15 3510
Dell Inspiron 15 3510

Our Rating: 72 %

Lenovo ThinkPad X240 (20AM)
Lenovo ThinkPad X240 (20AM)

In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad X240 (20AM). 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

Laptop Comparison and Tests

Difference between Dell Inspiron 15 3510 and Lenovo ThinkPad X240 (20AM)
69 % - Design
63 % - Display
65 % - Performance
65 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Inspiron 15 3510 vs. Lenovo ThinkPad X240 (20AM) Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.89 cm 30.55 cm x 20.85 cm x 1.99 cm
Weight 1.65 kg 1.47 kg
Case Material - Glass-fibre reinforced plastic
Colour Platinum silver -
DISPLAY Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Screen Size (Type) 15.6" - TN 12.5"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 1366 x 768 (HD)
Pixel Density (ppi) 100 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness 220 cd/m² -
Colour Gamut 45% NTSC -
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
PROCESSOR Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
CPU Intel Celeron N4020 / 1.1 GHz Intel Core i3 (4th Gen) 4010U / 1.7 GHz
Max Turbo Speed 2.8 GHz -
Number of Cores Dual-Core Dual-Core
Cache 4 MB 3 MB
64-bit Computing - Yes
Features Intel Burst Technology Integrated memory controller
MEMORY Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
RAM 4 GB (1 x 4 GB) 2 GB (1 x 2 GB)
Max RAM Supported 8 GB 8 GB
RAM Type DDR4 SDRAM DDR3L SDRAM
Speed 2400 MHz 1600 MHz / PC3L-12800
Rated Speed 2400 MHz 1600 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 204-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) 500 GB HDD SATA 6Gb/s / 7200 rpm
AUDIO & VIDEO Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Graphics Processor (GPU) Intel UHD Graphics 600 Intel HD Graphics 4400
Camera Yes - HD Yes - 720p
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera Face tracking
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, microphone Stereo speakers, two microphones
Codec Realtek ALC3204 Realtek ALC3232
Compliant Standards High Definition Audio High Definition Audio, Dolby Advanced Audio v2
COMMUNICATIONS Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11b/g/n, Bluetooth 4.0
Wireless Controller Intel Wireless-AC 9462 - M.2 2230 M.2 Card
Network Interface - Gigabit Ethernet
Ethernet Controller - Intel I218-V
Features Single stream (1x1) -
WWAN
Generation - WWAN
BATTERY Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Technology 3-cell lithium polymer 6-cell Lithium Ion
Battery Capacity (Size) 41 Wh 47 Wh
AC ADAPTER Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 19.5 V, 3.34 A 45 Watt
INPUT Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Features - Spill-resistant, multi-touch touchpad
CONNECTIONS & EXPANSIONS Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Interfaces HDMI
2 x USB 3.2 Gen 1
USB 2.0
Headphone/microphone combo jack
2 x USB 3.0
VGA
Mini DisplayPort
LAN
Dock
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Operating System (OS) Windows 11 Home Microsoft Windows 7 Professional 64-bit Edition - French
Software Included McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) -
MISCELLANEOUS Dell Inspiron 15 3510 Lenovo ThinkPad X240 (20AM)
Dockable - Yes
Included Accessories Power adapter Power adapter
Security - Trusted Platform Module (TPM 1.2) Security Chip
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features - Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, 1 USB 3.0 (Always On), MIL-STD-810G tested
Compliant Standards - RoHS, GREENGUARD
ENERGY STAR Certified Yes Yes
Max Operating Temperature 40 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 10 - 90% (non-condensing) -
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
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