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Lenovo ThinkPad E431 Laptop Vs. Dell Inspiron 15R 3521 Laptop - Comparison

Comparison of Lenovo ThinkPad E431 (62774XQ) Laptop (3rd Gen Ci5/ 4GB/ 500GB/ DOS/ 1GB Graph) and Dell Inspiron 15R 3521 Laptop (Core i5 3rd Gen/4 GB/1 TB/Windows 8/2 GB). Compare based on Processor, display, RAM, Storage and other features here.

This page was last updated on 10, June 2026

Product Name Lenovo ThinkPad E431 (62774XQ) Laptop (3rd Gen Ci5/ 4GB/ 500GB/ DOS/ 1GB Graph) Dell Inspiron 15R 3521 Laptop (Core i5 3rd Gen/4 GB/1 TB/Windows 8/2 GB)
Product Image Lenovo ThinkPad E431 (62774XQ) Laptop (3rd Gen Ci5/ 4GB/ 500GB/ DOS/ 1GB Graph) Dell Inspiron 15R 3521 Laptop (Core i5 3rd Gen/4 GB/1 TB/Windows 8/2 GB)
Specs score 67.45 62.80
Price Rs.0 Rs.0
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Manufacturer Lenovo Dell
Released On
Weight (Grams) 2.15 kg 2.3 Kg
Colors
Dimensions
Display
Screen Size 14 inch 15.6 Inches
Touchscreen no no
Touchscreen Type Anti-glare Display with LED Backlit LED
Resolution 1366 x 768 Pixel 1366 x 768 Pixels
Refresh Rate
Software
Operating System Free DOS Windows 8
Operating System Orchitecture 64
Processor
Processor Intel Core i5 (3rd Gen) Core i5 3rd Gen
Processor Maker Intel Intel
Clock Speed 2.6 GHz with Turbo Boost Upto 3.2 GHz 1.8 Ghz
System Architecture 64 bit
Cache 3 MB
GPU NVIDIA GeForce N14m-GL 710M Intel HD 4000
Graphics Memory 1 GB
Graphics Memory Type DDR3
Memory
RAM 4 GB DDR3 4 GB DDR3 (1600 Mhz)
Memory Slots 2 (Unused Slot - 0) 2 DIMM
Expandable Memory Upto 16 GB 8 GB
Internal Storage (HDD) 500 GB 1 TB
Internal Storage (SSD)
Storage Interface SATA SATA
Multimedia
Web Cam HD Webcam yes ,1.0 MP
Speakers Yes Stereo Speakers
Sound Stereo Speakers with Dolby Enhanced Audio Waves MaxxAudio 4
Internal Mic Dual Array Microphone yes
Microhone Jack yes yes
Headphone Jack yes yes
Connectivity
Fingerprint
WI-FI IEEE 802.11n 802.11 b/g/n
Bluetooth v4.0 4.0
Multi Card slot 4-in-1 Card Reader
Ethernet Gigabit LAN 10/100 BASE-T
USB 1 x USB 2.0 (with Powered Always ON), 2 x USB 3.0 2 x USB 2.0 2 x USB 3.0
RJ45 LAN Port Yes
HDMI Yes 1
VGA Yes no
Other Ports 1 x Headphone Out/Microphone-in Combo Jack
Battery
Battery backup Upto 6 hours 5 Hrs
Fast Charging

Lenovo ThinkPad E431 Laptop Vs. Dell Inspiron 15R 3521 Laptop - Comparison

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