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Dell Inspiron 15R 5521 Laptop Vs. Lenovo Essential B490 Laptop - Comparison

Comparison of Dell Inspiron 15R 5521 Laptop (3rd Gen Ci3/ 4GB/ 500GB/ Win8) and Lenovo Essential B490 (59-381813) Laptop (3rd Gen Ci3/ 4GB/ 500GB/ DOS). Compare based on Processor, display, RAM, Storage and other features here.

This page was last updated on 10, June 2026

Product Name Dell Inspiron 15R 5521 Laptop (3rd Gen Ci3/ 4GB/ 500GB/ Win8) Lenovo Essential B490 (59-381813) Laptop (3rd Gen Ci3/ 4GB/ 500GB/ DOS)
Product Image Dell Inspiron 15R 5521 Laptop (3rd Gen Ci3/ 4GB/ 500GB/ Win8) Lenovo Essential B490 (59-381813) Laptop (3rd Gen Ci3/ 4GB/ 500GB/ DOS)
Specs score 61.65 59.75
Price Rs.0 Rs.0
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Manufacturer Dell Lenovo
Released On
Weight (Grams) 2.2 kg 2.2 kg
Colors
Dimensions
Display
Screen Size 15.6 inch 14 inch
Touchscreen no no
Touchscreen Type HD LED Backlit Display with True Life HD LED Display
Resolution 1366 x 768 Pixel 1366 x 768 Pixel
Refresh Rate
Software
Operating System Windows 8 Free DOS
Operating System Orchitecture 64 bit
Processor
Processor Intel Core i3 (3rd Gen) Intel Core i3 (3rd Gen)
Processor Maker Intel Intel
Clock Speed 1.8 GHz 2.4 GHz
System Architecture 64 bit 64 bit
Cache 3 MB 3 MB
GPU Intel HD Graphics 4000 Intel HD Graphics 4000
Graphics Memory
Graphics Memory Type
Memory
RAM 4 GB DDR3 4 GB DDR3
Memory Slots 2 (Unused Slot - 0)
Expandable Memory Upto 16 GB Upto 8 GB
Internal Storage (HDD) 500 GB 500 GB
Internal Storage (SSD)
Storage Interface SATA SATA
Multimedia
Web Cam 1.0 Megapixel HD Webcam 0.3 Megapixel
Speakers Yes Yes
Sound Waves MaxxAudio 4, Stereo Speakers Stereo Speakers, Dolby Enhanced Audio
Internal Mic Digital Microphone
Microhone Jack yes yes
Headphone Jack yes yes
Connectivity
Fingerprint
WI-FI Yes IEEE 802.11n
Bluetooth v4.0 v4.0
Multi Card slot 8-in-1 Card Reader 4-in-1 Card Reader
Ethernet Yes 100/1000 Mbps LAN
USB 2 x USB 2.0, 2 x USB 3.0 2 x USB 2.0, 2 x USB 3.0
RJ45 LAN Port Yes Yes
HDMI Yes Yes
VGA Yes
Other Ports Headphone Jack
Battery
Battery backup Upto 4 hours Upto 3 hours
Fast Charging

Dell Inspiron 15R 5521 Laptop Vs. Lenovo Essential B490 Laptop - Comparison

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