Dell Inspiron 15R 3521 Laptop
|
Lenovo Thinkpad T470s (20HF003QUS) Laptop
₹181,557
(Discontinued)
|
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Dell 15R 3521 vs Lenovo T470s (20HF003QUS)
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Lenovo Thinkpad T470s (20HF003QUS) Laptop (Core i7 7th Gen/12 GB/512 GB SSD/Windows 10)
₹181,557
(Discontinued)
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Summary
Processor Family
|
Intel Core i3
(3rd Gen)
|
Intel Core i7
(7th Gen)
|
Clock Speed
|
1.8 Ghz
|
2.8 Ghz
|
Capacity
|
4 GB RAM
|
12 GB RAM
|
RAM Features
|
DDR3
1600 Mhz
|
DDR4
2400 Mhz
|
Hard Disk
|
500 GB HDD
|
512 GB SSD
|
Hard Disk Features
|
SATA
5400 RPM
|
N/A
|
Display Size
|
15.6 inches
(39.62 cm)
|
14 inches
(35.56 cm)
|
Display Features
|
HD LED Display
|
IPS WQHD LED Display
|
OS
|
Windows 8
|
Windows 10
|
Type
|
(64-bit) OS
|
(64-bit) OS
|
General Information
Brand
|
Dell
|
Lenovo
|
Model
|
15R 3521
|
T470s (20HF003QUS)
|
Thickness
|
31.3 Millimeter thickness
|
17.8 Millimeter thickness
|
Dimensions (WxDxH)
|
376 x 259 x 31.3 mm
|
330.2 x 226.1 x 17.8 mm
|
Weight
|
2.3 Kg weight
|
1.3 Kg weight (Light-weight)
|
Colors
|
Black
|
Silver
|
Operating System
|
Windows 8
|
Windows 10 Professional
|
Operating System Type
|
64-bit
|
64-bit
|
Display Details
Display Size
|
15.6 Inches (39.62 cm)
|
14 Inches (35.56 cm)
|
Display Resolution
|
1366 x 768 Pixels
|
2560 x 1440 Pixels
|
Pixel Density
|
100 ppi
|
210 ppi
|
Display Type
|
LED
|
LED
|
Display Features
|
HD LED Display
|
IPS WQHD LED Display
|
Display Touchscreen
|
No
|
No
|
Performance
Processor
|
Intel Core i3-3217U
3rd Gen |
Intel Core i7-7600U
7th Gen |
Clock-speed
|
1.8 Ghz
|
2.8 Ghz
|
Chipset
|
Intel HM76 Express
|
N/A
|
Graphic Processor
|
AMD Radeon 7670M
|
Intel HD 620
|
Graphics Memory
|
1 GB
|
N/A
|
Memory
Capacity
|
4 GB
|
12 GB
|
RAM type
|
DDR3
|
DDR4
|
RAM speed
|
1600 Mhz
|
2400 Mhz
|
Memory Slots
|
2 DIMM
|
2
|
Expandable Memory
|
8 GB
|
32 GB
|
Memory Layout
|
1 x 4 Gigabyte
|
1 x 4 1 x 8 Gigabyte
|
Storage
HDD Capacity
|
500 GB
|
N/A
|
HDD Speed(RPM)
|
5400 RPM
|
N/A
|
HDD type
|
SATA
|
N/A
|
SSD Capacity
|
N/A
|
512 GB
|
Battery
Battery Cell
|
4 Cell
|
3 Cell
|
Battery type
|
Li-Ion
|
Li-Ion
|
Power Supply
|
65 W AC Adapter W
|
23 W AC Adapter W
|
Battery Life
|
5 Hrs
|
N/A
|
Networking
Wireless LAN
|
802.11 b/g/n
|
802.11 a/b/g/n/ac
|
Wi-Fi Version
|
4
|
5
|
Bluetooth
|
Yes
|
Yes
|
Bluetooth Version
|
4.0
|
4.1
|
Other Networking Options
|
N/A
|
Multi Format SD Media Card Reader
|
Ports
USB 3.0 slots
|
2
|
2
|
USB 2.0 slots
|
2
|
1
|
SD Card Reader
|
Yes
|
Yes
|
Ethernet Ports
|
1
|
1
|
Headphone Jack
|
Yes
|
Yes
|
Microphone Jack
|
Yes
|
Yes
|
VGA Port
|
N/A
|
Yes
|
Multimedia
Web-cam
|
Yes
|
Yes
|
Web-cam Resolution
|
1.0 MP
|
N/A
|
Video Recording
|
N/A
|
720p HD
|
Secondary cam(Rear-facing)
|
No
|
No
|
Audio Solution
|
HD Audio Solution
|
N/A
|
Speakers
|
Stereo Speakers
|
Dual Speakers
|
Sound Technologies
|
Waves MaxxAudio4
|
N/A
|
In-built Microphone
|
Yes
|
Yes
|
Microphone Type
|
Digital Microphone
|
Internal Microphone
|
Peripherals
Optical Drive
|
DVD RW Drive with Dual Layer Support
|
N/A
|
Drive Type
|
DVD Writer
|
N/A
|
Pointing Device
|
Touchpad with Multi-touch Gesture Support
|
Touchpad with Multi-touch Gesture Support
|
Keyboard
|
Spill-resistant keyboard
|
Standard Notebook Keyboard
|
Fingerprint Scanner
|
No
|
Yes
|
Others
Warranty
|
1 Year
|
1 Year
|
Lockport
|
Yes
|
No
|
Sales Package
|
Laptop Battery AC Adapter User Guide
|
Laptop Battery AC Adapter User Guide
|