Dell 17R 7720 vs Dell 15R 5521

Share  

Summary

Processor Family

N/A
Intel Core i5
(3rd Gen)
Intel Core Ultra 7

Clock Speed

2.3 Ghz
1.8 Ghz
4.8 Ghz

Capacity

8 GB RAM
4 GB RAM
32 GB RAM

RAM Features

DDR3
DDR3
LPDDR5X

Hard Disk

1 TB HDD
500 GB HDD
1 TB SSD

Hard Disk Features

SATA
5400 RPM
SATA
5400 RPM
N/A

Display Size

17.3 inches
(43.94 cm)
15.6 inches
(39.62 cm)
16 inches
(40.64 cm)

Display Features

HD Clear Super View LED Backlit Display
HD LED True Life Display
Anti-Reflective

OS

Windows 7
Ubuntu
Windows 11

Type

(64-bit) OS
(64-bit) OS
(64-bit) OS

User Ratings

N/A
4/5
(24 ratings)
N/A

Compare Prices

Not Available in any store
Not Available in any store
₹242,990
@ Amazon

General

Brand

Dell
Dell
Samsung

Model

17R 7720
15R 5521
NP960XJG-KG4

Operating System

Windows 7 Home Premium
Ubuntu
Windows 11 Home Basic

Operating System Type

64-bit
64-bit
64-bit

Performance

Processor

Intel Corei7-3610QM
Intel Core i5-3337U

3rd Gen
Intel Core Ultra X7 358H

Max Clock Speed

2.3 Ghz
1.8 Ghz
4.8 GHz

Chipset

Intel HM77 Express
Intel HM75 Express
N/A

Number of Cores

N/A
N/A
16

Cache

N/A
N/A
18 MB

Graphic Processor

NVIDIA GeForce GT 650M
AMD Radeon HD 8730M
Intel Arc B390

Graphics Memory

2 GB
2 GB
N/A

NPU

N/A
N/A
Intel AI Boost up to 50 TOPS

Design

Thickness

30.5 Millimeter thickness
25.3 Millimeter thickness
11.9 mm (Slim)

Dimensions (WxDxH)

416 x 274 x 30.5  mm
376 x 259 x 25.3  mm
356.9 x 248 x 11.9  mm

Weight

3.3 Kg weight
2.3 Kg weight
1.59 Kg

Colors

Silver Black
Moon Silver
Gray

Display

Display Size

17.3 Inches  (43.94 cm)
15.6 Inches  (39.62 cm)
16 Inches  (40.64 cm)

Display Resolution

1920 x 1080 Pixels
1366 x 768 Pixels
2880 x 1800 Pixels

Pixel Density

127 ppi
100 ppi
212 ppi

Display Type

LED
LED
AMOLED

Display Features

HD Clear Super View LED Backlit Display
HD LED True Life Display
Anti-Reflective

Touch Screen Display

No
No
Yes

Refresh Rate

N/A
N/A
120 Hz

Aspect Ratio

N/A
N/A
16:10

Brightness

N/A
N/A
1000 nits

HDR Support

N/A
N/A
Yes

Battery

Battery Capacity

N/A
N/A
78.07 WHrs

Battery Type

Li-Ion
Li-Ion
Li-Ion

Battery Life

6 Hrs
3 Hrs
N/A

Battery Cell

6 Cell
6 Cell
N/A

Fast Charging Support

N/A
N/A
Yes

Power Supply

90 W AC Adapter W
65 W AC Adapter W
65 W

Storage

HDD Capacity

1 TB
500 GB
N/A

HDD Speed(RPM)

5400 RPM
5400 RPM
N/A

HDD type

SATA
SATA
N/A

SSD Capacity

N/A
N/A
1 TB

SSD Interface

N/A
N/A
NVMe

Ports

HDMI Ports

N/A
N/A
Yes (HDMI 2.1)

USB 3.0 slots

3
2
N/A

USB 2.0 slots

N/A
2
N/A

USB Type C

N/A
N/A
2

Thunderbolt Port

N/A
N/A
2 x Thunderbolt 4

SD Card Reader

Yes
Yes
No

Ethernet Ports

1
N/A
N/A

Headphone Jack

Yes
Yes
Yes

Microphone Jack

Yes
Yes
Yes

VGA Port

Yes
N/A
N/A

Memory

Capacity

8 GB
4 GB
32 GB

RAM Type

DDR3
DDR3
LPDDR5X

Memory Slots

2
2
N/A

Expandable Memory

8 GB
8 GB
N/A

Memory Layout

2 x 4 Gigabyte
1 x 4 Gigabyte
N/A

Networking

Wireless LAN

802.11 b/g/n
802.11 b/g/n
802.11 b/g/n/be

Wi-Fi Version

4
4
7

Bluetooth

Yes
Yes
Yes

Bluetooth Version

4.0
4.0
5.4

Multimedia

Web-cam

Yes
Yes
Yes

Web-cam Resolution

1.0 MP
1.0 MP
2 MP

Secondary cam(Rear-facing)

No
No
N/A

Speakers

Skullcandy Speakers
Stereo Speakers
Yes

Sound Technologies

Waves MaxxAudio 4
Waves MaxxAudio 4
Dolby Atmos

In-built Microphone

Yes
Yes
Yes

Microphone Type

Digital Microphone
N/A
Dual Array Digital Mic

Peripherals

Optical Drive

Super Multi Dual Layer Drive
Tray-load DVD RW Drive
N/A

Drive Type

N/A
DVD Writer
N/A

Pointing Device

Touchpad with Multi-touch Gesture Support
Touchpad
Haptic Touchpad

Keyboard

Chiclet Keyboard
Standard Keyboard
N/A

Backlit Keyboard

N/A
N/A
Yes Pro keyboard with Backlit

Fingerprint Scanner

N/A
N/A
Yes

Others

Warranty

1 Year
1 Year
1 Year

Lockport

N/A
N/A
No

Sales Package

Laptop Battery AC Adapter User Guide
Laptop Battery AC Adapter User Guide
N/A

Compare Prices

Not Available in any store
Not Available in any store
₹242,990
@ Amazon
Laptops› Compare Laptops› Dell 17R 7720 vs Dell 15R 5521 Laptop