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Samsung Galaxy J2 2017 vs Xiaomi Redmi K40 Pro

Key Feature Comparison

4.9

Samsung Galaxy J2 2017

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7.9

Xiaomi Redmi K40 Pro

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At a Glance

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Quad core, 1.3 GHz, Cortex A7

Samsung Exynos 3 Quad 3475, Mali-T720 MP1

Octa core (2.84 GHz, Single core, Kryo 680 + 2.42 GHz, Tri core, Kryo 680 + 1.8 GHz, Quad core, Kryo 680)

Qualcomm Snapdragon 888, Adreno 660

2000 mAh

Li-ion

4520 mAh

Li-Polymer, Fast, 33W

11.94 cm (4.7 inch)

234 ppi

16.94 cm (6.67 inch)

395 ppi, FHD

Single, 5MP

1280x720 @ 30 fps

Triple, 64MP + 8MP + 5MP

7680x4320 @ 30 fps, 3840x2160 @ 60 fps, 1920x1080 @ 120 fps

4G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

11.94 cm (4.7 inch)
16.94 cm (6.67 inch)

Screen Type

Super AMOLED
Super AMOLED

Screen Resolution

540 x 960 pixels
1080 x 2400 pixels

Pixel Density

234 ppi
395 ppi

Aspect Ratio

16:09
20:09

Screen to Body Ratio

64.51%
85.88%

Screen Protection

-
Gorilla Glass 5

Screen Design

-
Punch hole

Screen Refresh Rate

-
120 Hz

Screen Quality

-
FHD

Peak Brightness

-
1300 nits

Phone Variants

1GB 8GB
6GB 128GB

Expandable Storage

Yes
No

RAM Type

LPDDR3
LPDDR5

Storage Type

eMMC 4.5
UFS 3.1

Expandable Storage Capacity

Yes, 128 GB
-

OTG Support

Yes
-

Sensors

Proximity sensor, Accelerometer
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v5.4 (Lollipop)
Android v11

GPU

Mali-T720 MP1
Adreno 660

Chipset

Samsung Exynos 3 Quad 3475
Qualcomm Snapdragon 888

CPU

Quad core, 1.3 GHz, Cortex A7
Octa core (2.84 GHz, Single core, Kryo 680 + 2.42 GHz, Tri core, Kryo 680 + 1.8 GHz, Quad core, Kryo 680)

Clock Speed

1.3 GHz
2.84 GHz

Process Technology

28 nm
5 nm

Custom User Interface

-
MIUI

Architecture

-
64 bit

Battery Capacity

2000 mAh
4520 mAh

Battery Removable

No
No

Battery Type

Li-ion
Li-Polymer

USB Type-C

No
Yes

Charger Type

-
Fast, 33W

Fast Charging

-
Yes

Charging Time

-
100 % in 52 minutes

Announced On

5-Oct-17
25-Feb-21

Market Status

Available
Launched Globally

Brand

Samsung
Xiaomi

Price Status

Confirmed
Expected

Price

Rs. 6,000
Rs. 31,490

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

NFC

No
Yes

Network Support

4G
5G

Bluetooth

Yes
Yes

FM Radio

Yes
No

3.5mm Audio Jack

Yes
No

SIM Size

SIM1: Micro, SIM2: Micro
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz

Bluetooth Type

v4.1
v5.2

Audio Jack

3.5 mm
USB Type-C

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

SIM 1 Bands

4G Bands: TD-LTE 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28, TDD N38 / N40 / N41 / N77 / N78, 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(b...

SIM 2 Bands

4G Bands: TD-LTE 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28, TDD N38 / N40 / N41 / N77 / N78, 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(b...

Audio Features

-
Yes

VoLTE

-
Yes

Weight

130 grams
196 grams

Colors

Black, Gold
Glossy Black, Icy White, Dreamland

Build

Back: Plastic
Glass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frame

Dimensions

136.5 x 69 x 8.4 mm
163.7 x 76.4 x 7.8 mm

OIS

No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

1280x720 @ 30 fps
7680x4320 @ 30 fps, 3840x2160 @ 60 fps, 1920x1080 @ 120 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Single, 5MP
Triple, 64MP + 8MP + 5MP

Rear Camera 1 Resolution

5 MP
64 MP

Rear Camera 1 Type

f/2.2 Primary Camera
f/1.89, Wide Angle Primary Camera

Rear Sensor

CMOS image sensor
Exmor-RS CMOS Sensor

Rear Aperture

f/2.2
f/1.89

Rear Camera 1 Lens

-
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

-
8 MP

Rear Camera 2 Type

-
f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 3 Resolution

-
5 MP

Rear Camera 3 Type

-
f/2.4, Macro Camera

Rear Camera 3 Lens

-
50 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size

Front Camera Setup

Single, 2MP
Single, 20MP

Front Camera 1 Resolution

2 MP
20 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.4, Wide Angle Primary Camera

Front Sensor

CMOS
-

Front Aperture

f/2.2
f/2.4

Front Video Recording

-
1920x1080 @ 30 fps

Front Camera Features

-
HDR

Front Camera 1 Lens

-
3.4" sensor size, 0.8 micrometre pixel size

Fingerprint Scanner

No
Yes

Fingerprint Scanner Position

-
Side

Face Unlock

-
Yes
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