Samsung Galaxy J4 vs Xiaomi Redmi 9 Prime

Key Specs

Battery
3000 mAh	5020 mAh
Display
5.5 inches (13.97 cm)	6.53 inches (16.59 cm)
Front Camera
5 MP	8 MP
Processor
Samsung Exynos 7 Quad 7570	MediaTek Helio G80
RAM
2 GB	4 GB
Rear Camera
13 MP	13 MP + 8 MP + 5 MP + 2 MP

Battery

Capacity
3000 mAh	5020 mAh
Quick Charging
-	Yes, Fast, 18W
Removable
Yes	No
TalkTime
Up to 20 Hours(3G)	-
Type
Li-ion	Li-Polymer
USB Type-C
No	Yes

Design

Build Material
Back: Plastic	Back: Plastic
Colours
Black, Blue, Gold	Space Blue, Mint Green, Sunrise Flare, Matte Black
Height
151.7 mm	163.3 mm
Thickness
8.1 mm	9.1 mm
Waterproof
-	Yes, Splash proof
Weight
175 grams	198 grams Below
Width
77.2 mm	77 mm

Display

Aspect Ratio
16:9	19.5:9
Bezel-less display
-	Yes with waterdrop notch
Brightness
-	400 nits
Display Type
Super AMOLED	IPS LCD
Pixel Density
267 ppi	395 ppi
Refresh Rate
-	60 Hz
Resolution
720x1280 px (HD)	1080x2340 px (FHD+)
Screen Protection
-	Corning Gorilla Glass v3
Screen Size
5.5 inches (13.97 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
71.04 %	83.06 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
No	-
Camera Setup
-	Single
Resolution
5 MP f/2.2, Primary Camera	8 MP f/2.0, Wide Angle, Primary Camera(27 mm focal length, 4.0" sensor size, 1.12µm pixel size)

Not sure which
mobile to buy?

General

Brand
Samsung	Xiaomi
Custom UI
-	MIUI
Launch Date
May 31, 2018	August 6, 2020
Operating System
Android v8.0 (Oreo)	Android v10 (Q)

Main Camera

Autofocus
Yes	Yes, Phase Detection autofocus
Camera Features
Digital Zoom Auto Flash Face detection Smile detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Single	Quad
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
4128 x 3096 Pixels	4128 x 3096 Pixels
OIS
No	-
Resolution
13 MP f/1.9, Wide Angle, Primary Camera(28 mm focal length)	13 MP f/2.2, Wide Angle, Primary Camera(28 mm focal length, 3.1" sensor size, 1.12µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)5 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera
Sensor
CMOS image sensor	-
Settings
Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
1920x1080 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
FM Radio
-	Yes
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v4.2	Yes, v5.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
Head: 0.478 W/kg	Head: 0.854 W/kg, Body: 0.417 W/kg
SIM 1
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 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	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 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	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Micro, SIM2: Micro	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging, microUSB 2.0	Mass storage device, USB charging
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Wi-Fi Calling
-	Yes
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Quad core, 1.4 GHz, Cortex A53	Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
Samsung Exynos 7 Quad 7570	MediaTek Helio G80
Fabrication
14 nm	12 nm
Graphics
Mali-T720 MP1	Mali-G52
RAM
2 GB	4 GB
RAM Type
LPDDR3	LPDDR4X
RAM type
LPDDR3	LPDDR4X

Sensors

Fingerprint Sensor
No	Yes
Fingerprint Sensor Position
-	Rear
Other Sensors
Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer, Compass

Storage

Expandable Memory
Yes, Up to 256 GB	Yes, Up to 512 GB
Internal Memory
16 GB	64 GB
Storage Type
eMMC 5.0	eMMC 5.1
USB OTG
-	Yes
User Available Storage
Up to 9.6 GB	-