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Samsung Galaxy A31 vs Samsung Galaxy M31 vs Oppo Reno 2Z

Key Feature Comparison

7

Samsung Galaxy A31

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6.9

Samsung Galaxy M31

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6.9

OPPO Reno 2Z

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At a Glance

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Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

MediaTek Helio P65, Mali-G52

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Octa core (2.2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)

MediaTek Helio P90, PowerVR GM9446

5000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

4000 mAh

Li-Polymer, VOOC, v3.0

6.4 inches

411 ppi, FHD

6.4 inches

403 ppi, FHD

6.5 inches

396 ppi, FHD

Quad, 48MP + 8MP + 5MP + 5MP

1920x1080 @ 30 fps

Quad, 64MP + 8MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

Quad, 48MP + 8MP + 2MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.4 inches
6.4 inches
6.5 inches

Screen Type

Super AMOLED
Super AMOLED
AMOLED

Screen Resolution

1080 x 2400 pixels
1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

411 ppi
403 ppi
396 ppi

Aspect Ratio

20:09
19.5:9
19.5:9

Screen to Body Ratio

84.92%
83.92%
91.10%

Screen Design

Waterdrop notch
Regular notch
Bezel-less

Screen Quality

FHD
FHD
FHD

Screen Protection

-
Gorilla Glass 3
Gorilla Glass 5

Phone Variants

6GB 128GB
6GB 64GB, 8GB 128GB, 6GB 128GB
8GB 256GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 256 GB

OTG Support

Yes
Yes
Yes

Storage Type

-
UFS 2.1
UFS 2.1

Sensors

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

Operating System

Android v10 (Q)
Android v10 (Q)
Android v9.0 (Pie)

GPU

Mali-G52
Mali-G72 MP3
PowerVR GM9446

Chipset

MediaTek Helio P65
Samsung Exynos 9 Octa 9611
MediaTek Helio P90

CPU

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)

Custom User Interface

Samsung One UI
Samsung One UI
ColorOS

Clock Speed

2 GHz
2.3 GHz
2.2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
10 nm
12 nm

Battery Capacity

5000 mAh
6000 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-Polymer

Charger Type

Fast, 15W
Fast, 15W
VOOC, v3.0

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

24-Mar-20
25-Feb-20
5-Aug-19

Market Status

Available
Available
Available

Brand

Samsung
Samsung
OPPO

Model Number

SM-A315FZB1INS/SM-A315FZBWINS
SM-M315FZKDINS
CPH1945

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 17,999
Rs. 15,999
Rs. 27,490

GPS

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

Audio Features

Dolby Atmos
Dolby Atmos
Dolby Atmos

NFC

Yes
No
No

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
Yes
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

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

Wi-Fi

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

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

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

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
4G Bands: TD-LTE 2600(band 38) / 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 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
4G Bands: TD-LTE 2600(band 38) / 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...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Setup

Single, 20MP
Single, 32MP
Single, 16MP

Front Camera 1 Resolution

20 MP
32 MP
16 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.0 Primary Camera
f/2.0, Wide Angle Primary Camera

Front Aperture

f/2.2
f/2.0
f/2.0

Front Flash

No
No
-

Front Camera Features

-
HDR
LED flash, HDR

Front Camera 1 Lens

-
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
3.1" sensor size, 1 micrometre pixel size

Front Sensor

-
Exmor RS
-

Weight

185 grams
191 grams
195 grams

Colors

Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Black, Blue
Sky White, Luminous Black

Dimensions

159.3 x 73.1 x 8.6 mm
159.2 x 75.1 x 8.9 mm
161.8 x 75.8 x 8.7 mm

SAR Value

Head: 1.13 W/kg
Head: 0.383 W/kg
Head: 1.183 W/kg, Body: 0.780 W/kg

Build

-
Back: Plastic
Back: Gorilla Glass

OIS

No
No
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, Dual LED Flash

Rear Video Recording

1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
10 x Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 48MP + 8MP + 5MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 48MP + 8MP + 2MP + 2MP

Rear Camera 1 Resolution

48 MP
64 MP
48 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.7 (upto 10x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
4.73 mm focal length, 2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

8 MP
8 MP
8 MP

Rear Camera 2 Type

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

Rear Camera 3 Resolution

5 MP
5 MP
2 MP

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4 Camera

Rear Camera 4 Resolution

5 MP
5 MP
2 MP

Rear Camera 4 Type

f/2.4, Depth Camera
f/2.2, Depth Camera
f/2.4, Depth Camera

Rear Aperture

f/2.0
f/1.8
f/1.7

Rear Camera 2 Lens

-
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
1.66 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

Rear Camera 3 Lens

-
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
1.77 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size

Rear Sensor

-
ISOCELL Plus
Exmor-RS CMOS Sensor

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear
On-Screen

Fingerprint Scanner Type

Optical
-
Optical

Face Unlock

Yes
Yes
Yes

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