Oppo A55s vs Samsung Galaxy M31 Prime

Oppo A55s

Samsung Galaxy M31 Prime

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 5, 8, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
5G network

5G band 1, 28, 41, 77, 78

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A, Cat10 452 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM

Dual SIM (Nano-SIM, dual stand-by)

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Height

163.9 mm

159.2 mm
Width

75.7 mm

75.1 mm
Thickness

8.4 mm

8.9 mm
Weight

186 g

191 g
Colors

Black, Blue, Gold

Black, Iceberg Blue, Ocean Blue

Display
Display type

IPS LCD

Super AMOLED
Physical size

6.5 inches

6.4 inches
Resolution

720 x 1600 pixels

1080 x 2340 pixels
Pixel density

270 ppi

403 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

2.5D curved glass screen, Corning Gorilla Glass 3
Display features

480 nits (peak)

420 nits (typ), Infinity-O Display

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 13 MP, f/2.2 , 80˚ , 25 mm, 1/3.06" , 1.12 µm

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
(macro) , 2 MP, f/2.4

(ultrawide) , 8 MP, f/2.2 , 123˚ , 1/4.0" , 1.12 µm
(depth) , 2 MP, f/2.4

(macro) , 5 MP, f/2.4
(depth) , 5 MP, f/2.2
Primary camera resolution

4160 x 3120 pixels

9280 x 6944 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0

(wide) , 32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

3264 x 2448 pixels

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Selfie camera features

Face unlock, face detection, HDR

Face unlock, HDR
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

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Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

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NFC

No

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

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