Nokia 3.1 vs Oppo A31

Compare recorded specifications, size and practical differences.

Nokia 3.1

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Oppo A31

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Weight3.1: 41.7 g lighter3.1: 138.3 g · A31: 180 g
Width3.1: 6.8 mm narrower3.1: 68.7 mm · A31: 75.5 mm
Screen diagonal3.1: 1.3 in smaller diagonal3.1: 5.2 in · A31: 6.5 in
Rear camera layoutSingle / Triple3.1: Single · A31: Triple
Height3.1: 17.6 mm shorter3.1: 146.3 mm · A31: 163.9 mm
Release year2018 / 20203.1: 2018 · A31: 2020

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front

Side

1. 3.1
Height
146.3 mm
Width
68.7 mm
Depth
8.7 mm

Weight
138.3 g
2. A31
Height
163.9 mm
Width
75.5 mm
Depth
8.3 mm

Weight
180 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials

Everyday essentials
Specification	3.1	A31
Dimensions (HxWxD)	146.3 Х 68.7 Х 8.7 mm	163.9 Х 75.5 Х 8.3 mm
Weight	138.3 g	180 g
Technology	IPS LCD	IPS LCD
Screen size	5.2" inch	6.5" inch
Screen resolution	720 x 1440 px	720 x 1600 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 3 RAM 16 GB 2 GB RAM	128GB 4GB RAM
Memory card support	microSD up to 256 GB	microSDXC (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	2990 mAh Non-removable Li-Ion	4230 mAh Non-removable Li-Po
Operating system OS	Android 8.0 (Oreo) upgradable to Android 9.0 (Pie); Android One	Android 9.0 (Pie); ColorOS 6.1
Chipset	Mediatek MT6750 (28 nm)	Mediatek MT6765V/CB Helio P35 (12nm)
NFC	Yes (APAC & EMEA only)	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	3.1	A31
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	69.8 cm2	102.0 cm2
Screen format	18:9 (height:width)	20:9 (height:width)
Screen to body ratio	69.4%	82.4%
PPI /points per inch/	310 PPI	270 PPI
Screen protection	Corning Gorilla Glass (unspecified version)	Unknown

Camera and Video

Camera and Video
Specification	3.1	A31
Rear camera, main	13 MP Single	12 MP Triple
Camera specs	13 MP f/2.0 AF	12 MP f/1.8 (wide) PDAF -2 MP f/2.4 27mm (macro) 1/5.0'' 1.75µm -2 MP (depth)
Functions	HDR	HDR
Video	720p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	8 MP Single
Specifications	8 MP f/2.0	8 MP f/2.0

Performance

Performance
Specification	3.1	A31
Processor CPU	Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU	Mali-T860MP2	PowerVR GE8320
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	40125	Unknown
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	105221

General specs

General specs
Specification	3.1	A31
Release date	2018 May	2020 February 13
Colors	Blue/Copper Black/Chrome White/Iron	Fantasy White Mystery Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	150 EUR	180 EUR
Battery life	Talking time- Up to 18 h (3G) Music play - Up to 84 h	Unknown
Body build	Front glass aluminum frame plastic back	Glass front plastic back plastic frame

Communication and Connectivity

Communication and Connectivity
Specification	3.1	A31
SIM card	Dual SIM (Nano-SIM dual stand-by)	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - India -3G - HSDPA 850 / 900 / 2100 - APAC EMEA India HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM NAM -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 20(800) 38(2600) 40(2300) - APAC EMEA LTE band 1(2100) 2(1900) 4(1700/2100) 12(700) 17(700) 28(700) 40(2300) - LATAM NAM LTE band 1(2100) 40(2300) 41(2500) - India	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n dual-band WiFi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS GLONASS	Yes with A-GPS BDS
USB	microUSB 2.0 USB On-The-Go	microUSB 2.0 USB On-The-Go
Bluetooth	4.2 A2DP LE	5.0 A2DP LE
Harmful irradiation	SAR EU - 0.64 W/kg (head) 1.79 W/kg (body)	Unknown

Music and Audio

Music and Audio
Specification	3.1	A31
Radio	FM radio	FM radio
Others	Unknown	480 nits typ. brightness

Other features

Other features
Specification	3.1	A31
Dop	Sensors Accelerometer gyro proximity compass	Sensors Fingerprint (rear-mounted) accelerometer proximity compass