OnePlus 8 vs Oppo A31

Compare recorded specifications, size and practical differences.

OnePlus 8

Replace 8

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Oppo A31

Replace 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.

Display technologyOLED versus LCD8: OLED · A31: LCD
Width8: 2.6 mm narrower8: 72.9 mm · A31: 75.5 mm
Memory variantsAt 128 GB storage8: 8 GB RAM · A31: 4 GB RAM
Height8: 3.7 mm shorter8: 160.2 mm · A31: 163.9 mm

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. 8
Height
160.2 mm
Width
72.9 mm
Depth
8 mm

Weight
180 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	8	A31
Dimensions (HxWxD)	160.2 Х 72.9 Х 8 mm	163.9 Х 75.5 Х 8.3 mm
Weight	180 g	180 g
Technology	Fluid AMOLED	IPS LCD
Screen size	6.55" inch	6.5" inch
Screen resolution	1080 x 2400 px	720 x 1600 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128GB 8GB RAM 256GB 12GB RAM	128GB 4GB RAM
Memory card support	No	microSDXC (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	4300 mAh Non-removable Li-Po	4230 mAh Non-removable Li-Po
Operating system OS	Android 10.0; OxygenOS 10.0	Android 9.0 (Pie); ColorOS 6.1
Chipset	Qualcomm SM8250 Snapdragon 865 (7 nm+)	Mediatek MT6765V/CB Helio P35 (12nm)
NFC	Yes	Unknown
Headphone jack	No	Yes

Display

Display
Specification	8	A31
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	103.6 cm2	102.0 cm2
Screen format	20:9 (height:width)	20:9 (height:width)
Screen to body ratio	88.7%	82.4%
PPI /points per inch/	402 PPI	270 PPI
Screen protection	Corning Gorilla Glass	Unknown

Camera and Video

Camera and Video
Specification	8	A31
Rear camera, main	48 MP Triple	12 MP Triple
Camera specs	48 MP f/1.8 25mm (wide) 1/2.0'' 0.8µm PDAF OIS -16 MP f/2.2 13mm (ultrawide) PDAF -2 MP f/2.4 (macro)	12 MP f/1.8 (wide) PDAF -2 MP f/2.4 27mm (macro) 1/5.0'' 1.75µm -2 MP (depth)
Functions	Auto-HDR	HDR
Video	1080p@30fps gyro-EIS	1080p@30fps
Front camera, selfie	16 MP Single	8 MP Single
Specifications	16 MP f/2.0 (wide) 1/3'' 1.0µm	8 MP f/2.0

Performance

Performance
Specification	8	A31
Processor CPU	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU	Adreno 650	PowerVR GE8320
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	105221

General specs

General specs
Specification	8	A31
Release date	2020 April 14	2020 February 13
Colors	Onyx Black Glacial Green Interstellar Glow Polar Silver	Fantasy White Mystery Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	700 EUR	180 EUR
Body build	Glass front (Gorilla Glass) glass back (Gorilla Glass) aluminum frame	Glass front plastic back plastic frame

Communication and Connectivity

Communication and Connectivity
Specification	8	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 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 18(800) 19(800) 20(800) 25(1900) 26(850) 28(700) 32(1500) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) 42(3500) 46(5200) 66(1700/2100) - EU -5G - 5G band 1(2100) 78(3500); SA/NSA - EU 5G band 2(1900) 66(1700) 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500) 78(3500) 79(4700); SA/NSA - CNmmWave - Verizon exclusive	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-A (5CA) Cat18 1200/150 Mbps 5G 7.5 Gbps DL	HSPA 42.2/5.76 Mbps LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac/ax dual-band Wi-Fi Direct DLNA hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO SBAS	Yes with A-GPS BDS
USB	3.1 Type-C 1.0 reversible connector USB On-The-Go	microUSB 2.0 USB On-The-Go
Bluetooth	5.1 A2DP LE aptX HD	5.0 A2DP LE

Music and Audio

Music and Audio
Specification	8	A31
Radio	No	FM radio
Others	HDR10+ -90Hz refresh rate	480 nits typ. brightness

Other features

Other features
Specification	8	A31
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 30W 50% in 22 min (advertised) - IP68 dust/water resistant (up to 1.5m for 30 mins)	Sensors Fingerprint (rear-mounted) accelerometer proximity compass