Motorola One Zoom vs Oppo A31: specs comparison

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 technology

OLED versus LCD

One Zoom:

OLED

A31:

LCD
Weight

A31: 10 g lighter

One Zoom:

190 g

A31:

180 g
Rear camera layout

One Zoom:

Quad

A31:

Triple
Depth

A31: 0.5 mm thinner

One Zoom:

8.8 mm

A31:

8.3 mm
Height

One Zoom: 5.9 mm shorter

One Zoom:

158 mm

A31:

163.9 mm
Release year

One Zoom:

2019

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.

1. One Zoom

Height:

158 mm
Width:

75 mm
Depth:

8.8 mm +0.5 mm versus A31
2. A31

Height:

163.9 mm +5.9 mm versus One Zoom
Width:

75.5 mm
Depth:

8.3 mm

Weight

Bars start at zero and share a scale within this chart.

1. One Zoom

190 g

+10 g versus A31
2. A31

180 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. One Zoom

Screen diagonal:

6.39 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.2 cm²
2. A31

Screen diagonal:

6.5 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

102 cm²

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for One Zoom, A31, compared at the same storage capacity.
Storage	One Zoom	A31
128 GB Recorded for all phones	4 GB RAM	4 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. One Zoom

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 512 GB (uses shared SIM slot)

2. A31

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSDXC (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. One Zoom

4000 mAh
2. A31

4230 mAh

+230 mAh versus One Zoom

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. One Zoom2. A31

Everyday essentials

Everyday essentials — specifications for One Zoom, A31.
Specification	One Zoom	A31
Dimensions (HxWxD)	158 Х 75 Х 8.8 mm	163.9 Х 75.5 Х 8.3 mm
Weight	190 g	180 g
Technology	Super AMOLED	IPS LCD
Screen size	6.39" inch	6.5" inch
Screen resolution	1080 x 2340 px	720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128GB 4GB RAM	128GB 4GB RAM
Memory card support	microSD up to 512 GB (uses shared SIM slot)	microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	4000 mAh Non-removable Li-Po	4230 mAh Non-removable Li-Po
Operating system OS	Android 9.0 (Pie)	Android 9.0 (Pie); ColorOS 6.1
Chipset	Qualcomm SDM675 Snapdragon 675 (11 nm)	Mediatek MT6765V/CB Helio P35 (12nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for One Zoom, A31.
Specification	One Zoom	A31
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	100.2 cm2	102.0 cm2
Screen format	19.5:9 (height:width)	20:9 (height:width)
Screen to body ratio	84.6%	82.4%
PPI /points per inch/	403 PPI	270 PPI
Screen protection	Panda King glass	Unknown

Camera and Video

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Camera and Video — specifications for One Zoom, A31.
Specification	One Zoom	A31
Rear camera, main	48 MP Quad	12 MP Triple
Camera specs	48 MP f/1.7 (wide) 1/2'' 0.8µm PDAF OIS -8 MP f/2.4 (telephoto) 3x optical zoom OIS -16 MP f/2.2 13mm (ultrawide) -5 MP depth sensor	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	1080p@30fps 720p@240fps	1080p@30fps
Front camera, selfie	25 MP Single	8 MP Single
Specifications	25 MP f/2.0 0.9μm	8 MP f/2.0
DxOMark Main Score *	87	Unknown
DxOMark Photo *	92	Unknown
DxOMark Video *	77	Unknown

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for One Zoom, A31.
Specification	One Zoom	A31
Processor CPU	Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU	Adreno 612	PowerVR GE8320
Antutu 7 score *	172326	Unknown
Antutu 8 score *	Unknown	105221
GeekBench 5 Single Core *	506	Unknown
GeekBench 5 Multi-Core *	1626	Unknown

General specs

General specs — specifications for One Zoom, A31.
Specification	One Zoom	A31
Release date	2019 September	2020 February 13
Colors	Electric Gray Cosmic Purple Brushed Bronze	Fantasy White Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	400 EUR	180 EUR
Body build	Front glass back glass (Gorilla Glass 3) aluminum frame	Glass front plastic back plastic frame

Communication and Connectivity

Communication and Connectivity — specifications for One Zoom, A31.
Specification	One Zoom	A31
SIM card	Single SIM (Nano-SIM)Hybrid 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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 20(800) 28(700) 38(2600) 40(2300) 41(2500) 66(1700/2100)	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 (2CA) Cat12 600/100 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/ac dual-band Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS GLONASS GALILEO BDS	Yes with A-GPS BDS
USB	3.1 Type-C 1.0 reversible connector	microUSB 2.0 USB On-The-Go
Bluetooth	5.0 A2DP LE EDR	5.0 A2DP LE

Music and Audio

Music and Audio — specifications for One Zoom, A31.
Specification	One Zoom	A31
Radio	FM radio	FM radio
Others	Active noise cancellation with dedicated mic	480 nits typ. brightness

Other features

Other features — specifications for One Zoom, A31.
Specification	One Zoom	A31
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast battery charging 15W - Splash and dust resistant - Also known as Motorola One Pro	Sensors Fingerprint (rear-mounted) accelerometer proximity compass

Motorola One Zoom vs Oppo A31