Oppo A31 vs Xiaomi Mi A1: 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.

Weight

Mi A1: 15 g lighter

A31:

180 g

Mi A1:

165 g
Screen diagonal

Mi A1: 1 in smaller diagonal

A31:

6.5 in

Mi A1:

5.5 in
Rear camera layout

A31:

Triple

Mi A1:

Dual
Depth

Mi A1: 1 mm thinner

A31:

8.3 mm

Mi A1:

7.3 mm
Height

Mi A1: 8.5 mm shorter

A31:

163.9 mm

Mi A1:

155.4 mm
Release year

A31:

2020

Mi A1:

2017

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. A31

Height:

163.9 mm +8.5 mm versus Mi A1
Width:

75.5 mm
Depth:

8.3 mm +1 mm versus Mi A1
2. Mi A1

Height:

155.4 mm
Width:

75.8 mm
Depth:

7.3 mm

Weight

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

1. A31

180 g

+15 g versus Mi A1
2. Mi A1

165 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. A31

Screen diagonal:

6.5 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

102 cm²
2. Mi A1

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²

A31 has approximately 22.3% more rectangular screen area than Mi A1.

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 A31, Mi A1, compared at the same storage capacity.
Storage	A31	Mi A1
128 GB	4 GB RAM	Unknown

Mi A1: Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. A31

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

2. Mi A1

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 128 GB (uses SIM 2 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. A31

4230 mAh

+1150 mAh versus Mi A1
2. Mi A1

3080 mAh

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. A312. Mi A1

Everyday essentials

Everyday essentials — specifications for A31, Mi A1.
Specification	A31	Mi A1
Dimensions (HxWxD)	163.9 Х 75.5 Х 8.3 mm	155.4 Х 75.8 Х 7.3 mm
Weight	180 g	165 g
Technology	IPS LCD	LTPS IPS LCD
Screen size	6.5" inch	5.5" inch
Screen resolution	720 x 1600 px	1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128GB 4GB RAM	64 GB 512GB 4GB
Memory card support	microSDXC (dedicated slot)	microSD up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	4230 mAh Non-removable Li-Po	3080 mAh Non-removable Li-Po
Operating system OS	Android 9.0 (Pie); ColorOS 6.1	Android 7.1.2 (Nougat) upgradable to Android 9.0 (Pie); Android One
Chipset	Mediatek MT6765V/CB Helio P35 (12nm)	Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for A31, Mi A1.
Specification	A31	Mi A1
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	102.0 cm2	82.6 cm2
Screen format	20:9 (height:width)	16:9 (height:width)
Screen to body ratio	82.4%	70.1%
PPI /points per inch/	270 PPI	403 PPI
Screen protection	Unknown	Corning Gorilla Glass 3

Camera and Video

Camera and Video — specifications for A31, Mi A1.
Specification	A31	Mi A1
Rear camera, main	12 MP Triple	12 MP Dual
Camera specs	12 MP f/1.8 (wide) PDAF -2 MP f/2.4 27mm (macro) 1/5.0'' 1.75µm -2 MP (depth)	12 MP f/2.2 26mm (wide) 1.25µm PDAF -12 MP f/2.6 50mm (telephoto) 1.0µm AF 2x optical zoom
Functions	HDR	Dual-LED dual-tone flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	5 MP Single
Specifications	8 MP f/2.0	5 MP

Performance

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

Performance — specifications for A31, Mi A1.
Specification	A31	Mi A1
Processor CPU	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	PowerVR GE8320	Adreno 506
Antutu 7 score *	Unknown	78560
GeekBench 4 Single Core *	Unknown	859
GeekBench 4 Multi-Core *	Unknown	4171
Antutu 8 score *	105221	96807
GeekBench 4 Battery *	Unknown	3415
GeekBench 5 Single Core *	Unknown	169
GeekBench 5 Multi-Core *	Unknown	1000

General specs

General specs — specifications for A31, Mi A1.
Specification	A31	Mi A1
Release date	2020 February 13	2017 September
Colors	Fantasy White Mystery Black	Black Gold Rose Gold Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	180 EUR	170 EUR
Body build	Glass front plastic back plastic frame	Front glass aluminum frame back

Communication and Connectivity

Communication and Connectivity — specifications for A31, Mi A1.
Specification	A31	Mi A1
SIM card	Dual SIM (Nano-SIM dual stand-by)	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 20(800) 38(2600) 40(2300)
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps
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 WiFi Direct hotspot
GPS	Yes with A-GPS BDS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0 USB On-The-Go	2.0 Type-C 1.0 reversible connector
Bluetooth	5.0 A2DP LE	4.2 A2DP LE

Music and Audio

Music and Audio — specifications for A31, Mi A1.
Specification	A31	Mi A1
Radio	FM radio	FM radio
Others	480 nits typ. brightness	Active noise cancellation with dedicated mic

Other features

Other features — specifications for A31, Mi A1.
Specification	A31	Mi A1
Dop	Sensors Fingerprint (rear-mounted) accelerometer proximity compass	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity Infrared port - Charging 5V/2A 10W - For Europe Asia Pacific Middle East & Africa LATAM. Also known as Xiaomi Mi 5X in China.

Oppo A31 vs Xiaomi Mi A1

Oppo A31

Xiaomi Mi A1