BLU Bold N1 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

Bold N1:

OLED

A31:

LCD
Width

Bold N1: 1.4 mm narrower

Bold N1:

74.1 mm

A31:

75.5 mm
Rear camera layout

Bold N1:

Dual

A31:

Triple
Height

Bold N1: 5.2 mm shorter

Bold N1:

158.7 mm

A31:

163.9 mm
Release year

Bold N1:

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. Bold N1

Height:

158.7 mm
Width:

74.1 mm
Depth:

8.6 mm
2. A31

Height:

163.9 mm +5.2 mm versus Bold N1
Width:

75.5 mm +1.4 mm versus Bold N1
Depth:

8.3 mm

Weight

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

1. Bold N1

182 g

+2 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. Bold N1

Screen diagonal:

6.4 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.5 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 Bold N1, A31, compared at the same storage capacity.
Storage	Bold N1	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. Bold N1

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 128 GB

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. Bold N1

3500 mAh
2. A31

4230 mAh

+730 mAh versus Bold N1

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. Bold N12. A31

Everyday essentials

Everyday essentials — specifications for Bold N1, A31.
Specification	Bold N1	A31
Dimensions (HxWxD)	158.7 Х 74.1 Х 8.6 mm	163.9 Х 75.5 Х 8.3 mm
Weight	182 g	180 g
Technology	AMOLED	IPS LCD
Screen size	6.4" 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 128 GB	microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	3500 mAh Non-removable Li-Po	4230 mAh Non-removable Li-Po
Operating system OS	Android 9.0 (Pie) planned upgrade to Android 10.0	Android 9.0 (Pie); ColorOS 6.1
Chipset	Mediatek MT6771V Helio P70 (12nm)	Mediatek MT6765V/CB Helio P35 (12nm)
Headphone jack	Yes	Yes

Display

Display — specifications for Bold N1, A31.
Specification	Bold N1	A31
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	100.5 cm2	102.0 cm2
Screen format	19.5:9 (height:width)	20:9 (height:width)
Screen to body ratio	85.5%	82.4%
PPI /points per inch/	403 PPI	270 PPI
Screen protection	Corning Gorilla Glass 5	Unknown

Camera and Video

Camera and Video — specifications for Bold N1, A31.
Specification	Bold N1	A31
Rear camera, main	16 MP Dual	12 MP Triple
Camera specs	16 MP f/1.8 1/2.8'' PDAF -5 MP f/2.2 1/5'' 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	LED flash HDR panorama	HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	13 MP Single	8 MP Single
Specifications	Motorized pop-up 13 MP f/2.0 1/4''	8 MP f/2.0

Performance

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

Performance — specifications for Bold N1, A31.
Specification	Bold N1	A31
Processor CPU	Octa-core (4x2.1 GHz Cortex-A73 & 4x2.1 GHz Cortex-A53)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU	Mali-G72 MP3	PowerVR GE8320
Antutu 7 score *	137456	Unknown
Antutu 8 score *	Unknown	105221
GeekBench 5 Single Core *	290	Unknown
GeekBench 5 Multi-Core *	1356	Unknown

General specs

General specs — specifications for Bold N1, A31.
Specification	Bold N1	A31
Release date	2019 September	2020 February 13
Colors	Raven Black	Fantasy White Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	200 USD	180 EUR
Battery life	Stand by time- Up to 600 h (3G) Talking time- Up to 20 h (3G)	Unknown
Body build	Unknown	Glass front plastic back plastic frame

Communication and Connectivity

Communication and Connectivity — specifications for Bold N1, A31.
Specification	Bold N1	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 -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) 13(700) 17(700) 28(700)	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) Cat6 300/50 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 Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS BDS
USB	2.0 Type-C 1.0 reversible connector USB On-The-Go	microUSB 2.0 USB On-The-Go
Bluetooth	4.1 A2DP LE	5.0 A2DP LE

Music and Audio

Music and Audio — specifications for Bold N1, A31.
Specification	Bold N1	A31
Radio	FM radio	FM radio
Others	Unknown	480 nits typ. brightness

Other features

Other features — specifications for Bold N1, A31.
Specification	Bold N1	A31
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast battery charging 18W -Fast Qi wireless charging 10W	Sensors Fingerprint (rear-mounted) accelerometer proximity compass

BLU Bold N1 vs Oppo A31

BLU Bold N1

Oppo A31

Key differences

Display technology

Width

Rear camera layout

Height

Release year

Physical size

1. Bold N1

2. A31

Weight

1. Bold N1

2. A31

Screen size

1. Bold N1

2. A31

Memory variants

Practical features

1. Bold N1

2. A31

Battery capacity

Recorded battery capacity

1. Bold N1

2. A31

Specifications

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