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Model

Compare Oppo A78 and ZTE Blade A31

Oppo A78 vs ZTE Blade A31

Oppo A78

ZTE Blade A31

Oppo A78

ZTE Blade A31

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66

LTE frequency band 1, 2, 3, 5, 7, 8, 20, 28, 38
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

21.1 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE, 301 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2023-01

2021-07
Status

2023-01

2021-07

Design
Build

Plastic

Plastic
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

163.8 mm

140 mm
Width

75.1 mm

71 mm
Thickness

8 mm

8.9 mm
Weight

188 g

166 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Black, Purple

Blue, Gray

Display
Display type

IPS LCD

IPS LCD
Physical size

6.56 inches

5.45 inches
Resolution

720 x 1612 pixels

720 x 1440 pixels
Pixel density

269 ppi

295 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Panda glass

-
Display features

90Hz, 480 nits (typ), 600 nits (HBM)

-

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Cortex-A76

Quad-core 1.6 GHz Cortex-A55
CPU(second)

Hexa-core 2.0 GHz Cortex-A55

quad-core 1.2 GHz Cortex-A55
Chipset

MediaTek MT6833 Dimensity 700

Unisoc SC9863A
GPU

Mali-G57 MC2

IMG8322
Memory RAM

8 GB

2 GB
Internal storage

128 GB

32 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

1 TB

128 GB
Storage

UFS 2.2

-

OS
OS

Android 12, ColorOS 13

Android 11 Go Edition

Main camera
Camera type

Dual

Single
Main camera

(wide) , 50 MP, f/1.8 , 77˚ , 27 mm

8 MP
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
Primary camera resolution

8190 x 6120 pixels

3264 x 2448 pixels
Primary camera video

1080p@30fps

720p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

HDR

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 77˚ , 27 mm, 1/4" , 1.12 µm

2 MP, f/2.8
Selfie camera interpolated resolution

-

5 MP
Selfie camera resolution

3264 x 2448 pixels

1920 x 1080 pixels
Selfie camera features

Face unlock, HDR

-
Selfie camera video

1080p@30fps

480p@30fps

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes, with stereo speakers

Yes
Earpiece

Yes

Yes

Multimedia
Radio

No

FM Radio

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C 2.0

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.3

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

Yes

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, proximity

Accelerometer

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Ion
Battery capacity

5000 mAh

3000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 33W (53% in 30 min, 100% in 67 min)

-
Talk time 4G

22.9 h

-

Tests and performance
Antutu

324000 (v9)

101300 (v8)
Geekbench(single-core)

575 (v5.2)

149 (v5.2)
Geekbench(multi-core)

1785 (v5.2)

817 (v5.2)

Cost
Price

250 USD

100 USD

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