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Model

Compare Cat B40 and Oppo A78

Cat B40 vs Oppo A78

Cat B40

Oppo A78

Cat B40

Oppo A78

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 7, 8, 20, 28

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

-

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

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2021-04

2023-01
Status

2021-04

2023-01

Design
Build

-

Plastic
SIM

Nano-SIM

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

145 mm

163.8 mm
Width

62 mm

75.1 mm
Thickness

18 mm

8 mm
Weight

157 g

188 g
Waterproof

IP69, 1.2m and 35 minutes

IP54
Dust proof

Yes, IP69

IP54
MIL-STD-810G

Yes

-
Flashlight

Yes, 100+ lumens

-
Build features

Antimicrobial protection (silver ion-based)

-
Colors

Black

Black, Purple

Display
Display type

TFT

IPS LCD
Physical size

2.4 inches

6.56 inches
Resolution

240 x 320 pixels

720 x 1612 pixels
Pixel density

167 ppi

269 ppi
Display colors

-

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, Panda glass
Display features

-

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

Hardware
CPU

-

Octa-core
CPU

Dual-core 2.2 GHz Cortex-A76
CPU(second)

Hexa-core 2.0 GHz Cortex-A55
Chipset

Unisoc T117

MediaTek MT6833 Dimensity 700
GPU

-

Mali-G57 MC2
Memory RAM

-

8 GB
Internal storage

-

128 GB
Memory card

microSD

microSD, microSDHC, microSDXC
Memory card max

32 GB

1 TB
Storage

-

UFS 2.2
Phonebook

Yes

-
Call records

Yes

-

Main camera
Camera type

Single

Dual
Main camera

2 MP

50 MP, (wide) , f/1.8 , 77˚ , 27 mm
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
Primary camera resolution

-

8190 x 6120 pixels
Primary camera video

-

1080p@30fps
Primary camera 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

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes, with stereo speakers
Earpiece

-

Yes

Multimedia
Radio

FM Radio

No

Connectivity
WLAN

No

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.3
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
Bluetooth AptX

-

Yes
NFC

-

Yes
GPS

No

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Messaging SMS

Yes

-
Java

No

-
Games

No

-
Sensors

-

Accelerometer, compass, fingerprint, proximity

Browser
HTML

No

HTML5

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

1800 mAh

5000 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

Cost
Price

90 USD

250 USD

OS
OS

-

Android 12, ColorOS 13

Selfie camera
Selfie camera type

-

Single
Selfie camera

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

-

3264 x 2448 pixels
Selfie camera features

-

Face unlock, HDR
Selfie camera video

-

1080p@30fps

Tests and performance
Antutu

-

324000 (v9)
Geekbench(single-core)

-

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

-

1785 (v5.2)

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