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Model

Compare Energizer E4 and Oppo A55

Energizer E4 vs Oppo A55

Energizer E4

Oppo A55

Energizer E4

Oppo A55

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

-

HSDPA 850, 900, 2100
4G network

-

LTE frequency band 1, 3, 5, 8, 38, 40, 41
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE, 391 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

No

Yes

Availability
Oficially announced

2022-06

2021-10
Status

2022-08

2021-10

Design
Build

-

Plastic
SIM

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

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

115 mm

163.6 mm
Width

46 mm

75.7 mm
Thickness

13.5 mm

8.4 mm
Weight

65 g

193 g
Colors

Black, Blue, Gold, Red, Silver

Black, Blue, Green

Display
Display type

TFT

IPS LCD
Physical size

1.77 inches

6.51 inches
Resolution

128 x 160 pixels

720 x 1600 pixels
Pixel density

116 ppi

270 ppi
Display colors

-

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, AGC Dragontrail glass - NEG T2X-1
Display features

-

480 nits (typ), 550 nits (peak)

Hardware
CPU

-

Octa-core
CPU

312 MHz

2.3 GHz Quad-core Cortex-A53
CPU(second)

quad-core 1.8 GHz Cortex-A53
Chipset

Unisoc SC6531DA

MediaTek MT6765G Helio G35
GPU

-

PowerVR GE8320
Memory RAM

-

4, 6 GB
Internal storage

-

64, 128 GB
Memory card

microSDHC

microSD, microSDHC, microSDXC
Memory card max

-

256 GB
Phonebook

Yes

-
Call records

Yes

-

Main camera
Camera type

Single

Triple
Main camera

(wide) , 50 MP, f/1.8 , 77˚ , 26 mm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

-

8160 x 6144 pixels
Primary camera video

Yes

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, macro-mode, phase detection autofocus

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
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 Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v2.0

v5.0
Bluetooth A2DP

-

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX
NFC

No

No
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, gyroscope, proximity

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

1000 mAh

5000 mAh
Battery removable

Removable

Non-removable
Fast battery charging

-

Yes, 18W

Cost
Price

10 USD

210 USD

OS
OS

-

Android 11, ColorOS 11.1

Selfie camera
Selfie camera type

-

Single
Selfie camera

(wide) , 16 MP, f/2.0 , 26 mm
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

-

Face unlock, face detection, HDR
Selfie camera video

-

1080p@30fps

Browser
HTML

-

HTML5

Tests and performance
Antutu

-

250000 (v8)

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