Allview E3 Sign vs Oppo Ace2

Compare recorded specifications, size and practical differences.

Allview E3 Sign

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Oppo Ace2

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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 technologyOLED versus LCDE3 Sign: LCD · Ace2: OLED
WeightE3 Sign: 24.1 g lighterE3 Sign: 161.9 g · Ace2: 186 g
Screen diagonalE3 Sign: 1.05 in smaller diagonalE3 Sign: 5.5 in · Ace2: 6.55 in
ChipsetMediatek MT6582 (28 nm) / Qualcomm SM8250 Snapdragon 865 (7 nm+)E3 Sign: Mediatek MT6582 (28 nm) · Ace2: Qualcomm SM8250 Snapdragon 865 (7 nm+)
Rear camera layoutSingle / QuadE3 Sign: Single · Ace2: Quad
DepthAce2: 0.7 mm thinnerAce2: 8.6 mm · E3 Sign: 9.3 mm

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.

Front

Side

1. E3 Sign
Height
152.5 mm
Width
75.9 mm
Depth
9.3 mm

Weight
161.9 g
2. Ace2
Height
160 mm
Width
75.4 mm
Depth
8.6 mm

Weight
186 g

Specifications

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Everyday essentials

Everyday essentials
Specification	E3 Sign	Ace2
Dimensions (HxWxD)	152.5 Х 75.9 Х 9.3 mm	160 Х 75.4 Х 8.6 mm
Weight	161.9 g	186 g
Technology	IPS LCD	AMOLED
Screen size	5.5" inch	6.55" inch
Screen resolution	720 x 1280 px	1080 x 2400 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16 GB 2 GB RAM	128GB 8GB RAM 256GB 8GB RAM 256GB 12GB RAM
Memory card support	microSD up to 32 GB (dedicated slot)	No
BatteryCapacity is not battery life. No endurance test is implied.	2800 mAh Removable Li-Po	4000 mAh Non-removable Li-Po
Operating system OS	Android 4.4.2 (KitKat)	Android 10.0; ColorOS 7.1
Chipset	Mediatek MT6582 (28 nm)	Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC	Super AMOLED	Yes
Headphone jack	Yes	No

Display

Display
Specification	E3 Sign	Ace2
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	16M
Screen area	83.4 cm2	103.6 cm2
Screen format	16:9 (height:width)	20:9 (height:width)
Screen to body ratio	72.0%	85.9%
PPI /points per inch/	267 PPI	402 PPI
Screen protection	Scratch-resistant glass	Corning Gorilla Glass 5

Camera and Video

Camera and Video
Specification	E3 Sign	Ace2
Rear camera, main	8 MP Single	48 MP Quad
Camera specs	8 MP AF	48 MP f/1.7 26mm (wide) 1/2.0'' 0.8µm PDAF -8 MP f/2.2 13mm (ultrawide) 1/4.0'' 1.12µm AF -2 MP B/W (depth) -2 MP (depth)
Functions	Dual-LED flash HDR	HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	2 MP Single	16 MP Single
Specifications	2 MP	16 MP f/2.4 29mm (wide) 1/3.1'' 1.0µm

Performance

Performance
Specification	E3 Sign	Ace2
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU	Mali-400MP2 Z525 -Mali-T720MP2 Z528	Adreno 650
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	24156	Unknown

General specs

General specs
Specification	E3 Sign	Ace2
Release date	2015 March	2020 April 13
Colors	Black	Aurora Silver Moon Rock Grey Fantasy Purple
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	Unknown	520 EUR
Battery life	Stand by time- Up to 280 h Talking time- Up to 10 h 20 min	Unknown
Body build	Unknown	Glass front (Gorilla Glass 5) glass back (Gorilla Glass 5) aluminum frame

Communication and Connectivity

Communication and Connectivity
Specification	E3 Sign	Ace2
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-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 900 / 2100-4G - LTE	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 20(800) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) - China -5G - 5G band 1(2100) 41(2500) 78(3500) 79(4700); SA/NSA - China
Speed	HSPA 21.1/11.5 Mbps	HSPA LTE-A
GPRS	Class 12	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac/ax dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO QZSS
USB	microUSB 2.0	2.0 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	4.0 A2DP EDR	5.1 A2DP LE aptX HD
Harmful irradiation	SAR EU - 0.67 W/kg (head)	Unknown

Music and Audio

Music and Audio
Specification	E3 Sign	Ace2
Radio	FM radio	Unknown
Others	Unknown	500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate

Other features

Other features
Specification	E3 Sign	Ace2
Dop	Sensors Fingerprint (rear-mounted) Sensors Accelerometer proximity - Also known as Liquid E3 E380 Available as Acer Liquid E3 Duo with dual-SIM card slots Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 65W 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W 100% in 56 min (advertised) -Wireless reverse charging 10W