Allview E4 vs Oppo Realme X2 Pro

Compare recorded specifications, size and practical differences.

Allview E4

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Oppo Realme X2 Pro

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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 LCDE4: LCD · Realme X2 Pro: OLED
WeightE4: 69 g lighterE4: 130 g · Realme X2 Pro: 199 g
WidthE4: 5.5 mm narrowerE4: 70.2 mm · Realme X2 Pro: 75.7 mm
Screen diagonalE4: 1 in smaller diagonalE4: 5.5 in · Realme X2 Pro: 6.5 in
ChipsetMediatek MT6753 (28 nm) / Qualcomm SDM855 Snapdragon 855+ (7 nm)E4: Mediatek MT6753 (28 nm) · Realme X2 Pro: Qualcomm SDM855 Snapdragon 855+ (7 nm)
Rear camera layoutSingle / QuadE4: Single · Realme X2 Pro: Quad

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. E4
Height
140.7 mm
Width
70.2 mm
Depth
8.6 mm

Weight
130 g
2. Realme X2 Pro
Height
161 mm+20.3 mm versus E4
Width
75.7 mm+5.5 mm versus E4
Depth
8.7 mm

Weight
199 g

Weight

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

1. E4130 g
2. Realme X2 Pro199 g

+69 g versus E4

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.

At least two phones need compatible screen dimensions for a drawing.

1. E4 Screen geometry unavailable or conflicting
2. Realme X2 Pro 6.5 in · 20:9 About 102 cm² rectangular area

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 by storage capacity and phone
Storage	E4	Realme X2 Pro
16 GB	2 GB RAM	Not recorded
64 GB	Not recorded	6 GB RAM
128 GB	Not recorded	8 GB RAM
256 GB	Not recorded	12 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. E4

NFC: See details Super AMOLED
Headphone jack: Yes
Memory card support: See details microSD · up to 32 GB (dedicated slot)

2. Realme X2 Pro

NFC: Yes
Headphone jack: Yes
Memory card support: No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

1. E42100 mAh
2. Realme X2 Pro4000 mAh

+1900 mAh versus E4

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. E42. Realme X2 Pro

Everyday essentials

Everyday essentials
Specification	E4	Realme X2 Pro
Dimensions (HxWxD)	140.7 Х 70.2 Х 8.6 mm	161 Х 75.7 Х 8.7 mm
Weight	130 g	199 g
Technology	IPS LCD	Super AMOLED
Screen size	5.5" inch	6.5" 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	64GB 6GB RAM 128GB 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.	2100 mAh Removable Li-Po	4000 mAh Non-removable Li-Po
Operating system OS	Android 5.1 (Lollipop)	Android 9.0 (Pie) planned upgrade to Android 10.0; ColorOS 6.1
Chipset	Mediatek MT6753 (28 nm)	Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC	Super AMOLED	Yes
Headphone jack	Yes	Yes

Display

Display
Specification	E4	Realme X2 Pro
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	16M
Screen area	68.9 cm2	103.5 cm2
Screen format	16:9 (height:width)	20:9 (height:width)
Screen to body ratio	143.5 Х 69.8 Х 8 mm	84.9%
PPI /points per inch/	294 PPI	402 PPI
Screen protection	Unknown	Corning Gorilla Glass 5

Camera and Video

Camera and Video
Specification	E4	Realme X2 Pro
Rear camera, main	13 MP Single	64 MP Quad
Camera specs	13 MP AF	64 MP f/1.8 26mm (wide) 1/1.7" 0.8µm PDAF -13 MP f/2.5 52mm (telephoto) 1/3.4" 1.0µm PDAF 2x optical zoom -8 MP f/2.2 16mm (ultrawide) 1/3.2" 1.4µm PDAF -2 MP f/2.4 1/5" 1.75µm depth sensor
Functions	Dual-LED flash	HDR
Video	1080p@30fps	1080p@30fps gyro-EIS
Front camera, selfie	5 MP Single	16 MP Single
Specifications	5 MP	16 MP f/2.0 1µm
DxOMark Main ScoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	95
DxOMark PhotoLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	99
DxOMark VideoLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	86

Performance

Performance
Specification	E4	Realme X2 Pro
Processor CPU	Octa-core 1.3 GHz Cortex-A53	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU	Mali-T720MP3	Adreno 640 (700 MHz)
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	23156	472670
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	482480
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	660
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	2438

General specs

General specs
Specification	E4	Realme X2 Pro
Release date	2015 September	2019 October
Colors	Black White	Lunar White Neptune Blue Red Master Edition Gray Master Edition
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	240 EUR	Unknown
Battery life	Stand by time- Up to 210 h Talking time- Up to 9 h 30 min	Unknown
Body build	Unknown	Front/back glass (Gorilla Glass 5) aluminum frame

Communication and Connectivity

Communication and Connectivity
Specification	E4	Realme X2 Pro
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 band 2(1900) 3(1800) 20(800) 38(2600)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 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) 18(800) 19(800) 20(800) 26(850) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 21.1/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/11.5 Mbps 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 dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO
USB	microUSB 2.0	2.0 Type-C 1.0 reversible connector
Bluetooth	4.0 A2DP EDR	5.0 A2DP LE
Harmful irradiation	SAR EU - 1.23 W/kg (head)	Unknown

Music and Audio

Music and Audio
Specification	E4	Realme X2 Pro
Radio	FM radio	FM radio
Others	Unknown	1000 nits max brightness -90Hz -HDR10+ -DCI-P3 100% Active noise cancellation with dedicated mic -24-bit/192kHz audio (incl. speakers) -Dolby Atmos

Other features

Other features
Specification	E4	Realme X2 Pro
Dop	Sensors Accelerometer proximity compass	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast battery charging 50W: 100% in 35 min (SuperVOOC Flash Charge)