Allview X4 Xtreme vs Oppo R15 Pro: specs comparison

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 technology

OLED versus LCD

X4 Xtreme:

LCD

R15 Pro:

OLED
Weight

R15 Pro: 46.9 g lighter

X4 Xtreme:

226.9 g

R15 Pro:

180 g
Width

R15 Pro: 8.1 mm narrower

X4 Xtreme:

83.3 mm

R15 Pro:

75.2 mm
Screen diagonal

X4 Xtreme: 0.28 in smaller diagonal

X4 Xtreme:

6 in

R15 Pro:

6.28 in
Chipset

X4 Xtreme:

Mediatek MT6757T Helio P25 (16 nm)

R15 Pro:

Qualcomm SDM660 Snapdragon 660 (14 nm)
Depth

R15 Pro: 1.1 mm thinner

X4 Xtreme:

9.1 mm

R15 Pro:

8 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.

1. X4 Xtreme

Height:

166.4 mm +9.9 mm versus R15 Pro
Width:

83.3 mm +8.1 mm versus R15 Pro
Depth:

9.1 mm +1.1 mm versus R15 Pro
2. R15 Pro

Height:

156.5 mm
Width:

75.2 mm
Depth:

8 mm

Weight

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

1. X4 Xtreme

226.9 g

+46.9 g versus R15 Pro
2. R15 Pro

180 g

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.

1. X4 Xtreme

Screen diagonal:

6 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

99.2 cm²
2. R15 Pro

Screen diagonal:

6.28 in

Aspect ratio (height:width):

19:9

Approximate rectangular screen area:

98.4 cm²

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 for X4 Xtreme, R15 Pro, compared at the same storage capacity.
Storage	X4 Xtreme	R15 Pro
128 GB	Unknown	6 GB RAM

X4 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. X4 Xtreme

NFC:: See details Super AMOLED
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (uses SIM 2 slot)

2. R15 Pro

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (uses SIM 2 slot)

Battery capacity

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

Recorded battery capacity

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

1. X4 Xtreme

4550 mAh

+1120 mAh versus R15 Pro
2. R15 Pro

3430 mAh

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. X4 Xtreme2. R15 Pro

Everyday essentials

Everyday essentials — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
Dimensions (HxWxD)	166.4 Х 83.3 Х 9.1 mm	156.5 Х 75.2 Х 8 mm
Weight	226.9 g	180 g
Technology	IPS LCD	AMOLED
Screen size	6" inch	6.28" inch
Screen resolution	1080 x 1920 px	1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	up to 64 GB (dedicated slot) 512GB 4GB	128 GB 6 GB RAM
Memory card support	microSD up to 256 GB (uses SIM 2 slot)	microSD up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	4550 mAh Non-removable Li-Po	3430 mAh Non-removable Li-Po
Operating system OS	Android 7.0 (Nougat)	Android 8.1 (Oreo); ColorOS 5
Chipset	Mediatek MT6757T Helio P25 (16 nm)	Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC	Super AMOLED	Yes
Headphone jack	Yes	Yes

Display

Display — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	99.2 cm2	98.9 cm2
Screen format	16:9 (height:width)	19:9 (height:width)
Screen to body ratio	146.1 Х 71.6 Х 9.9 mm	84.1%
PPI /points per inch/	367 PPI	401 PPI
Screen protection	Corning Gorilla Glass 3	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
Rear camera, main	13 MP Dual-LED flash	16 MP Dual
Camera specs	13 MP PDAF -5 MP (ultrawide/depth sensor)	16 MP f/1.7 25mm (wide) 1/2.6'' 1.22µm PDAF -20 MP 1/2.8'' 1.0µm
Functions	Dual-LED flash HDR panorama	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	20 MP Single	20 MP Single
Specifications	20 MP	20 MP f/2.0 20mm

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
Processor CPU	Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU	Mali-T880MP2	Adreno 512
Antutu 7 score *	58758	146822

General specs

General specs — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
Release date	2017 June	2018 March
Colors	Mocha Gold	Ceramic Black Dream Mirror Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	510 EUR
Battery life	Stand by time- Up to 379 h Talking time- Up to 25 h	Unknown
Body build	Unknown	Front glass aluminum frame ceramic back

Communication and Connectivity

Communication and Connectivity — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
SIM card	Hybrid Dual SIM (Micro-SIM/Nano SIM)	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)	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 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 21.1/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS
USB	microUSB 2.0	microUSB 2.0 USB On-The-Go
Bluetooth	4.0 A2DP EDR	5.0 A2DP LE EDR
Harmful irradiation	SAR EU - 1.01 W/kg (head)	Unknown

Music and Audio

Music and Audio — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
Radio	FM radio	No
Others	Unknown	Active noise cancellation with dedicated mic

Other features

Other features — specifications for X4 Xtreme, R15 Pro.
Specification	X4 Xtreme	R15 Pro
Dop	Sensors Fingerprint (front-mounted) Sensors Accelerometer gyro proximity compass - For Europe	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging: VOOC Flash Charge 5V/4A - IP67 dust/water resistant (up to 1m for 30 mins) - Also known as R15 Dream Mirror Edition in China with slightly different dimensions

Allview X4 Xtreme vs Oppo R15 Pro