A1 Alpha vs Oppo R15

Compare recorded specifications, size and practical differences.

A1 Alpha

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Oppo R15

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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 LCDAlpha: LCD · R15: OLED
WeightAlpha: 25 g lighterAlpha: 150 g · R15: 175 g
ChipsetUnisoc SC9863A (28nm) / Mediatek MT6771 Helio P60 (12 nm)Alpha: Unisoc SC9863A (28nm) · R15: Mediatek MT6771 Helio P60 (12 nm)
DepthR15: 0.7 mm thinnerR15: 7.4 mm · Alpha: 8.1 mm
HeightAlpha: 3.4 mm shorterAlpha: 151.7 mm · R15: 155.1 mm
Release year2019 / 2018Alpha: 2019 · R15: 2018

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. Alpha
Height
151.7 mm
Width
75.8 mm
Depth
8.1 mm

Weight
150 g
2. R15
Height
155.1 mm
Width
75.2 mm
Depth
7.4 mm

Weight
175 g

Specifications

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Everyday essentials

Everyday essentials
Specification	Alpha	R15
Dimensions (HxWxD)	151.7 Х 75.8 Х 8.1 mm	155.1 Х 75.2 Х 7.4 mm
Weight	150 g	175 g
Technology	IPS LCD	AMOLED
Screen size	6.26" inch	6.28" inch
Screen resolution	720 x 1520 px	1080 x 2280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32GB 2GB RAM 64GB 3GB RAM	128 GB 4/6 GB RAM
Memory card support	microSD up to 256 GB (uses shared SIM slot)	microSD up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	3200 mAh Non-removable Li-Ion	3450 mAh Non-removable Li-Po
Operating system OS	Android 9.0 (Pie)	Android 8.1 (Oreo); ColorOS 5
Chipset	Unisoc SC9863A (28nm)	Mediatek MT6771 Helio P60 (12 nm)
NFC	Yes (64/3GB model only)	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	Alpha	R15
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	97.8 cm2	98.9 cm2
Screen format	19:9 (height:width)	19:9 (height:width)
Screen to body ratio	82.1%	84.8%
PPI /points per inch/	269 PPI	401 PPI
Screen protection	Unknown	Corning Gorilla Glass 5

Camera and Video

Camera and Video
Specification	Alpha	R15
Rear camera, main	13 MP Dual	16 MP Dual
Camera specs	13 MP f/2.0 AF -2 MP f/2.4 depth sensor	16 MP f/1.7 1/2.6'' 1.22µm PDAF -5 MP f/2.2 depth sensor
Functions	LED flash HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	20 MP Single
Specifications	8 MP f/2.0	20 MP f/2.0

Performance

Performance
Specification	Alpha	R15
Processor CPU	Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU	IMG8322	Mali-G72 MP3
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	140520
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1928
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	4904

General specs

General specs
Specification	Alpha	R15
Release date	2019 August	2018 March
Colors	Black Green	Hot Red Snow White Star Purple Fantasy Pink
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	150 EUR	460 EUR
Body build	Unknown	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity
Specification	Alpha	R15
SIM card	Hybrid Dual SIM (Nano-SIM dual stand-by)	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) 3(1800) 5(850) 7(2600) 8(900) 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 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat13 600/100 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS GLONASS	Yes with A-GPS GLONASS
USB	microUSB 2.0 USB On-The-Go	microUSB 2.0 USB On-The-Go
Bluetooth	4.2 A2DP LE	4.2 A2DP LE EDR

Music and Audio

Music and Audio
Specification	Alpha	R15
Radio	FM radio	No
Others	Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic

Other features

Other features
Specification	Alpha	R15
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging: VOOC Flash Charge 5V/4A