Celkon A66 vs Sharp Aquos R2 compact

Compare recorded specifications, size and practical differences.

Celkon A66

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Sharp Aquos R2 compact

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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.

WeightA66: 37 g lighterA66: 98 g · Aquos R2 compact: 135 g
WidthAquos R2 compact: 3.2 mm narrowerAquos R2 compact: 64 mm · A66: 67.2 mm
Screen diagonalA66: 0.7 in smaller diagonalA66: 4.5 in · Aquos R2 compact: 5.2 in
DepthAquos R2 compact: 1.7 mm thinnerAquos R2 compact: 9.3 mm · A66: 11 mm
HeightAquos R2 compact: 5 mm shorterAquos R2 compact: 131 mm · A66: 136 mm
Release year2014 / 2018A66: 2014 · Aquos R2 compact: 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. A66
Height
136 mm
Width
67.2 mm
Depth
11 mm

Weight
98 g
2. Aquos R2 compact
Height
131 mm
Width
64 mm
Depth
9.3 mm

Weight
135 g

Specifications

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Everyday essentials

Everyday essentials
Specification	A66	Aquos R2 compact
Dimensions (HxWxD)	136 Х 67.2 Х 11 mm	131 Х 64 Х 9.3 mm
Weight	98 g	135 g
Technology	TFT	IGZO IPS LCD
Screen size	4.5" inch	5.2" inch
Screen resolution	480 x 854 px	1080 x 2280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	4 GB 512 MB RAM	64 GB 512GB 4GB
Memory card support	microSD up to 32 GB	microSD up to 512 GB
BatteryCapacity is not battery life. No endurance test is implied.	2000 mAh Li-Ion	2500 mAh Non-removable Li-Ion
Operating system OS	Android 4.1.2 (Jelly Bean)	Android 9.0 (Pie)
Chipset	Unknown	Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC	Unknown	Yes
Headphone jack	Yes	Yes

Display

Display
Specification	A66	Aquos R2 compact
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Unknown	16M
Screen area	55.8 cm2	67.5 cm2
Screen format	16:9 (height:width)	19:9 (height:width)
Screen to body ratio	61.1%	80.5%
PPI /points per inch/	218 PPI	485 PPI
Screen protection	Unknown	Corning Gorilla Glass 3

Camera and Video

Camera and Video
Specification	A66	Aquos R2 compact
Rear camera, main	3.15 MP Single	22.6 MP Single
Camera specs	3.15 MP	22.6 MP f/1.9 22 mm PDAF OIS
Functions	LED flash	LED flash HDR panorama
Video	Yes	1080p@30fps
Front camera, selfie	0.3 MP Single	8 MP Single
Specifications	VGA	8 MP f/2.2 23 mm

Performance

Performance
Specification	A66	Aquos R2 compact
Processor CPU	Dual-core 1.2 GHz	Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU	Unknown	Adreno 630

General specs

General specs
Specification	A66	Aquos R2 compact
Release date	2014	2018 November
Colors	White Black	Smokey Green Deep White Pure Black
Battery life	Stand by time- Up to 160 h Talking time- Up to 5 h	Unknown
Body build	Unknown	Front glass aluminum frame plastic back

Communication and Connectivity

Communication and Connectivity
Specification	A66	Aquos R2 compact
SIM card	Dual SIM	Nano-SIM
Network	Unknown	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
Speed	Unknown	HSPA LTE
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes	Yes with A-GPS GLONASS GALILEO QZSS
USB	microUSB	2.0 Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth	2.0	5.0 A2DP LE
Harmful irradiation	SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)	Unknown

Music and Audio

Music and Audio
Specification	A66	Aquos R2 compact
Radio	FM radio	No
Others	Unknown	120 Hz -HDR10 -DCI-P3 Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos -24-bit/192kHz audio

Other features

Other features
Specification	A66	Aquos R2 compact
Dop	Sensors Accelerometer proximity	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)