Karbonn A27 Retina vs Sharp Aquos Zero: 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

A27 Retina:

LCD

Aquos Zero:

OLED
Weight

A27 Retina: 19.5 g lighter

A27 Retina:

126.5 g

Aquos Zero:

146 g
Width

A27 Retina: 7 mm narrower

A27 Retina:

66 mm

Aquos Zero:

73 mm
Screen diagonal

A27 Retina: 1.9 in smaller diagonal

A27 Retina:

4.3 in

Aquos Zero:

6.2 in
Height

A27 Retina: 20.4 mm shorter

A27 Retina:

133.6 mm

Aquos Zero:

154 mm
Release year

A27 Retina:

2013

Aquos Zero:

2019

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. A27 Retina

Height:

133.6 mm
Width:

66 mm
Depth:

9.1 mm
2. Aquos Zero

Height:

154 mm +20.4 mm versus A27 Retina
Width:

73 mm +7 mm versus A27 Retina
Depth:

8.8 mm

Weight

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

1. A27 Retina

126.5 g
2. Aquos Zero

146 g

+19.5 g versus A27 Retina

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. A27 Retina

Screen diagonal:

4.3 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

51 cm²
2. Aquos Zero

Screen diagonal:

6.2 in

Aspect ratio (height:width):

18.7:9

Approximate rectangular screen area:

96.9 cm²

Aquos Zero has approximately 90.1% more rectangular screen area than A27 Retina.

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 A27 Retina, Aquos Zero, compared at the same storage capacity.
Storage	A27 Retina	Aquos Zero
128 GB	Unknown	6 GB RAM

A27 Retina: Original memory entry

4 GB · 512 MB 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. A27 Retina

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

2. Aquos Zero

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

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. A27 Retina

1800 mAh
2. Aquos Zero

3130 mAh

+1330 mAh versus A27 Retina

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. A27 Retina2. Aquos Zero

Everyday essentials

Everyday essentials — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
Dimensions (HxWxD)	133.6 Х 66 Х 9.1 mm	154 Х 73 Х 8.8 mm
Weight	126.5 g	146 g
Technology	IPS LCD	OLED
Screen size	4.3" inch	6.2" inch
Screen resolution	540 x 960 px	1440 x 2992 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	4 GB 512 MB RAM	128 GB 6 GB RAM
Memory card support	microSD up to 32 GB (dedicated slot)	No
Battery Capacity is not battery life. No endurance test is implied.	1800 mAh Li-Ion	3130 mAh Non-removable Li-Ion
Operating system OS	Android 4.1 (Jelly Bean)	Android 9.0 (Pie)
Chipset	Unknown	Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC	Unknown	Yes
Headphone jack	Yes	No

Display

Display — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Unknown	16M
Screen area	51.0 cm2	96.9 cm2
Screen format	16:9 (height:width)	18.7:9 (height:width)
Screen to body ratio	57.8%	86.2%
PPI /points per inch/	256 PPI	536 PPI
Screen protection	Unknown	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
Rear camera, main	8 MP Single	22.6 MP Single
Camera specs	8 MP AF	22.6 MP f/1.9 22 mm PDAF OIS
Functions	LED flash	HDR
Video	Yes	1080p@30fps
Front camera, selfie	2 MP Single	8 MP Single
Specifications	2 MP	8 MP f/2.2 23 mm

Performance

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

Performance — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
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
Antutu 7 score *	Unknown	275122

General specs

General specs — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
Release date	2013 March	2019 January
Colors	Black	Meteorite black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	160 EUR	600 EUR
Battery life	Stand by time- Up to 180 h Talking time- Up to 4 h	Unknown
Body build	Unknown	Front glass aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
SIM card	Dual SIM (Mini-SIM)	Nano-SIM
Network	Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100) 3(1800) 7(2600) 8(900) 28(700) 38(2600)
Speed	HSPA 7.2/0.384 Mbps	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat15 1024/50 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	Yes with A-GPS GLONASS GALILEO QZSS
USB	Proprietary	2.0 Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth	Yes	5.0 A2DP LE
Harmful irradiation	SAR EU - 1.00 W/kg (head)	Unknown

Music and Audio

Music and Audio — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
Radio	FM radio	No
Others	Unknown	DCI-P3 -HDR 10 -Dolby Vision Active noise cancellation with dedicated mic -24-bit/192kHz audio -Dolby Atmos

Other features

Other features — specifications for A27 Retina, Aquos Zero.
Specification	A27 Retina	Aquos Zero
Dop	Sensors Accelerometer	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins)

Karbonn A27 Retina vs Sharp Aquos Zero