Karbonn A27 Retina vs OnePlus 8: 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

8:

OLED
Weight

A27 Retina: 53.5 g lighter

A27 Retina:

126.5 g

8:

180 g
Width

A27 Retina: 6.9 mm narrower

A27 Retina:

66 mm

8:

72.9 mm
Screen diagonal

A27 Retina: 2.25 in smaller diagonal

A27 Retina:

4.3 in

8:

6.55 in
Rear camera layout

A27 Retina:

Single

8:

Triple
Depth

8: 1.1 mm thinner

A27 Retina:

9.1 mm

8:

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. A27 Retina

Height:

133.6 mm
Width:

66 mm
Depth:

9.1 mm +1.1 mm versus 8
2. 8

Height:

160.2 mm +26.6 mm versus A27 Retina
Width:

72.9 mm +6.9 mm versus A27 Retina
Depth:

8 mm

Weight

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

1. A27 Retina

126.5 g
2. 8

180 g

+53.5 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. 8

Screen diagonal:

6.55 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

103.6 cm²

8 has approximately 103.2% 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, 8, compared at the same storage capacity.
Storage	A27 Retina	8
128 GB	Unknown	8 GB RAM
256 GB	Unknown	12 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. 8

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. 8

4300 mAh

+2500 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. 8

Everyday essentials

Everyday essentials — specifications for A27 Retina, 8.
Specification	A27 Retina	8
Dimensions (HxWxD)	133.6 Х 66 Х 9.1 mm	160.2 Х 72.9 Х 8 mm
Weight	126.5 g	180 g
Technology	IPS LCD	Fluid AMOLED
Screen size	4.3" inch	6.55" inch
Screen resolution	540 x 960 px	1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	4 GB 512 MB RAM	128GB 8GB RAM 256GB 12GB 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	4300 mAh Non-removable Li-Po
Operating system OS	Android 4.1 (Jelly Bean)	Android 10.0; OxygenOS 10.0
Chipset	Unknown	Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC	Unknown	Yes
Headphone jack	Yes	No

Display

Display — specifications for A27 Retina, 8.
Specification	A27 Retina	8
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Unknown	16M
Screen area	51.0 cm2	103.6 cm2
Screen format	16:9 (height:width)	20:9 (height:width)
Screen to body ratio	57.8%	88.7%
PPI /points per inch/	256 PPI	402 PPI
Screen protection	Unknown	Corning Gorilla Glass

Camera and Video

Camera and Video — specifications for A27 Retina, 8.
Specification	A27 Retina	8
Rear camera, main	8 MP Single	48 MP Triple
Camera specs	8 MP AF	48 MP f/1.8 25mm (wide) 1/2.0'' 0.8µm PDAF OIS -16 MP f/2.2 13mm (ultrawide) PDAF -2 MP f/2.4 (macro)
Functions	LED flash	Auto-HDR
Video	Yes	1080p@30fps gyro-EIS
Front camera, selfie	2 MP Single	16 MP Single
Specifications	2 MP	16 MP f/2.0 (wide) 1/3'' 1.0µm

Performance

Performance — specifications for A27 Retina, 8.
Specification	A27 Retina	8
Processor CPU	Dual-core 1.2 GHz	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU	Unknown	Adreno 650

General specs

General specs — specifications for A27 Retina, 8.
Specification	A27 Retina	8
Release date	2013 March	2020 April 14
Colors	Black	Onyx Black Glacial Green Interstellar Glow Polar Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	160 EUR	700 EUR
Battery life	Stand by time- Up to 180 h Talking time- Up to 4 h	Unknown
Body build	Unknown	Glass front (Gorilla Glass) glass back (Gorilla Glass) aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for A27 Retina, 8.
Specification	A27 Retina	8
SIM card	Dual SIM (Mini-SIM)	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 18(800) 19(800) 20(800) 25(1900) 26(850) 28(700) 32(1500) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) 42(3500) 46(5200) 66(1700/2100) - EU -5G - 5G band 1(2100) 78(3500); SA/NSA - EU 5G band 2(1900) 66(1700) 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500) 78(3500) 79(4700); SA/NSA - CNmmWave - Verizon exclusive
Speed	HSPA 7.2/0.384 Mbps	HSPA 42.2/5.76 Mbps LTE-A (5CA) Cat18 1200/150 Mbps 5G 7.5 Gbps DL
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/ax dual-band Wi-Fi Direct DLNA hotspot
GPS	Yes with A-GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO SBAS
USB	Proprietary	3.1 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	Yes	5.1 A2DP LE aptX HD
Harmful irradiation	SAR EU - 1.00 W/kg (head)	Unknown

Music and Audio

Music and Audio — specifications for A27 Retina, 8.
Specification	A27 Retina	8
Radio	FM radio	No
Others	Unknown	HDR10+ -90Hz refresh rate

Other features

Other features — specifications for A27 Retina, 8.
Specification	A27 Retina	8
Dop	Sensors Accelerometer	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 30W 50% in 22 min (advertised) - IP68 dust/water resistant (up to 1.5m for 30 mins)

Karbonn A27 Retina vs OnePlus 8