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Karbonn A6 vs OnePlus 6T

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    A6:
    LCD
    6T:
    OLED
  • Weight

    A6: 70.5 g lighter

    A6:
    114.5 g
    6T:
    185 g
  • Width

    A6: 9.1 mm narrower

    A6:
    65.7 mm
    6T:
    74.8 mm
  • Screen diagonal

    A6: 2.41 in smaller diagonal

    A6:
    4 in
    6T:
    6.41 in
  • Rear camera layout

    A6:
    Single
    6T:
    Dual
  • Depth

    6T: 3.4 mm thinner

    A6:
    11.6 mm
    6T:
    8.2 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. 1. A6

    Height:
    128 mm
    Width:
    65.7 mm
    Depth:
    11.6 mm +3.4 mm versus 6T
  2. 2. 6T

    Height:
    157.5 mm +29.5 mm versus A6
    Width:
    74.8 mm +9.1 mm versus A6
    Depth:
    8.2 mm

Weight

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

  1. 1. A6

    114.5 g

  2. 2. 6T

    185 g

    +70.5 g versus A6

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. 1. A6

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. 6T

    Screen diagonal:
    6.41 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.9 cm²

6T has approximately 121.5% more rectangular screen area than A6.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A6: Original memory entry

104 MB · 512 MB RAM

6T: Original memory entry

256 GB · 8 GB RAM · 128 GB · 6/8 GB 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. A6

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

2. 6T

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. 1. A6

    1450 mAh

  2. 2. 6T

    3700 mAh

    +2250 mAh versus A6

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. A62. 6T

Everyday essentials
Everyday essentials — specifications for A6, 6T.
SpecificationA66T
Dimensions (HxWxD)
  • 128 Х 65.7 Х 11.6 mm
  • 157.5 Х 74.8 Х 8.2 mm
Weight
  • 114.5 g
  • 185 g
Technology
  • IPS LCD
  • Optic AMOLED
Screen size
  • 4" inch
  • 6.41" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 104 MB
  • 512 MB RAM
  • 256 GB
  • 8 GB RAM
  • 128 GB
  • 6/8 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1450 mAh
  • Removable Li-Ion
  • 3700 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 9.0 (Pie); OxygenOS 9.0.5
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A6, 6T.
SpecificationA66T
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 45.5 cm2
  • 100.9 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 54.2%
  • 85.6%
PPI /points per inch/
  • 233 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video

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

Camera and Video — specifications for A6, 6T.
SpecificationA66T
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 5 MP
  • 16 MP
  • f/1.7
  • 25mm (wide)
  • 1/2.6''
  • 1.22µm
  • OIS
  • PDAF -20 MP (16 MP effective)
  • 1/2.8''
  • 1.0µm
  • PDAF
Functions
  • LED flash
  • Auto-HDR
  • gyro-EIS
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
  • f/2.0
  • 25mm (wide)
  • 1/3.1''
  • 1.0µm
DxOMark Main Score * Unknown
  • 98
DxOMark Photo * Unknown
  • 101
DxOMark Video * Unknown
  • 91
Performance

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

Performance — specifications for A6, 6T.
SpecificationA66T
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
Antutu 7 score * Unknown
  • 293212
GeekBench 4 Single Core * Unknown
  • 2372
GeekBench 4 Multi-Core * Unknown
  • 8842
GeekBench 4 RenderScript * Unknown
  • 13163
Antutu 8 score * Unknown
  • 362575
GeekBench 5 Single Core * Unknown
  • 500
GeekBench 5 Multi-Core * Unknown
  • 2245
General specs
General specs — specifications for A6, 6T.
SpecificationA66T
Release date
  • 2013
  • March
  • 2018
  • October
Colors
  • white/black
  • Thunder Purple
  • Mirror Black
  • Midnight Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 550 EUR
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 3 h 30 min
Unknown
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A6, 6T.
SpecificationA66T
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 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)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 30(2300)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 46
  • 66(1700/2100)
  • 71(600) - Europe
  • North America LTE band 1(2100)
  • 66(1700/2100) - India
  • China
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat16 1024/150 Mbps
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
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • aptX HD
  • LE
Harmful irradiation
  • SAR EU - 0.87 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A6, 6T.
SpecificationA66T
Radio
  • FM radio
  • No
Others Unknown
  • DCI-P3
  • Active noise cancellation with dedicated mic -Dirac HD sound
Other features
Other features — specifications for A6, 6T.
SpecificationA66T
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/4A 20W