HTC One M8 vs Karbonn A27 Retina

Compare recorded specifications, size and practical differences.

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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.

  • Weight

    A27 Retina: 33.5 g lighter

    One M8:
    160 g
    A27 Retina:
    126.5 g
  • Width

    A27 Retina: 4.6 mm narrower

    One M8:
    70.6 mm
    A27 Retina:
    66 mm
  • Screen diagonal

    A27 Retina: 0.7 in smaller diagonal

    One M8:
    5 in
    A27 Retina:
    4.3 in
  • Height

    A27 Retina: 12.8 mm shorter

    One M8:
    146.4 mm
    A27 Retina:
    133.6 mm
  • Release year

    One M8:
    2014
    A27 Retina:
    2013

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. One M8

    Height:
    146.4 mm +12.8 mm versus A27 Retina
    Width:
    70.6 mm +4.6 mm versus A27 Retina
    Depth:
    9.4 mm
  2. 2. A27 Retina

    Height:
    133.6 mm
    Width:
    66 mm
    Depth:
    9.1 mm

Weight

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

  1. 1. One M8

    160 g

    +33.5 g versus A27 Retina

  2. 2. A27 Retina

    126.5 g

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. One M8

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A27 Retina

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²

One M8 has approximately 35.2% 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 One M8, A27 Retina, compared at the same storage capacity.
StorageOne M8A27 Retina
16 GB 2 GB RAM Unknown
32 GB 2 GB RAM Unknown
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. One M8

NFC:
See details Yes (market/operator dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. A27 Retina

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

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. One M8

    2600 mAh

    +800 mAh versus A27 Retina

  2. 2. A27 Retina

    1800 mAh

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. One M82. A27 Retina

Everyday essentials
Everyday essentials — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
Dimensions (HxWxD)
  • 146.4 Х 70.6 Х 9.4 mm
  • 133.6 Х 66 Х 9.1 mm
Weight
  • 160 g
  • 126.5 g
Technology
  • Super LCD3
  • IPS LCD
Screen size
  • 5" inch
  • 4.3" inch
Screen resolution
  • 1080 x 1920 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Non-removable Li-Po
  • 1800 mAh
  • Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 6.0 (Marshmallow); Sense UI 6
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm MSM8974AB Snapdragon 801 (28 nm)
Unknown
NFC
  • Yes (market/operator dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 51.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.7%
  • 57.8%
PPI /points per inch/
  • 441 PPI
  • 256 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
Rear camera, main
  • 4 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • AF -4 MP
  • depth sensor
  • 8 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 2 MP
Performance

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

Performance — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
Processor CPU
  • Quad-core 2.3 GHz (US/EMEA)/ 2.5 GHz (Asia
  • China) Krait 400
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 330
Unknown
Antutu 7 score *
  • 58192
Unknown
GeekBench 4 Single Core *
  • 961
Unknown
GeekBench 4 Multi-Core *
  • 2306
Unknown
GeekBench 4 RenderScript *
  • 2438
Unknown
GeekBench 4 Battery *
  • 1320
Unknown
General specs
General specs — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
Release date
  • 2014
  • March
  • 2013
  • March
Colors
  • Gunmetal Gray
  • Glacial Silver
  • Amber Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 160 EUR
Battery life
  • Stand by time- Up to 271 h (2G) / Up to 496 h (3G) Talking time- Up to 14 h (2G) / Up to 20 h (3G)
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Body build
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
SIM card
  • Nano-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/21.1(AT&T)/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0 (MHL TV-out)
  • USB Host
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • Yes
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.22 W/kg (body)
  • SAR EU - 1.00 W/kg (head)
Music and Audio
Music and Audio — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One M8, A27 Retina.
SpecificationOne M8A27 Retina
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0) - Also known as HTC M8
  • All New HTC One
  • Sensors Accelerometer