HTC One M8 vs Karbonn A15

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.

  • Screen diagonal

    A15: 1 in smaller diagonal

    One M8:
    5 in
    A15:
    4 in
  • Release year

    One M8:
    2014
    A15:
    2012

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
    Width:
    70.6 mm
    Depth:
    9.4 mm
    Weight:
    160 g
  2. 2. A15

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. A15

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

One M8 has approximately 51.3% more rectangular screen area than A15.

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, A15, compared at the same storage capacity.
StorageOne M8A15
16 GB 2 GB RAM Unknown
32 GB 2 GB RAM Unknown
A15: Original memory entry

4 GB (2.5 GB user available) · 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. A15

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

    +1180 mAh versus A15

  2. 2. A15

    1420 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. A15

Everyday essentials
Everyday essentials — specifications for One M8, A15.
SpecificationOne M8A15
Dimensions (HxWxD)
  • 146.4 Х 70.6 Х 9.4 mm
  • Х Х mm
Weight
  • 160 g
  • 0 g
Technology
  • Super LCD3
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 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 (2.5 GB user available)
  • 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
  • 1420 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 6.0 (Marshmallow); Sense UI 6
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset
  • Qualcomm MSM8974AB Snapdragon 801 (28 nm)
Unknown
NFC
  • Yes (market/operator dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One M8, A15.
SpecificationOne M8A15
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 66.7%
Unknown
PPI /points per inch/
  • 441 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for One M8, A15.
SpecificationOne M8A15
Rear camera, main
  • 4 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • AF -4 MP
  • depth sensor
  • 3.15 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for One M8, A15.
SpecificationOne M8A15
Processor CPU
  • Quad-core 2.3 GHz (US/EMEA)/ 2.5 GHz (Asia
  • China) Krait 400
  • 1.0 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, A15.
SpecificationOne M8A15
Release date
  • 2014
  • March
  • 2012
Colors
  • Gunmetal Gray
  • Glacial Silver
  • Amber Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 80 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 150 h
Body build
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for One M8, A15.
SpecificationOne M8A15
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
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0 (MHL TV-out)
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 2.0
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.22 W/kg (body)
  • SAR - 0.59 W/kg (head)
Music and Audio
Music and Audio — specifications for One M8, A15.
SpecificationOne M8A15
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, A15.
SpecificationOne M8A15
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