HTC One E8 vs Karbonn Smart A12 Star

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

    Smart A12 Star: 15 g lighter

    One E8:
    145 g
    Smart A12 Star:
    130 g
  • Width

    Smart A12 Star: 6.5 mm narrower

    One E8:
    70.7 mm
    Smart A12 Star:
    64.2 mm
  • Screen diagonal

    Smart A12 Star: 1 in smaller diagonal

    One E8:
    5 in
    Smart A12 Star:
    4 in
  • Height

    Smart A12 Star: 22.2 mm shorter

    One E8:
    146.4 mm
    Smart A12 Star:
    124.2 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. One E8

    Height:
    146.4 mm +22.2 mm versus Smart A12 Star
    Width:
    70.7 mm +6.5 mm versus Smart A12 Star
    Depth:
    9.9 mm
  2. 2. Smart A12 Star

    Height:
    124.2 mm
    Width:
    64.2 mm
    Depth:
    10.1 mm

Weight

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

  1. 1. One E8

    145 g

    +15 g versus Smart A12 Star

  2. 2. Smart A12 Star

    130 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 E8

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Smart A12 Star

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

One E8 has approximately 51.3% more rectangular screen area than Smart A12 Star.

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 E8, Smart A12 Star, compared at the same storage capacity.
StorageOne E8Smart A12 Star
16 GB 2 GB RAM Unknown
Smart A12 Star: 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 E8

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

2. Smart A12 Star

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

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 E8

    2600 mAh

    +1200 mAh versus Smart A12 Star

  2. 2. Smart A12 Star

    1400 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 E82. Smart A12 Star

Everyday essentials
Everyday essentials — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
Dimensions (HxWxD)
  • 146.4 Х 70.7 Х 9.9 mm
  • 124.2 Х 64.2 Х 10.1 mm
Weight
  • 145 g
  • 130 g
Technology
  • Super LCD3
  • IPS LCD
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 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 6.1 (Marshmallow); Sense UI 7
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8975AC Snapdragon 801 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 66.6%
  • 57.1%
PPI /points per inch/
  • 441 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.2
  • 5 MP
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA
Performance

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

Performance — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
Processor CPU
  • Quad-core 2.5 GHz Krait 400
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 330
Unknown
Antutu 7 score *
  • 36112
Unknown
GeekBench 4 Single Core *
  • 940
Unknown
GeekBench 4 Multi-Core *
  • 2222
Unknown
GeekBench 4 RenderScript *
  • 2614
Unknown
General specs
General specs — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
Release date
  • 2014
  • June. Released 2014
  • June
  • 2014
  • July
Colors
  • White
  • Red
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 420 EUR
  • 50 EUR
Battery life
  • Stand by time- Up to 504 h (3G) Talking time- Up to 26 h 40 min (3G)
  • Stand by time- Up to 300 h
Communication and Connectivity
Communication and Connectivity — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - for India
  • Hong Kong HSDPA 850 / 900 / 2100 - SEA TD-SCDMA - Hong Kong -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 28(700) - SEA LTE band 1(2100)
  • 41(2500) - India LTE band 3(1800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Hong Kong
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 2.0
Harmful irradiation
  • SAR - 0.76 W/kg (head) 0.32 W/kg (body)
  • SAR EU - 0.79 W/kg (head)
Music and Audio
Music and Audio — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One E8, Smart A12 Star.
SpecificationOne E8Smart A12 Star
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging (Quick Charge 2.0) - Also known as HTC One (E8) Ace
  • HTC ONE (E8) dual sim
  • Sensors Accelerometer
  • proximity