HTC One S 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.

  • Display technology

    OLED versus LCD

    One S:
    OLED
    A27 Retina:
    LCD
  • Weight

    One S: 7 g lighter

    One S:
    119.5 g
    A27 Retina:
    126.5 g
  • Width

    One S: 1 mm narrower

    One S:
    65 mm
    A27 Retina:
    66 mm
  • Depth

    One S: 1.3 mm thinner

    One S:
    7.8 mm
    A27 Retina:
    9.1 mm
  • Height

    One S: 2.7 mm shorter

    One S:
    130.9 mm
    A27 Retina:
    133.6 mm
  • Release year

    One S:
    2012
    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 S

    Height:
    130.9 mm
    Width:
    65 mm
    Depth:
    7.8 mm
  2. 2. A27 Retina

    Height:
    133.6 mm +2.7 mm versus One S
    Width:
    66 mm +1 mm versus One S
    Depth:
    9.1 mm +1.3 mm versus One S

Weight

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

  1. 1. One S

    119.5 g

  2. 2. A27 Retina

    126.5 g

    +7 g versus One S

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 S

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

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

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 S, A27 Retina, compared at the same storage capacity.
StorageOne SA27 Retina
16 GB 1 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 S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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 S

    1650 mAh

  2. 2. A27 Retina

    1800 mAh

    +150 mAh versus One S

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 S2. A27 Retina

Everyday essentials
Everyday essentials — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
Dimensions (HxWxD)
  • 130.9 Х 65 Х 7.8 mm
  • 133.6 Х 66 Х 9.1 mm
Weight
  • 119.5 g
  • 126.5 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 4.3" inch
  • 4.3" inch
Screen resolution
  • 540 x 960 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1650 mAh
  • Non-removable Li-Po
  • 1800 mAh
  • Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • upgradable to 4.1.1 (Jelly Bean); Sense UI
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm MSM8290
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 51.0 cm2
  • 51.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.9%
  • 57.8%
PPI /points per inch/
  • 256 PPI
  • 256 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • stereo sound rec.
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance

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

Performance — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
Processor CPU
  • Dual-core 1.5 GHz Krait
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 225
Unknown
Antutu 7 score *
  • 3200
Unknown
GeekBench 4 RenderScript *
  • 502
Unknown
General specs
General specs — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
Release date
  • 2012
  • February
  • 2013
  • March
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 160 EUR
Battery life
  • Stand by time- Up to 317 h Talking time- Up to 10 h 30 min
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
SIM card
  • Micro-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0 (MHL TV-out)
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • Yes
Harmful irradiation
  • SAR - 1.00 W/kg (head) 0.81 W/kg (body)
  • SAR EU - 1.00 W/kg (head)
Music and Audio
Music and Audio — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Beats Audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for One S, A27 Retina.
SpecificationOne SA27 Retina
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document viewer -Voice memo/dial -Predictive text input - Also available as HTC One S Special Edition in white color and 64 GB internal memory
  • Sensors Accelerometer