Karbonn Smart A12 Star vs Wiko U Feel Prime

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: 20 g lighter

    Smart A12 Star:
    130 g
    U Feel Prime:
    150 g
  • Width

    Smart A12 Star: 5.7 mm narrower

    Smart A12 Star:
    64.2 mm
    U Feel Prime:
    69.9 mm
  • Screen diagonal

    Smart A12 Star: 1 in smaller diagonal

    Smart A12 Star:
    4 in
    U Feel Prime:
    5 in
  • Depth

    U Feel Prime: 1.4 mm thinner

    Smart A12 Star:
    10.1 mm
    U Feel Prime:
    8.7 mm
  • Height

    Smart A12 Star: 18.3 mm shorter

    Smart A12 Star:
    124.2 mm
    U Feel Prime:
    142.5 mm
  • Release year

    Smart A12 Star:
    2014
    U Feel Prime:
    2016

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. Smart A12 Star

    Height:
    124.2 mm
    Width:
    64.2 mm
    Depth:
    10.1 mm +1.4 mm versus U Feel Prime
  2. 2. U Feel Prime

    Height:
    142.5 mm +18.3 mm versus Smart A12 Star
    Width:
    69.9 mm +5.7 mm versus Smart A12 Star
    Depth:
    8.7 mm

Weight

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

  1. 1. Smart A12 Star

    130 g

  2. 2. U Feel Prime

    150 g

    +20 g versus Smart A12 Star

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. Smart A12 Star

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

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

U Feel Prime 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.

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

Smart A12 Star: Original memory entry

4 GB · 512 MB RAM

U Feel Prime: Original memory entry

32 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Smart A12 Star

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

2. U Feel Prime

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (uses SIM 2 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. Smart A12 Star

    1400 mAh

  2. 2. U Feel Prime

    3000 mAh

    +1600 mAh versus Smart A12 Star

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. Smart A12 Star2. U Feel Prime

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 142.5 Х 69.9 Х 8.7 mm
Weight
  • 130 g
  • 150 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 64 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0.1 (Marshmallow)
Chipset Unknown
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 69.2%
PPI /points per inch/
  • 233 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • 1/3''
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
Performance

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

Performance — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
Processor CPU
  • Dual-core 1.2 GHz
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 505
Antutu 7 score * Unknown
  • 39878
GeekBench 4 Single Core * Unknown
  • 663
GeekBench 4 Multi-Core * Unknown
  • 2594
General specs
General specs — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
Release date
  • 2014
  • July
  • 2016
  • September
Colors
  • Black
  • Silver
  • Anthracite
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h
  • Stand by time- Up to 450 h (3G) Talking time- Up to 21 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 -4G - LTE 800 / 1800 / 2100 / 2600
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.79 W/kg (head)
  • SAR EU - 0.99 W/kg (head) 0.80 W/kg (body)
Music and Audio
Music and Audio — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
Radio
  • FM radio
  • Stereo FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Smart A12 Star, U Feel Prime.
SpecificationSmart A12 StarU Feel Prime
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - For Europe