Celkon A66 vs HTC U12+

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

    A66: 90 g lighter

    A66:
    98 g
    U12+:
    188 g
  • Width

    A66: 6.7 mm narrower

    A66:
    67.2 mm
    U12+:
    73.9 mm
  • Screen diagonal

    A66: 1.5 in smaller diagonal

    A66:
    4.5 in
    U12+:
    6 in
  • Rear camera layout

    A66:
    Single
    U12+:
    Dual
  • Depth

    U12+: 2.3 mm thinner

    A66:
    11 mm
    U12+:
    8.7 mm
  • Height

    A66: 20.6 mm shorter

    A66:
    136 mm
    U12+:
    156.6 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. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +2.3 mm versus U12+
  2. 2. U12+

    Height:
    156.6 mm +20.6 mm versus A66
    Width:
    73.9 mm +6.7 mm versus A66
    Depth:
    8.7 mm

Weight

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

  1. 1. A66

    98 g

  2. 2. U12+

    188 g

    +90 g versus A66

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. A66

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. U12+

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²

U12+ has approximately 66.4% more rectangular screen area than A66.

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 A66, U12+, compared at the same storage capacity.
StorageA66U12+
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
A66: 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. A66

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

2. U12+

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 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. A66

    2000 mAh

  2. 2. U12+

    3500 mAh

    +1500 mAh versus A66

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. A662. U12+

Everyday essentials
Everyday essentials — specifications for A66, U12+.
SpecificationA66U12+
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 156.6 Х 73.9 Х 8.7 mm
Weight
  • 98 g
  • 188 g
Technology
  • TFT
  • Super LCD6
Screen size
  • 4.5" inch
  • 6" inch
Screen resolution
  • 480 x 854 px
  • 1440 x 2880 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie); Sense UI
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A66, U12+.
SpecificationA66U12+
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 92.9 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 61.1%
  • 80.3%
PPI /points per inch/
  • 218 PPI
  • 537 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video

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

Camera and Video — specifications for A66, U12+.
SpecificationA66U12+
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF & laser AF
  • OIS -16 MP (12 MP effective)
  • f/2.6
  • 1.0µm
  • 2x optical zoom
  • AF
Functions
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Dual
Specifications
  • VGA
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm 8 MP
  • 1.12µm
DxOMark Main Score * Unknown
  • 103
DxOMark Photo * Unknown
  • 106
DxOMark Video * Unknown
  • 95
Performance

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

Performance — specifications for A66, U12+.
SpecificationA66U12+
Processor CPU
  • Dual-core 1.2 GHz
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
Antutu 7 score * Unknown
  • 275302
GeekBench 4 Single Core * Unknown
  • 2406
GeekBench 4 Multi-Core * Unknown
  • 8712
GeekBench 4 RenderScript * Unknown
  • 13476
GeekBench 5 Single Core * Unknown
  • 507
GeekBench 5 Multi-Core * Unknown
  • 2082
General specs
General specs — specifications for A66, U12+.
SpecificationA66U12+
Release date
  • 2014
  • 2018
  • May
Colors
  • White
  • Black
  • Translucent Blue
  • Ceramic Black
  • Flame red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 650 EUR
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 5 h
  • Talking time- Up to 24 h (3G)
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A66, U12+.
SpecificationA66U12+
SIM card
  • Dual SIM
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 49
  • 41(2500)
  • 66(1700/2100)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB
  • 3.1
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • aptX HD
  • LE
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A66, U12+.
SpecificationA66U12+
Radio
  • FM radio
  • No
Others Unknown
  • DCI-P3 -HDR10
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A66, U12+.
SpecificationA66U12+
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 35 min (Quick Charge 3.0) - IP68 dust/water proof (up to 1.5m for 30 mins) -Pressure-sensitive buttons