Allview X1 Xtreme Mini vs Celkon A66

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: 41.2 g lighter

    X1 Xtreme Mini:
    139.2 g
    A66:
    98 g
  • Width

    X1 Xtreme Mini: 1.2 mm narrower

    X1 Xtreme Mini:
    66 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 0.2 in smaller diagonal

    X1 Xtreme Mini:
    4.7 in
    A66:
    4.5 in
  • Depth

    X1 Xtreme Mini: 0.7 mm thinner

    X1 Xtreme Mini:
    10.3 mm
    A66:
    11 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. X1 Xtreme Mini

    Height:
    137 mm
    Width:
    66 mm
    Depth:
    10.3 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm +1.2 mm versus X1 Xtreme Mini
    Depth:
    11 mm +0.7 mm versus X1 Xtreme Mini

Weight

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

  1. 1. X1 Xtreme Mini

    139.2 g

    +41.2 g versus A66

  2. 2. A66

    98 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. X1 Xtreme Mini

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. A66

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

X1 Xtreme Mini has approximately 9.1% 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 X1 Xtreme Mini, A66, compared at the same storage capacity.
StorageX1 Xtreme MiniA66
16 GB 2 GB RAM Unknown
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. X1 Xtreme Mini

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details panorama

2. A66

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. X1 Xtreme Mini

    2200 mAh

    +200 mAh versus A66

  2. 2. A66

    2000 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. X1 Xtreme Mini2. A66

Everyday essentials
Everyday essentials — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
Dimensions (HxWxD)
  • 137 Х 66 Х 10.3 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 139.2 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 4.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 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
  • panorama
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8274 Snapdragon 800 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 60.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.3%
  • 61.1%
PPI /points per inch/
  • 469 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
Rear camera, main
  • 16 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 16 MP
  • AF
  • 3.15 MP
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 24 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 24 MP
  • VGA
Performance

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

Performance — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
Processor CPU
  • Quad-core 2.15 GHz Krait 400
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 330
Unknown
Antutu 7 score *
  • 33878
Unknown
General specs
General specs — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
Release date
  • 2014
  • November
  • 2014
Colors
  • White
  • Green
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Battery life
  • Stand by time- Up to 220 h Talking time- Up to 11 h
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Music and Audio
Music and Audio — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
Radio
  • Super AMOLED
  • FM radio
Others
  • DTS sound -Yamaha Audio Amplifier -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for X1 Xtreme Mini, A66.
SpecificationX1 Xtreme MiniA66
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity