Celkon A64 vs Xiaomi Mi 4c

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

    A64: 6.4 g lighter

    A64:
    125.6 g
    Mi 4c:
    132 g
  • Width

    A64: 4.6 mm narrower

    A64:
    65 mm
    Mi 4c:
    69.6 mm
  • Screen diagonal

    A64: 1 in smaller diagonal

    A64:
    4 in
    Mi 4c:
    5 in
  • Depth

    Mi 4c: 2.7 mm thinner

    A64:
    10.5 mm
    Mi 4c:
    7.8 mm
  • Height

    A64: 14.1 mm shorter

    A64:
    124 mm
    Mi 4c:
    138.1 mm
  • Release year

    A64:
    2014
    Mi 4c:
    2015

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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +2.7 mm versus Mi 4c
  2. 2. Mi 4c

    Height:
    138.1 mm +14.1 mm versus A64
    Width:
    69.6 mm +4.6 mm versus A64
    Depth:
    7.8 mm

Weight

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

  1. 1. A64

    125.6 g

  2. 2. Mi 4c

    132 g

    +6.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Mi 4c

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

Mi 4c has approximately 44.7% more rectangular screen area than A64.

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.

A64: Original memory entry

512 MB · 256 MB RAM

Mi 4c: Original memory entry

16 GB · 2 GB RAM32 GB · 3 GB 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. A64

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

2. Mi 4c

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

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. A64

    1400 mAh

  2. 2. Mi 4c

    3080 mAh

    +1680 mAh versus A64

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. A642. Mi 4c

Everyday essentials
Everyday essentials — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 138.1 Х 69.6 Х 7.8 mm
Weight
  • 125.6 g
  • 132 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 16 GB
  • 2 GB RAM32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 5.1.1 (Lollipop)
  • upgradable to 7.0 (Nougat); MIUI 10
Chipset Unknown
  • Qualcomm MSM8992 Snapdragon 808 (20 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.1%
  • 71.7%
PPI /points per inch/
  • 144 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • f/2.0
  • 24mm (wide)
  • 1/3''
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
Processor CPU
  • Dual-core 1.2 GHz
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 418
Antutu 7 score * Unknown
  • 67156
GeekBench 4 Single Core * Unknown
  • 1076
GeekBench 4 Multi-Core * Unknown
  • 2127
GeekBench 4 RenderScript * Unknown
  • 2425
GeekBench 4 Battery * Unknown
  • 973
GeekBench 5 Single Core * Unknown
  • 201
GeekBench 5 Multi-Core * Unknown
  • 480
General specs
General specs — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
Release date
  • 2014
  • 2015
  • September
Colors
  • White
  • Black
  • White
  • Grey
  • Pink
  • Yellow
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 210 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
SIM card
  • Dual SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA
  • 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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 4.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A64, Mi 4c.
SpecificationA64Mi 4c
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging: 40% in 60 min (Quick Charge 2.0)