Celkon A402 vs Xiaomi Redmi Pro

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

    A402: 70 g lighter

    A402:
    104 g
    Redmi Pro:
    174 g
  • Width

    A402: 12.2 mm narrower

    A402:
    64 mm
    Redmi Pro:
    76.2 mm
  • Screen diagonal

    A402: 1.5 in smaller diagonal

    A402:
    4 in
    Redmi Pro:
    5.5 in
  • Rear camera layout

    A402:
    Single
    Redmi Pro:
    Dual
  • Depth

    Redmi Pro: 2 mm thinner

    A402:
    10.2 mm
    Redmi Pro:
    8.2 mm
  • Height

    A402: 26 mm shorter

    A402:
    125.5 mm
    Redmi Pro:
    151.5 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. A402

    Height:
    125.5 mm
    Width:
    64 mm
    Depth:
    10.2 mm +2 mm versus Redmi Pro
  2. 2. Redmi Pro

    Height:
    151.5 mm +26 mm versus A402
    Width:
    76.2 mm +12.2 mm versus A402
    Depth:
    8.2 mm

Weight

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

  1. 1. A402

    104 g

  2. 2. Redmi Pro

    174 g

    +70 g versus A402

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. A402

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

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

Redmi Pro has approximately 83.1% more rectangular screen area than A402.

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.

A402: Original memory entry

4 GB · 512 MB RAM

Redmi Pro: Original memory entry

128 GB · 4 GB RAM - Exclusive edition32/64 GB · 3 GB RAM - other editions

Practical features

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

1. A402

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

2. Redmi Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A402

    2000 mAh

  2. 2. Redmi Pro

    4050 mAh

    +2050 mAh versus A402

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. A4022. Redmi Pro

Everyday essentials
Everyday essentials — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
Dimensions (HxWxD)
  • 125.5 Х 64 Х 10.2 mm
  • 151.5 Х 76.2 Х 8.2 mm
Weight
  • 104 g
  • 174 g
Technology Unknown
  • AMOLED
Screen size
  • 4" inch
  • 5.5" 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
  • 128 GB
  • 4 GB RAM - Exclusive edition32/64 GB
  • 3 GB RAM - other editions
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 4050 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0 (Marshmallow); MIUI 10
Chipset
  • Spreadtrum 7715
  • Mediatek MT6797T Helio X25 (20 nm) High & Exclusive editions -Mediatek MT6797 Helio X20 (20 nm) Standard edition
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.7%
  • 72.2%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 3.15 MP
  • 13 MP
  • f/2.0
  • PDAF -5 MP
  • depth sensor
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
Processor CPU
  • 1.2 GHz
  • Deca-core 2.5 GHz Exclusive edition -Deca-core 2.3 GHz High edition -Deca-core 2.1 GHz Standard edition
Graphics processor GPU
  • Mali-400
  • Mali-T880 MP4
GeekBench 4 Single Core * Unknown
  • 1648
GeekBench 4 Multi-Core * Unknown
  • 4014
GeekBench 4 RenderScript * Unknown
  • 3133
General specs
General specs — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
Release date
  • 2015
  • June
  • 2016
  • July
Colors
  • White
  • Black
  • Blue
  • Silver
  • Silver
  • Gold
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 170 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
Radio
  • FM radio
  • FM radio; recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A402, Redmi Pro.
SpecificationA402Redmi Pro
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port