Celkon A40 vs Xiaomi Redmi Note 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

    A40: 58.5 g lighter

    A40:
    126.5 g
    Redmi Note Prime:
    185 g
  • Width

    A40: 14.7 mm narrower

    A40:
    64 mm
    Redmi Note Prime:
    78.7 mm
  • Screen diagonal

    A40: 1.5 in smaller diagonal

    A40:
    4 in
    Redmi Note Prime:
    5.5 in
  • Depth

    Redmi Note Prime: 1.4 mm thinner

    A40:
    10.8 mm
    Redmi Note Prime:
    9.4 mm
  • Height

    A40: 27.8 mm shorter

    A40:
    126.2 mm
    Redmi Note Prime:
    154 mm
  • Release year

    A40:
    2014
    Redmi Note Prime:
    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. A40

    Height:
    126.2 mm
    Width:
    64 mm
    Depth:
    10.8 mm +1.4 mm versus Redmi Note Prime
  2. 2. Redmi Note Prime

    Height:
    154 mm +27.8 mm versus A40
    Width:
    78.7 mm +14.7 mm versus A40
    Depth:
    9.4 mm

Weight

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

  1. 1. A40

    126.5 g

  2. 2. Redmi Note Prime

    185 g

    +58.5 g versus A40

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. A40

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

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

Redmi Note Prime has approximately 83.1% more rectangular screen area than A40.

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 A40, Redmi Note Prime, compared at the same storage capacity.
StorageA40Redmi Note Prime
16 GB Unknown 2 GB RAM
A40: 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. A40

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

2. Redmi Note Prime

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. A40

    1500 mAh

  2. 2. Redmi Note Prime

    3100 mAh

    +1600 mAh versus A40

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. A402. Redmi Note Prime

Everyday essentials
Everyday essentials — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 154 Х 78.7 Х 9.4 mm
Weight
  • 126.5 g
  • 185 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 3100 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.4.4 (KitKat); MIUI 9.2
Chipset Unknown
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
Touchscreen
  • 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
  • 56.4%
  • 68.8%
PPI /points per inch/
  • 233 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions Unknown
  • LED flash
  • HDR
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
Performance
Performance — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.2 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 306
General specs
General specs — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
Release date
  • 2014
  • January
  • 2015
  • December
Colors
  • White
  • Yellow
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 140 EUR
Battery life Unknown
  • Stand by time- Up to 775 h (3G) Talking time- Up to 38 h (3G) Music play - Up to 60 h
Communication and Connectivity
Communication and Connectivity — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
SIM card
  • Dual SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 850 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.50 W/kg (head)
Music and Audio
Music and Audio — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
Radio
  • FM radio
  • Stereo FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A40, Redmi Note Prime.
SpecificationA40Redmi Note Prime
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 30% in 30 min (Quick Charge 1.0)