Celkon A40 vs ZTE Grand X 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

    A40: 19.5 g lighter

    A40:
    126.5 g
    Grand X Pro:
    146 g
  • Screen diagonal

    A40: 0.5 in smaller diagonal

    A40:
    4 in
    Grand X Pro:
    4.5 in
  • Depth

    Grand X Pro: 1.4 mm thinner

    A40:
    10.8 mm
    Grand X Pro:
    9.4 mm
  • Height

    A40: 6.4 mm shorter

    A40:
    126.2 mm
    Grand X Pro:
    132.6 mm
  • Release year

    A40:
    2014
    Grand X Pro:
    2013

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 Grand X Pro
  2. 2. Grand X Pro

    Height:
    132.6 mm +6.4 mm versus A40
    Width:
    64.4 mm
    Depth:
    9.4 mm

Weight

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

  1. 1. A40

    126.5 g

  2. 2. Grand X Pro

    146 g

    +19.5 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. Grand X Pro

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

Grand X Pro has approximately 22.6% 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, Grand X Pro, compared at the same storage capacity.
StorageA40Grand X Pro
4 GB Unknown 1 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. Grand X Pro

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. Grand X Pro

    2000 mAh

    +500 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. Grand X Pro

Everyday essentials
Everyday essentials — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 132.6 Х 64.4 Х 9.4 mm
Weight
  • 126.5 g
  • 146 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 4.5" 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
  • 4 GB
  • 1 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
  • 2000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Mediatek MT6577 (40 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.4%
  • 65.4%
PPI /points per inch/
  • 233 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance

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

Performance — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
Processor CPU
  • Dual-core 1.3 GHz
  • Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
Antutu 7 score * Unknown
  • 6392
General specs
General specs — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
Release date
  • 2014
  • January
  • 2013
  • March
Colors
  • White
  • Yellow
  • Blue
  • Black
  • Red
  • Blue
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 110 EUR
Battery life Unknown
  • Stand by time- Up to 500 h Talking time- Up to 11 h 15 min
Communication and Connectivity
Communication and Connectivity — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
SIM card
  • Dual SIM
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
Speed Unknown
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Up to 236.8 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.35 W/kg (head)
Music and Audio
Music and Audio — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
Radio
  • FM radio
  • To be confirmed
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A40, Grand X Pro.
SpecificationA40Grand X Pro
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity