Allview X2 Xtreme vs Celkon A40

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: 77.9 g lighter

    X2 Xtreme:
    204.4 g
    A40:
    126.5 g
  • Width

    A40: 18 mm narrower

    X2 Xtreme:
    82 mm
    A40:
    64 mm
  • Screen diagonal

    A40: 2 in smaller diagonal

    X2 Xtreme:
    6 in
    A40:
    4 in
  • Depth

    X2 Xtreme: 1.2 mm thinner

    X2 Xtreme:
    9.6 mm
    A40:
    10.8 mm
  • Height

    A40: 37.8 mm shorter

    X2 Xtreme:
    164 mm
    A40:
    126.2 mm
  • Release year

    X2 Xtreme:
    2015
    A40:
    2014

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. X2 Xtreme

    Height:
    164 mm +37.8 mm versus A40
    Width:
    82 mm +18 mm versus A40
    Depth:
    9.6 mm
  2. 2. A40

    Height:
    126.2 mm
    Width:
    64 mm
    Depth:
    10.8 mm +1.2 mm versus X2 Xtreme

Weight

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

  1. 1. X2 Xtreme

    204.4 g

    +77.9 g versus A40

  2. 2. A40

    126.5 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. X2 Xtreme

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    99.2 cm²
  2. 2. A40

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

X2 Xtreme has approximately 117.9% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

X2 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 3 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. X2 Xtreme

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. A40

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. X2 Xtreme

    3500 mAh

    +2000 mAh versus A40

  2. 2. A40

    1500 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. X2 Xtreme2. A40

Everyday essentials
Everyday essentials — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
Dimensions (HxWxD)
  • 164 Х 82 Х 9.6 mm
  • 126.2 Х 64 Х 10.8 mm
Weight
  • 204.4 g
  • 126.5 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6" inch
  • 4" inch
Screen resolution
  • 1440 x 2560 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 3 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Mediatek MT6795 Helio X10 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 99.2 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 73.8%
  • 56.4%
PPI /points per inch/
  • 490 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
Rear camera, main
  • 24 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 24 MP
  • 1/2.3''
  • DTS HD sound -Active noise cancellation with dedicated mic
  • PDAF & laser AF
  • 5 MP
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Unknown
Video
  • 2160p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • AF
  • VGA
Performance

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

Performance — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Dual-core 1.3 GHz
Graphics processor GPU
  • PowerVR G6200
Unknown
Antutu 7 score *
  • 48960
Unknown
General specs
General specs — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
Release date
  • 2015
  • June
  • 2014
  • January
Colors
  • Gold
  • White
  • Yellow
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 490 EUR
Unknown
Battery life
  • Stand by time- Up to 350 h (3G) Talking time- Up to 12 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 7(2600)
  • 33(1900)
  • 38(2600)
  • 39(1900)
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
Music and Audio
Music and Audio — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
Radio
  • FM radio
  • recording
  • FM radio
Others
  • DTS sound -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for X2 Xtreme, A40.
SpecificationX2 XtremeA40
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity