Celkon Win 400 vs Lenovo Vibe X2 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

    Win 400: 19.4 g lighter

    Win 400:
    120.6 g
    Vibe X2 Pro:
    140 g
  • Width

    Win 400: 6 mm narrower

    Win 400:
    65 mm
    Vibe X2 Pro:
    71 mm
  • Screen diagonal

    Win 400: 1.3 in smaller diagonal

    Win 400:
    4 in
    Vibe X2 Pro:
    5.3 in
  • Chipset

    Win 400:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
    Vibe X2 Pro:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    Vibe X2 Pro: 3.3 mm thinner

    Win 400:
    10.3 mm
    Vibe X2 Pro:
    7 mm
  • Height

    Win 400: 20.9 mm shorter

    Win 400:
    125.4 mm
    Vibe X2 Pro:
    146.3 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. Win 400

    Height:
    125.4 mm
    Width:
    65 mm
    Depth:
    10.3 mm +3.3 mm versus Vibe X2 Pro
  2. 2. Vibe X2 Pro

    Height:
    146.3 mm +20.9 mm versus Win 400
    Width:
    71 mm +6 mm versus Win 400
    Depth:
    7 mm

Weight

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

  1. 1. Win 400

    120.6 g

  2. 2. Vibe X2 Pro

    140 g

    +19.4 g versus Win 400

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. Win 400

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Vibe X2 Pro

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

Vibe X2 Pro has approximately 70% more rectangular screen area than Win 400.

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 Win 400, Vibe X2 Pro, compared at the same storage capacity.
StorageWin 400Vibe X2 Pro
32 GB Unknown 2 GB RAM
Win 400: 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. Win 400

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

2. Vibe X2 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. Win 400

    1500 mAh

  2. 2. Vibe X2 Pro

    2410 mAh

    +910 mAh versus Win 400

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. Win 4002. Vibe X2 Pro

Everyday essentials
Everyday essentials — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
Dimensions (HxWxD)
  • 125.4 Х 65 Х 10.3 mm
  • 146.3 Х 71 Х 7 mm
Weight
  • 120.6 g
  • 140 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5.3" 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
  • 32 GB
  • 2 GB RAM
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.
  • 1500 mAh
  • Li-Ion
  • 2410 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 4.4 (KitKat); Vibe UI 2
Chipset
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 77.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.9%
  • 74.6%
PPI /points per inch/
  • 233 PPI
  • 416 PPI
Camera and Video
Camera and Video — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.3 MP
  • 13 MP
  • AF
Performance

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

Performance — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 302
  • Adreno 405
Antutu 7 score * Unknown
  • 26745
General specs
General specs — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
Release date
  • 2014
  • November
  • 2015
  • January
Colors
  • Black
  • Champagne Gold
  • Rock Pink
  • Electric Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 330 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
SIM card
  • Dual SIM (dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • 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 b/g/n/ac
  • dual band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Win 400, Vibe X2 Pro.
SpecificationWin 400Vibe X2 Pro
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - Air gestures