Celkon 2GB Xpress vs Xiaomi Mi 4i

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.

  • Width

    2GB Xpress: 3.1 mm narrower

    2GB Xpress:
    66.5 mm
    Mi 4i:
    69.6 mm
  • Screen diagonal

    2GB Xpress: 0.5 in smaller diagonal

    2GB Xpress:
    4.5 in
    Mi 4i:
    5 in
  • Chipset

    2GB Xpress:
    Spreadtrum 7731
    Mi 4i:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    Mi 4i: 2.3 mm thinner

    2GB Xpress:
    10.1 mm
    Mi 4i:
    7.8 mm
  • Height

    2GB Xpress: 4.6 mm shorter

    2GB Xpress:
    133.5 mm
    Mi 4i:
    138.1 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. 2GB Xpress

    Height:
    133.5 mm
    Width:
    66.5 mm
    Depth:
    10.1 mm +2.3 mm versus Mi 4i
  2. 2. Mi 4i

    Height:
    138.1 mm +4.6 mm versus 2GB Xpress
    Width:
    69.6 mm +3.1 mm versus 2GB Xpress
    Depth:
    7.8 mm

Weight

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

  1. 1. 2GB Xpress

    134 g

    +4 g versus Mi 4i

  2. 2. Mi 4i

    130 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. 2GB Xpress

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. Mi 4i

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

Mi 4i has approximately 19.6% more rectangular screen area than 2GB Xpress.

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 2GB Xpress, Mi 4i, compared at the same storage capacity.
Storage2GB XpressMi 4i
16 GB Recorded for all phones 2 GB RAM 2 GB RAM
32 GB Not recorded 2 GB 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. 2GB Xpress

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

2. Mi 4i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. 2GB Xpress

    1500 mAh

  2. 2. Mi 4i

    3120 mAh

    +1620 mAh versus 2GB Xpress

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. 2GB Xpress2. Mi 4i

Everyday essentials
Everyday essentials — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
Dimensions (HxWxD)
  • 133.5 Х 66.5 Х 10.1 mm
  • 138.1 Х 69.6 Х 7.8 mm
Weight
  • 134 g
  • 130 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 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.
  • 16 GB
  • 2 GB RAM
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 5.0 (Lollipop)
  • Android 5.0.2 (Lollipop); MIUI 8.2
Chipset
  • Spreadtrum 7731
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.9%
  • 71.7%
PPI /points per inch/
  • 207 PPI
  • 441 PPI
Screen protection Unknown
  • Corning scratch-resistant glass
Camera and Video
Camera and Video — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
  • 480p@120fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
  • f/1.8
Performance

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

Performance — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Adreno 405
Antutu 7 score * Unknown
  • 40156
GeekBench 4 Single Core * Unknown
  • 617
GeekBench 4 Multi-Core * Unknown
  • 1374
GeekBench 4 RenderScript * Unknown
  • 1404
General specs
General specs — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
Release date
  • 2015
  • July
  • 2015
  • April
Colors
  • Black
  • Dark Gray
  • Black
  • White
  • Yellow
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life Unknown
  • Talking time- Up to 35 h (3G)
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
SIM card
  • Dual SIM
  • Dual 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 -3G - HSDPA 850 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • 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/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • EDR
  • 4.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.29 W/kg (head)
Music and Audio
Music and Audio — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
Radio
  • FM radio
  • Stereo FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 2GB Xpress, Mi 4i.
Specification2GB XpressMi 4i
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 40% in 60 min (Quick Charge)