Samsung i400 vs ZTE Open

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

    i400: 12 mm narrower

    i400:
    50 mm
    Open:
    62 mm
  • Screen diagonal

    i400: 1.2 in smaller diagonal

    i400:
    2.3 in
    Open:
    3.5 in
  • Chipset

    i400:
    TI OMAP 2430
    Open:
    Qualcomm MSM7225A Snapdragon S1
  • Depth

    Open: 3.3 mm thinner

    i400:
    15.8 mm
    Open:
    12.5 mm
  • Height

    i400: 13 mm shorter

    i400:
    101 mm
    Open:
    114 mm
  • Release year

    i400:
    2007
    Open:
    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. i400

    Height:
    101 mm
    Width:
    50 mm
    Depth:
    15.8 mm +3.3 mm versus Open
    Weight:
    92 g
  2. 2. Open

    Height:
    114 mm +13 mm versus i400
    Width:
    62 mm +12 mm versus i400
    Depth:
    12.5 mm
    Weight:
    Unknown

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. i400

    Screen diagonal:
    2.3 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    16.4 cm²
  2. 2. Open

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Open has approximately 122.7% more rectangular screen area than i400.

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.

i400: Original memory entry

40 MB

Open: Original memory entry

512 MB ROM · 256 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. i400

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. Open

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. i4002. Open

Everyday essentials
Everyday essentials — specifications for i400, Open.
Specificationi400Open
Dimensions (HxWxD)
  • 101 Х 50 Х 15.8 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 92 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 2.3" inch
  • 3.5" inch
Screen resolution
  • 320 x 240 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 40 MB
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Firefox OS 1.0
Chipset
  • TI OMAP 2430
  • Qualcomm MSM7225A Snapdragon S1
Headphone jack
  • No
  • Yes
Display
Display — specifications for i400, Open.
Specificationi400Open
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 16.4 cm2
  • 36.5 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 32.4%
  • 51.6%
PPI /points per inch/
  • 174 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for i400, Open.
Specificationi400Open
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance

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

Performance — specifications for i400, Open.
Specificationi400Open
Processor CPU
  • 330 MHz ARM 1136
  • 1.0 GHz Cortex-A5
Graphics processor GPU
  • PowerVR MBX
  • Adreno 200
Antutu 7 score * Unknown
  • 1456
General specs
General specs — specifications for i400, Open.
Specificationi400Open
Release date
  • 2007
  • April
  • 2013
  • February
Colors
  • Black
  • Red
  • Blue
  • Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for i400, Open.
Specificationi400Open
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
GPS
  • No
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR - 0.21 W/kg (head) 0.26 W/kg (body) SAR EU - 0.20 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i400, Open.
Specificationi400Open
Radio
  • No
  • Stereo FM radio
Others
  • Dual speaker
Unknown
Other features
Other features — specifications for i400, Open.
Specificationi400Open
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Predictive text input -Voice memo/command -Organizer
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input