Celkon Campus Colt A401 vs O2 XDA Terra

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

    XDA Terra: 5 mm narrower

    Campus Colt A401:
    64 mm
    XDA Terra:
    59 mm
  • Screen diagonal

    XDA Terra: 1.3 in smaller diagonal

    Campus Colt A401:
    4 in
    XDA Terra:
    2.7 in
  • Chipset

    Campus Colt A401:
    Spreadtrum SC7715
    XDA Terra:
    TI OMAP 850
  • Depth

    Campus Colt A401: 6.6 mm thinner

    Campus Colt A401:
    10.4 mm
    XDA Terra:
    17 mm
  • Height

    XDA Terra: 15.9 mm shorter

    Campus Colt A401:
    124.9 mm
    XDA Terra:
    109 mm
  • Release year

    Campus Colt A401:
    2014
    XDA Terra:
    2007

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. Campus Colt A401

    Height:
    124.9 mm +15.9 mm versus XDA Terra
    Width:
    64 mm +5 mm versus XDA Terra
    Depth:
    10.4 mm
    Weight:
    Unknown
  2. 2. XDA Terra

    Height:
    109 mm
    Width:
    59 mm
    Depth:
    17 mm +6.6 mm versus Campus Colt A401
    Weight:
    168 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. Campus Colt A401

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

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

Campus Colt A401 has approximately 101.7% more rectangular screen area than XDA Terra.

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.

Campus Colt A401: Original memory entry

4 GB · 512 MB RAM

XDA Terra: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Campus Colt A401

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

2. XDA Terra

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

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. Campus Colt A4012. XDA Terra

Everyday essentials
Everyday essentials — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
Dimensions (HxWxD)
  • 124.9 Х 64 Х 10.4 mm
  • 109 Х 59 Х 17 mm
Weight
  • 0 g
  • 168 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.7" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 0 mAh,
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Spreadtrum SC7715
  • TI OMAP 850
Headphone jack
  • Yes
  • No
Display
Display — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 45.5 cm2
  • 22.6 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 57.0%
  • 35.1%
PPI /points per inch/
  • 233 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • QCIF
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Performance
Performance — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
Processor CPU
  • 1.0 GHz
  • 200 MHz ARM926EJ-S
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
Release date
  • 2014
  • October
  • 2007
  • March
Colors
  • Black
  • White
  • Blue
  • Black
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • Yes
  • 384 kbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • No
USB
  • microUSB 2.0
  • 1.1
Bluetooth
  • 4.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.32 W/kg (head) 0.60 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Campus Colt A401, XDA Terra.
SpecificationCampus Colt A401XDA Terra
Dop
  • Sensors Accelerometer
  • proximity
  • Pocket Office -Voice memo -MP3/AAC player HTC Herald platform