Sendo X vs Spice Stellar 439 (Mi-439)

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

    Stellar 439 (Mi-439): 6.2 g lighter

    X:
    120 g
    Stellar 439 (Mi-439):
    113.8 g
  • Width

    X: 14 mm narrower

    X:
    49 mm
    Stellar 439 (Mi-439):
    63 mm
  • Screen diagonal

    X: 1.8 in smaller diagonal

    X:
    2.2 in
    Stellar 439 (Mi-439):
    4 in
  • Chipset

    X:
    TI OMAP 5910
    Stellar 439 (Mi-439):
    Mediatek MT6572M (28 nm)
  • Depth

    Stellar 439 (Mi-439): 13 mm thinner

    X:
    23 mm
    Stellar 439 (Mi-439):
    10 mm
  • Height

    X: 15 mm shorter

    X:
    110 mm
    Stellar 439 (Mi-439):
    125 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. X

    Height:
    110 mm
    Width:
    49 mm
    Depth:
    23 mm +13 mm versus Stellar 439 (Mi-439)
  2. 2. Stellar 439 (Mi-439)

    Height:
    125 mm +15 mm versus X
    Width:
    63 mm +14 mm versus X
    Depth:
    10 mm

Weight

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

  1. 1. X

    120 g

    +6.2 g versus Stellar 439 (Mi-439)

  2. 2. Stellar 439 (Mi-439)

    113.8 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. X

    X: Screen geometry unavailable or conflicting.

  2. 2. Stellar 439 (Mi-439)

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

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.

X: Original memory entry

32 MB

Stellar 439 (Mi-439): 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. X

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

2. Stellar 439 (Mi-439)

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

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. X

    1050 mAh

  2. 2. Stellar 439 (Mi-439)

    1400 mAh

    +350 mAh versus X

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. Stellar 439 (Mi-439)

Everyday essentials
Everyday essentials — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
Dimensions (HxWxD)
  • 110 Х 49 Х 23 mm
  • 125 Х 63 Х 10 mm
Weight
  • 120 g
  • 113.8 g
Technology
  • TFT
  • TFT
Screen size
  • 2.2" inch
  • 4" inch
Screen resolution
  • 176 x 220 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 4 GB
  • 512 MB RAM
Memory card support
  • MMC/SD
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Symbian 6.1
  • Series 60 v1.0 UI
  • Android 4.4.2 (KitKat)
Chipset
  • TI OMAP 5910
  • Mediatek MT6572M (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 15.2 cm2
  • 45.5 cm2
Screen format Unknown
  • 5:3 (height:width)
Screen to body ratio
  • 28.3%
  • 57.8%
PPI /points per inch/
  • 0 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
Rear camera, main
  • 0.3 MP
  • Single
  • 3.15 MP
  • Single
Camera specs Unknown
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • 720p@25fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
Processor CPU
  • 120 MHz ARM925T
  • Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
Release date
  • 2003
  • Q4
  • 2014
  • August
Colors Unknown
  • Brown
  • Silver
Battery life
  • Stand by time- Up to 170 h Talking time- Up to 7 h
  • Stand by time- Up to 58 h Talking time- Up to 5 h 30 min Music play - Up to 15 h
Communication and Connectivity
Communication and Connectivity — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 8
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 1.1
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.85 W/kg (head)
Music and Audio
Music and Audio — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
Radio
  • No
  • FM radio
Other features
Other features — specifications for X, Stellar 439 (Mi-439).
SpecificationXStellar 439 (Mi-439)
Dop
  • Infrared port - MP4/MP3 player -Sync ML
  • Sensors Accelerometer