O2 XDA Comet vs Spice Mi-450 Smartflo Ivory

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

    Mi-450 Smartflo Ivory: 15 g lighter

    XDA Comet:
    145 g
    Mi-450 Smartflo Ivory:
    130 g
  • Width

    XDA Comet: 10.5 mm narrower

    XDA Comet:
    58 mm
    Mi-450 Smartflo Ivory:
    68.5 mm
  • Screen diagonal

    XDA Comet: 1.8 in smaller diagonal

    XDA Comet:
    2.7 in
    Mi-450 Smartflo Ivory:
    4.5 in
  • Depth

    Mi-450 Smartflo Ivory: 7.9 mm thinner

    XDA Comet:
    19 mm
    Mi-450 Smartflo Ivory:
    11.1 mm
  • Height

    XDA Comet: 25.7 mm shorter

    XDA Comet:
    106 mm
    Mi-450 Smartflo Ivory:
    131.7 mm
  • Release year

    XDA Comet:
    2007
    Mi-450 Smartflo Ivory:
    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. XDA Comet

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    19 mm +7.9 mm versus Mi-450 Smartflo Ivory
  2. 2. Mi-450 Smartflo Ivory

    Height:
    131.7 mm +25.7 mm versus XDA Comet
    Width:
    68.5 mm +10.5 mm versus XDA Comet
    Depth:
    11.1 mm

Weight

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

  1. 1. XDA Comet

    145 g

    +15 g versus Mi-450 Smartflo Ivory

  2. 2. Mi-450 Smartflo Ivory

    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. XDA Comet

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. Mi-450 Smartflo Ivory

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

Mi-450 Smartflo Ivory has approximately 155.3% more rectangular screen area than XDA Comet.

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.

XDA Comet: Original memory entry

64 MB RAM · 1 GB 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. XDA Comet

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

2. Mi-450 Smartflo Ivory

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. XDA Comet2. Mi-450 Smartflo Ivory

Everyday essentials
Everyday essentials — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
Dimensions (HxWxD)
  • 106 Х 58 Х 19 mm
  • 131.7 Х 68.5 Х 11.1 mm
Weight
  • 145 g
  • 130 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 1 GB ROM
Unknown
Memory card support
  • miniSD
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Mediatek MT6517
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 22.6 cm2
  • 57.6 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 36.7%
  • 63.9%
PPI /points per inch/
  • 148 PPI
  • 207 PPI
Camera and Video
Camera and Video — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA videocall camera
  • 1.3 MP
Performance
Performance — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
Processor CPU
  • Intel XScale PXA 270 620 MHz
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
General specs
General specs — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
Release date
  • 2007
  • September
  • 2013
  • May
Colors
  • Silver
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Class 10
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
GPS
  • No
  • A-GPS only
USB
  • miniUSB
  • microUSB
Bluetooth
  • 1.2
  • Yes
Music and Audio
Music and Audio — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Comet, Mi-450 Smartflo Ivory.
SpecificationXDA CometMi-450 Smartflo Ivory
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player
  • Sensors Accelerometer