T-Mobile Comet vs Vodafone Smart X9

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

    Comet: 50.9 g lighter

    Comet:
    102.1 g
    Smart X9:
    153 g
  • Width

    Comet: 15.4 mm narrower

    Comet:
    55.9 mm
    Smart X9:
    71.3 mm
  • Screen diagonal

    Comet: 2.9 in smaller diagonal

    Comet:
    2.8 in
    Smart X9:
    5.7 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Smart X9:
    Qualcomm SDM450 Snapdragon 450 (14 nm)
  • Depth

    Smart X9: 4.7 mm thinner

    Comet:
    12.7 mm
    Smart X9:
    8 mm
  • Height

    Comet: 44.1 mm shorter

    Comet:
    104.1 mm
    Smart X9:
    148.2 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. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +4.7 mm versus Smart X9
  2. 2. Smart X9

    Height:
    148.2 mm +44.1 mm versus Comet
    Width:
    71.3 mm +15.4 mm versus Comet
    Depth:
    8 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Smart X9

    153 g

    +50.9 g versus Comet

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. Comet

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Smart X9

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²

Smart X9 has approximately 245.3% more rectangular screen area than 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.

Recorded RAM for Comet, Smart X9, compared at the same storage capacity.
StorageCometSmart X9
32 GB Unknown 3 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. Comet

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

2. Smart X9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Comet

    1200 mAh

  2. 2. Smart X9

    3100 mAh

    +1900 mAh versus Comet

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. Comet2. Smart X9

Everyday essentials
Everyday essentials — specifications for Comet, Smart X9.
SpecificationCometSmart X9
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 148.2 Х 71.3 Х 8 mm
Weight
  • 102.1 g
  • 153 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.7" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3100 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 8.1 (Oreo)
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Comet, Smart X9.
SpecificationCometSmart X9
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 82.7 cm2
Screen format
  • 4:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 41.7%
  • 78.2%
PPI /points per inch/
  • 143 PPI
  • 427 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Comet, Smart X9.
SpecificationCometSmart X9
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • 16 MP
  • AF -5 MP
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
Performance

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

Performance — specifications for Comet, Smart X9.
SpecificationCometSmart X9
Processor CPU
  • 528 MHz ARM 11
  • Octa-core 1.8 GHz Cortex-A53
Graphics processor GPU
  • No
  • Adreno 506
Antutu 7 score * Unknown
  • 59232
General specs
General specs — specifications for Comet, Smart X9.
SpecificationCometSmart X9
Release date
  • 2010
  • November
  • 2018
  • December
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 110 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Comet, Smart X9.
SpecificationCometSmart X9
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE 800/900/1800/2100/2600 LTE 700/900/1800/2100/2600
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.40 W/kg (head) 1.23 W/kg (body)
Music and Audio
Music and Audio — specifications for Comet, Smart X9.
SpecificationCometSmart X9
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Comet, Smart X9.
SpecificationCometSmart X9
Dop
  • Sensors Accelerometer MP3/WMA/eAAC+ player -MP4/H.264 player -Organizer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input (Swype) For T-Mobile
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass