T-Mobile Comet vs Xiaomi Mi Play

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: 47.9 g lighter

    Comet:
    102.1 g
    Mi Play:
    150 g
  • Width

    Comet: 16 mm narrower

    Comet:
    55.9 mm
    Mi Play:
    71.9 mm
  • Screen diagonal

    Comet: 3.04 in smaller diagonal

    Comet:
    2.8 in
    Mi Play:
    5.84 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Mi Play:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    Comet:
    Single
    Mi Play:
    Dual
  • Depth

    Mi Play: 4.9 mm thinner

    Comet:
    12.7 mm
    Mi Play:
    7.8 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 +4.9 mm versus Mi Play
  2. 2. Mi Play

    Height:
    147.8 mm +43.7 mm versus Comet
    Width:
    71.9 mm +16 mm versus Comet
    Depth:
    7.8 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Mi Play

    150 g

    +47.9 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. Mi Play

    Screen diagonal:
    5.84 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    85.1 cm²

Mi Play has approximately 250.6% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Mi Play: Original memory entry

64 GB · 512GB 4GB

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. Mi Play

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Mi Play

    3000 mAh

    +1800 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. Mi Play

Everyday essentials
Everyday essentials — specifications for Comet, Mi Play.
SpecificationCometMi Play
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 147.8 Х 71.9 Х 7.8 mm
Weight
  • 102.1 g
  • 150 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.84" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Comet, Mi Play.
SpecificationCometMi Play
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 85.1 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 41.7%
  • 80.1%
PPI /points per inch/
  • 143 PPI
  • 432 PPI
Camera and Video
Camera and Video — specifications for Comet, Mi Play.
SpecificationCometMi Play
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/2.2
  • 1.25 µm
  • PDAF -Secondary camera
  • depth sensor
Functions Unknown
  • HDR
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, Mi Play.
SpecificationCometMi Play
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • No
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 86457
General specs
General specs — specifications for Comet, Mi Play.
SpecificationCometMi Play
Release date
  • 2010
  • November
  • 2018
  • December
Colors
  • Black
  • Dream Blue
  • Twilight Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 170 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, Mi Play.
SpecificationCometMi Play
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Comet, Mi Play.
SpecificationCometMi Play
Radio
  • FM radio
Unknown
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Comet, Mi Play.
SpecificationCometMi Play
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 - 5V/2A 10W charging