T-Mobile Comet vs Xiaomi Mi 9 Lite

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: 76.9 g lighter

    Comet:
    102.1 g
    Mi 9 Lite:
    179 g
  • Width

    Comet: 18.6 mm narrower

    Comet:
    55.9 mm
    Mi 9 Lite:
    74.5 mm
  • Screen diagonal

    Comet: 3.59 in smaller diagonal

    Comet:
    2.8 in
    Mi 9 Lite:
    6.39 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Mi 9 Lite:
    Qualcomm SDM710 Snapdragon 710 (10 nm)
  • Rear camera layout

    Comet:
    Single
    Mi 9 Lite:
    Triple
  • Depth

    Mi 9 Lite: 4 mm thinner

    Comet:
    12.7 mm
    Mi 9 Lite:
    8.7 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 mm versus Mi 9 Lite
  2. 2. Mi 9 Lite

    Height:
    156.8 mm +52.7 mm versus Comet
    Width:
    74.5 mm +18.6 mm versus Comet
    Depth:
    8.7 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Mi 9 Lite

    179 g

    +76.9 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 9 Lite

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Mi 9 Lite has approximately 312.8% 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 9 Lite: Original memory entry

64GB 6GB RAM · 128GB 6GB RAM · UFS2.1

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 9 Lite

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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 9 Lite

    4030 mAh

    +2830 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 9 Lite

Everyday essentials
Everyday essentials — specifications for Comet, Mi 9 Lite.
SpecificationCometMi 9 Lite
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 156.8 Х 74.5 Х 8.7 mm
Weight
  • 102.1 g
  • 179 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 6.39" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • UFS2.1
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 4030 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Comet, Mi 9 Lite.
SpecificationCometMi 9 Lite
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 100.2 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 41.7%
  • 85.8%
PPI /points per inch/
  • 143 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Comet, Mi 9 Lite.
SpecificationCometMi 9 Lite
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 3.15 MP
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • (ultrawide) -2 MP
  • depth sensor
Functions Unknown
  • HDR
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 32 MP
  • Single
Specifications Unknown
  • 32 MP
  • f/2.0
  • 0.8µm
Performance

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

Performance — specifications for Comet, Mi 9 Lite.
SpecificationCometMi 9 Lite
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU
  • No
  • Adreno 616
Antutu 7 score * Unknown
  • 176214
Antutu 8 score * Unknown
  • 215686
GeekBench 5 Single Core * Unknown
  • 392
GeekBench 5 Multi-Core * Unknown
  • 1505
General specs
General specs — specifications for Comet, Mi 9 Lite.
SpecificationCometMi 9 Lite
Release date
  • 2010
  • November
  • 2019
  • September
Colors
  • Black
  • Black
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 260 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 9 Lite.
SpecificationCometMi 9 Lite
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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Comet, Mi 9 Lite.
SpecificationCometMi 9 Lite
Radio
  • FM radio
  • FM radio
Others Unknown
  • 600 nits -HDR
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Comet, Mi 9 Lite.
SpecificationCometMi 9 Lite
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 (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W