T-Mobile Comet vs Xiaomi Mi Mix

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: 106.9 g lighter

    Comet:
    102.1 g
    Mi Mix:
    209 g
  • Width

    Comet: 26 mm narrower

    Comet:
    55.9 mm
    Mi Mix:
    81.9 mm
  • Screen diagonal

    Comet: 3.6 in smaller diagonal

    Comet:
    2.8 in
    Mi Mix:
    6.4 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Mi Mix:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Depth

    Mi Mix: 4.8 mm thinner

    Comet:
    12.7 mm
    Mi Mix:
    7.9 mm
  • Height

    Comet: 54.7 mm shorter

    Comet:
    104.1 mm
    Mi Mix:
    158.8 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 +4.8 mm versus Mi Mix
  2. 2. Mi Mix

    Height:
    158.8 mm +54.7 mm versus Comet
    Width:
    81.9 mm +26 mm versus Comet
    Depth:
    7.9 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Mi Mix

    209 g

    +106.9 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 Mix

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    17:9
    Approximate rectangular screen area:
    109.3 cm²

Mi Mix has approximately 350.1% 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 Mix: Original memory entry

256 GB · 6 GB RAM 128 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 Mix

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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 Mix

    4400 mAh

    +3200 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 Mix

Everyday essentials
Everyday essentials — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 158.8 Х 81.9 Х 7.9 mm
Weight
  • 102.1 g
  • 209 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.4" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2040 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 256 GB
  • 6 GB RAM 128 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 4400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 6.0 (Marshmallow)
  • upgradable to 8.0 (Oreo); MIUI 10
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 108.7 cm2
Screen format
  • 4:3 (height:width)
  • 17:9 (height:width)
Screen to body ratio
  • 41.7%
  • 83.6%
PPI /points per inch/
  • 143 PPI
  • 362 PPI
Camera and Video
Camera and Video — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • 16 MP
  • f/2.0
  • 1/3''
  • 1.0µm
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
Processor CPU
  • 528 MHz ARM 11
  • Quad-core (2x2.35 GHz Kryo & 2x2.19 GHz Kryo)
Graphics processor GPU
  • No
  • Adreno 530
Antutu 7 score * Unknown
  • 157822
GeekBench 4 Single Core * Unknown
  • 1749
GeekBench 4 Multi-Core * Unknown
  • 3882
GeekBench 4 RenderScript * Unknown
  • 6859
GeekBench 5 Single Core * Unknown
  • 335
GeekBench 5 Multi-Core * Unknown
  • 789
General specs
General specs — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
Release date
  • 2010
  • November
  • 2016
  • October
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 390 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Unknown
Body build Unknown
  • Front glass
  • ceramic frame
  • back
Communication and Connectivity
Communication and Connectivity — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
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 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 Mbps
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
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Comet, Mi Mix.
SpecificationCometMi Mix
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
  • barometer - Fast battery charging (Quick Charge 3.0)