T-Mobile Comet vs Xiaomi Mi 6

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: 65.9 g lighter

    Comet:
    102.1 g
    Mi 6:
    168 g
  • Width

    Comet: 14.6 mm narrower

    Comet:
    55.9 mm
    Mi 6:
    70.5 mm
  • Screen diagonal

    Comet: 2.35 in smaller diagonal

    Comet:
    2.8 in
    Mi 6:
    5.15 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Mi 6:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Rear camera layout

    Comet:
    Single
    Mi 6:
    Dual
  • Depth

    Mi 6: 5.2 mm thinner

    Comet:
    12.7 mm
    Mi 6:
    7.5 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 +5.2 mm versus Mi 6
  2. 2. Mi 6

    Height:
    145.2 mm +41.1 mm versus Comet
    Width:
    70.5 mm +14.6 mm versus Comet
    Depth:
    7.5 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Mi 6

    168 g

    +65.9 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 6

    Screen diagonal:
    5.15 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    73.1 cm²

Mi 6 has approximately 201.2% 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 6: Original memory entry

64/128 GB · 6 GB RAM 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 6

NFC:
Yes
Headphone jack:
No
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 6

    3350 mAh

    +2150 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 6

Everyday essentials
Everyday essentials — specifications for Comet, Mi 6.
SpecificationCometMi 6
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 145.2 Х 70.5 Х 7.5 mm
Weight
  • 102.1 g
  • 168 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.15" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 64/128 GB
  • 6 GB RAM 64 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
  • 3350 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 7.1.1 (Nougat); MIUI 8
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Comet, Mi 6.
SpecificationCometMi 6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 73.1 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 41.7%
  • 71.4%
PPI /points per inch/
  • 143 PPI
  • 428 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for Comet, Mi 6.
SpecificationCometMi 6
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/1.8
  • 27mm (wide)
  • 1/2.9''
  • 1.25µm
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • 1.0µm
  • AF
  • 2x optical zoom
Functions Unknown
  • Dual-LED dual-tone 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, Mi 6.
SpecificationCometMi 6
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU
  • No
  • Adreno 540
Antutu 7 score * Unknown
  • 205305
GeekBench 4 Single Core * Unknown
  • 1894
GeekBench 4 Multi-Core * Unknown
  • 6193
GeekBench 4 RenderScript * Unknown
  • 7657
Antutu 8 score * Unknown
  • 261141
GeekBench 4 Battery * Unknown
  • 3620
GeekBench 5 Single Core * Unknown
  • 368
GeekBench 5 Multi-Core * Unknown
  • 1463
General specs
General specs — specifications for Comet, Mi 6.
SpecificationCometMi 6
Release date
  • 2010
  • November
  • 2017
  • April
Colors
  • Black
  • Ceramic Black
  • Black
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 330 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Unknown
Body build Unknown
  • Front/back glass
  • stainless steel frame
Communication and Connectivity
Communication and Connectivity — specifications for Comet, Mi 6.
SpecificationCometMi 6
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)
  • 3(1800)
  • 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) Cat9 450/50 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
  • Wi-Fi Direct
  • DLNA
  • 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
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Comet, Mi 6.
SpecificationCometMi 6
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Comet, Mi 6.
SpecificationCometMi 6
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 (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0) - Splash resistant - For Global market