T-Mobile Comet vs Xiaomi Mi 8 Explorer

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 74.9 g lighter

    Comet:
    102.1 g
    Mi 8 Explorer:
    177 g
  • Width

    Comet: 18.9 mm narrower

    Comet:
    55.9 mm
    Mi 8 Explorer:
    74.8 mm
  • Screen diagonal

    Comet: 3.41 in smaller diagonal

    Comet:
    2.8 in
    Mi 8 Explorer:
    6.21 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Mi 8 Explorer:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Comet:
    Single
    Mi 8 Explorer:
    Dual
  • Depth

    Mi 8 Explorer: 5.1 mm thinner

    Comet:
    12.7 mm
    Mi 8 Explorer:
    7.6 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 +5.1 mm versus Mi 8 Explorer
  2. 2. Mi 8 Explorer

    Height:
    154.9 mm +50.8 mm versus Comet
    Width:
    74.8 mm +18.9 mm versus Comet
    Depth:
    7.6 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Mi 8 Explorer

    177 g

    +74.9 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Comet

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Mi 8 Explorer

    Mi 8 Explorer: Screen geometry unavailable or conflicting.

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, Mi 8 Explorer, compared at the same storage capacity.
StorageCometMi 8 Explorer
128 GB Unknown 8 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. Mi 8 Explorer

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 8 Explorer

    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 8 Explorer

Everyday essentials
Everyday essentials — specifications for Comet, Mi 8 Explorer.
SpecificationCometMi 8 Explorer
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 154.9 Х 74.8 Х 7.6 mm
Weight
  • 102.1 g
  • 177 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.8" inch
  • 6.21" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2248 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 128 GB
  • 8 GB RAM
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
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Comet, Mi 8 Explorer.
SpecificationCometMi 8 Explorer
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 97.1 cm2
Screen format
  • 4:3 (height:width)
Unknown
Screen to body ratio
  • 41.7%
  • 83.8%
PPI /points per inch/
  • 143 PPI
  • 0 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Comet, Mi 8 Explorer.
SpecificationCometMi 8 Explorer
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
Functions Unknown
  • Dual-LED flash
  • HDR
  • panorama
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • 20 MP
  • f/2.0
  • 0.9μm
Performance
Performance — specifications for Comet, Mi 8 Explorer.
SpecificationCometMi 8 Explorer
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • No
  • Adreno 630
General specs
General specs — specifications for Comet, Mi 8 Explorer.
SpecificationCometMi 8 Explorer
Release date
  • 2010
  • November
  • 2018
  • May
Colors
  • Black
  • Black (transparent back)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 500 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Unknown
Body build Unknown
  • Front/back glass
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Comet, Mi 8 Explorer.
SpecificationCometMi 8 Explorer
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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 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
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 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 8 Explorer.
SpecificationCometMi 8 Explorer
Radio
  • FM radio
  • No
Others Unknown
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Comet, Mi 8 Explorer.
SpecificationCometMi 8 Explorer
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 Face ID
  • fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+) - For China