HTC U12 life vs T-Mobile Comet

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: 72.9 g lighter

    U12 life:
    175 g
    Comet:
    102.1 g
  • Width

    Comet: 19.5 mm narrower

    U12 life:
    75.4 mm
    Comet:
    55.9 mm
  • Screen diagonal

    Comet: 3.2 in smaller diagonal

    U12 life:
    6 in
    Comet:
    2.8 in
  • Chipset

    U12 life:
    Qualcomm SDM636 Snapdragon 636 (14 nm)
    Comet:
    Qualcomm MSM7225 Snapdragon S1
  • Rear camera layout

    U12 life:
    Dual
    Comet:
    Single
  • Depth

    U12 life: 4.4 mm thinner

    U12 life:
    8.3 mm
    Comet:
    12.7 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. U12 life

    Height:
    158.5 mm +54.4 mm versus Comet
    Width:
    75.4 mm +19.5 mm versus Comet
    Depth:
    8.3 mm
  2. 2. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +4.4 mm versus U12 life

Weight

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

  1. 1. U12 life

    175 g

    +72.9 g versus Comet

  2. 2. Comet

    102.1 g

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. U12 life

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. Comet

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

U12 life has approximately 282.7% 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.

U12 life: Original memory entry

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. U12 life

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. Comet

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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. U12 life

    3600 mAh

    +2400 mAh versus Comet

  2. 2. Comet

    1200 mAh

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. U12 life2. Comet

Everyday essentials
Everyday essentials — specifications for U12 life, Comet.
SpecificationU12 lifeComet
Dimensions (HxWxD)
  • 158.5 Х 75.4 Х 8.3 mm
  • 104.1 Х 55.9 Х 12.7 mm
Weight
  • 175 g
  • 102.1 g
Technology Unknown
  • TFT
Screen size
  • 6" inch
  • 2.8" inch
Screen resolution
  • 1080 x 2160 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Unknown
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
  • Qualcomm MSM7225 Snapdragon S1
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for U12 life, Comet.
SpecificationU12 lifeComet
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 92.9 cm2
  • 24.3 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 77.7%
  • 41.7%
PPI /points per inch/
  • 402 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for U12 life, Comet.
SpecificationU12 lifeComet
Rear camera, main
  • 16 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF -5 MP
  • depth sensor
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • CIF
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for U12 life, Comet.
SpecificationU12 lifeComet
Processor CPU
  • Octa-core 1.8 GHz Kryo 260
  • 528 MHz ARM 11
Graphics processor GPU
  • Adreno 509
  • No
Antutu 7 score *
  • 115437
Unknown
GeekBench 4 Single Core *
  • 1350
Unknown
GeekBench 4 Multi-Core *
  • 4989
Unknown
General specs
General specs — specifications for U12 life, Comet.
SpecificationU12 lifeComet
Release date
  • 2018
  • August
  • 2010
  • November
Colors
  • Moonlight Blue
  • Twilight Purple
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 150 EUR
Battery life Unknown
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U12 life, Comet.
SpecificationU12 lifeComet
SIM card
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) -3G - HSDPA 850 / 900 / 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)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 40(2300)
  • 66(1700/2100)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for U12 life, Comet.
SpecificationU12 lifeComet
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for U12 life, Comet.
SpecificationU12 lifeComet
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • 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