HTC U12 life vs LG K4 (2017)

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

    K4 (2017): 37 g lighter

    U12 life:
    175 g
    K4 (2017):
    138 g
  • Width

    K4 (2017): 2.8 mm narrower

    U12 life:
    75.4 mm
    K4 (2017):
    72.6 mm
  • Screen diagonal

    K4 (2017): 1 in smaller diagonal

    U12 life:
    6 in
    K4 (2017):
    5 in
  • Chipset

    U12 life:
    Qualcomm SDM636 Snapdragon 636 (14 nm)
    K4 (2017):
    Qualcomm MSM8909 Snapdragon 210 (28 nm)
  • Rear camera layout

    U12 life:
    Dual
    K4 (2017):
    Single
  • Height

    K4 (2017): 13.8 mm shorter

    U12 life:
    158.5 mm
    K4 (2017):
    144.7 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 +13.8 mm versus K4 (2017)
    Width:
    75.4 mm +2.8 mm versus K4 (2017)
    Depth:
    8.3 mm
  2. 2. K4 (2017)

    Height:
    144.7 mm
    Width:
    72.6 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. U12 life

    175 g

    +37 g versus K4 (2017)

  2. 2. K4 (2017)

    138 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. K4 (2017)

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

U12 life has approximately 34.8% more rectangular screen area than K4 (2017).

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

K4 (2017): Original memory entry

8 GB/ 16 GB (AT&T · Cricket) · 1 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. U12 life

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

2. K4 (2017)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. U12 life

    3600 mAh

    +1100 mAh versus K4 (2017)

  2. 2. K4 (2017)

    2500 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. K4 (2017)

Everyday essentials
Everyday essentials — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
Dimensions (HxWxD)
  • 158.5 Х 75.4 Х 8.3 mm
  • 144.7 Х 72.6 Х 7.9 mm
Weight
  • 175 g
  • 138 g
Technology Unknown
  • IPS LCD
Screen size
  • 6" inch
  • 5" inch
Screen resolution
  • 1080 x 2160 px
  • 480 x 854 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
  • 8 GB/ 16 GB (AT&T
  • Cricket)
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 6.0.1 (Marshmallow)
Chipset
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 69.6 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 77.7%
  • 66.3%
PPI /points per inch/
  • 402 PPI
  • 195 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
Rear camera, main
  • 16 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF -5 MP
  • depth sensor
  • 5 MP
  • AF
  • f/2.6
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 13 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • 5 MP
  • f/2.7
Performance

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

Performance — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
Processor CPU
  • Octa-core 1.8 GHz Kryo 260
  • Quad-core 1.1 GHz Cortex-A7
Graphics processor GPU
  • Adreno 509
  • Adreno 304
Antutu 7 score *
  • 115437
  • 17326
GeekBench 4 Single Core *
  • 1350
Unknown
GeekBench 4 Multi-Core *
  • 4989
Unknown
General specs
General specs — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
Release date
  • 2018
  • August
  • 2016
  • December
Colors
  • Moonlight Blue
  • Twilight Purple
  • Black
  • Titan
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 120 EUR
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
SIM card
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
Radio
  • No
  • FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for U12 life, K4 (2017).
SpecificationU12 lifeK4 (2017)
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Sensors Accelerometer
  • proximity - Also known as LG K4 M160
  • LG Phoenix 3 (АТ&Т)
  • LG Fortune (Cricket Wireless)