HTC First vs HTC U12 life

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

    First: 51.1 g lighter

    First:
    123.9 g
    U12 life:
    175 g
  • Width

    First: 10.4 mm narrower

    First:
    65 mm
    U12 life:
    75.4 mm
  • Screen diagonal

    First: 1.7 in smaller diagonal

    First:
    4.3 in
    U12 life:
    6 in
  • Chipset

    First:
    Qualcomm MSM8930 Snapdragon 400 (28 nm)
    U12 life:
    Qualcomm SDM636 Snapdragon 636 (14 nm)
  • Rear camera layout

    First:
    Single
    U12 life:
    Dual
  • Depth

    U12 life: 0.6 mm thinner

    First:
    8.9 mm
    U12 life:
    8.3 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. First

    Height:
    126 mm
    Width:
    65 mm
    Depth:
    8.9 mm +0.6 mm versus U12 life
  2. 2. U12 life

    Height:
    158.5 mm +32.5 mm versus First
    Width:
    75.4 mm +10.4 mm versus First
    Depth:
    8.3 mm

Weight

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

  1. 1. First

    123.9 g

  2. 2. U12 life

    175 g

    +51.1 g versus First

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. First

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²
  2. 2. U12 life

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

U12 life has approximately 82.3% more rectangular screen area than First.

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 First, U12 life, compared at the same storage capacity.
StorageFirstU12 life
16 GB 1 GB RAM Unknown
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. First

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

2. U12 life

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

    2000 mAh

  2. 2. U12 life

    3600 mAh

    +1600 mAh versus First

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. First2. U12 life

Everyday essentials
Everyday essentials — specifications for First, U12 life.
SpecificationFirstU12 life
Dimensions (HxWxD)
  • 126 Х 65 Х 8.9 mm
  • 158.5 Х 75.4 Х 8.3 mm
Weight
  • 123.9 g
  • 175 g
Technology
  • Super LCD
Unknown
Screen size
  • 4.3" inch
  • 6" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Non-removable Li-Po
  • 3600 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean); Facebook Home UI
  • Android 8.1 (Oreo)
Chipset
  • Qualcomm MSM8930 Snapdragon 400 (28 nm)
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for First, U12 life.
SpecificationFirstU12 life
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 51.0 cm2
  • 92.9 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 62.2%
  • 77.7%
PPI /points per inch/
  • 342 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for First, U12 life.
SpecificationFirstU12 life
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 16 MP
  • f/2.0
  • PDAF -5 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.6 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.6 MP
  • 13 MP
  • f/2.0
Performance

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

Performance — specifications for First, U12 life.
SpecificationFirstU12 life
Processor CPU
  • Dual-core 1.4 GHz Krait
  • Octa-core 1.8 GHz Kryo 260
Graphics processor GPU
  • Adreno 305
  • Adreno 509
Antutu 7 score *
  • 18456
  • 115437
GeekBench 4 Single Core * Unknown
  • 1350
GeekBench 4 Multi-Core * Unknown
  • 4989
General specs
General specs — specifications for First, U12 life.
SpecificationFirstU12 life
Release date
  • 2013
  • April
  • 2018
  • August
Colors
  • White
  • Black
  • Red
  • Pale Blue
  • Moonlight Blue
  • Twilight Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 300 EUR
Battery life
  • Stand by time- Up to 432 h Talking time- Up to 14 h 20 min
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for First, U12 life.
SpecificationFirstU12 life
SIM card
  • Micro-SIM
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - AT&T
  • 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)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for First, U12 life.
SpecificationFirstU12 life
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for First, U12 life.
SpecificationFirstU12 life
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W