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HTC U12 life vs O2 XDA Atom Exec

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.

  • WeightXDA Atom Exec: 35 g lighterXDA Atom Exec: 140 g · U12 life: 175 g
  • WidthXDA Atom Exec: 17.4 mm narrowerXDA Atom Exec: 58 mm · U12 life: 75.4 mm
  • Screen diagonalXDA Atom Exec: 3.3 in smaller diagonalXDA Atom Exec: 2.7 in · U12 life: 6 in
  • Rear camera layoutDual / SingleU12 life: Dual · XDA Atom Exec: Single
  • DepthU12 life: 10.2 mm thinnerU12 life: 8.3 mm · XDA Atom Exec: 18.5 mm
  • HeightXDA Atom Exec: 56.5 mm shorterXDA Atom Exec: 102 mm · U12 life: 158.5 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.

Front
U12 life: 158.5 × 75.4 mm 1 XDA Atom Exec: 102 × 58 mm 2
Side
U12 life: 158.5 × 8.3 mm 1 XDA Atom Exec: 102 × 18.5 mm 2
  1. 1. U12 life
    Height
    158.5 mm+56.5 mm versus XDA Atom Exec
    Width
    75.4 mm+17.4 mm versus XDA Atom Exec
    Depth
    8.3 mm
    Weight
    175 g
  2. 2. XDA Atom Exec
    Height
    102 mm
    Width
    58 mm
    Depth
    18.5 mm+10.2 mm versus U12 life
    Weight
    140 g
Weight

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

  1. 1. U12 life175 g

    +35 g versus XDA Atom Exec

  2. 2. XDA Atom Exec140 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.

Screen size
U12 life: 6 in, 18:9, About 92.9 cm² rectangular area 1 XDA Atom Exec: 2.7 in, 4:3, About 22.6 cm² rectangular area 2
  1. 1. U12 life 6 in · 18:9 About 92.9 cm² rectangular area
  2. 2. XDA Atom Exec 2.7 in · 4:3 About 22.6 cm² rectangular area

U12 life has approximately 311.5% more rectangular screen area than XDA Atom Exec.

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

XDA Atom Exec: Original memory entry

64 MB RAM · 192 MB ROM

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. XDA Atom Exec

NFC
Unknown
Headphone jack
No
Memory card support
See details miniSD

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. U12 life3600 mAh

    +2070 mAh versus XDA Atom Exec

  2. 2. XDA Atom Exec1530 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. XDA Atom Exec

Everyday essentials
Everyday essentials
SpecificationU12 lifeXDA Atom Exec
Dimensions (HxWxD)
  • 158.5 Х 75.4 Х 8.3 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 175 g
  • 140 g
Technology Unknown
  • TFT
Screen size
  • 6" inch
  • 2.7" inch
Screen resolution
  • 1080 x 2160 px
  • 240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 64 MB RAM
  • 192 MB ROM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • miniSD
BatteryCapacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display
SpecificationU12 lifeXDA Atom Exec
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 92.9 cm2
  • 22.6 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 77.7%
  • 38.2%
PPI /points per inch/
  • 402 PPI
  • 148 PPI
Camera and Video
Camera and Video
SpecificationU12 lifeXDA Atom Exec
Rear camera, main
  • 16 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 16 MP
  • f/2.0
  • PDAF -5 MP
  • depth sensor
  • 2 MP
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
  • f/2.0
Unknown
Performance
Performance
SpecificationU12 lifeXDA Atom Exec
Processor CPU
  • Octa-core 1.8 GHz Kryo 260
  • Intel XScale PXA 27x 520MHz
Graphics processor GPU
  • Adreno 509
Unknown
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 115437
Unknown
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 1350
Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 4989
Unknown
General specs
General specs
SpecificationU12 lifeXDA Atom Exec
Release date
  • 2018
  • August
  • 2006
  • June
Colors
  • Moonlight Blue
  • Twilight Purple
  • Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 310 EUR
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationU12 lifeXDA Atom Exec
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)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
Unknown
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 802.11b
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 1.2
Music and Audio
Music and Audio
SpecificationU12 lifeXDA Atom Exec
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features
SpecificationU12 lifeXDA Atom Exec
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player