HTC U Ultra vs Sony Ericsson WT18i

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

    WT18i: 60 g lighter

    U Ultra:
    170 g
    WT18i:
    110 g
  • Width

    WT18i: 23.3 mm narrower

    U Ultra:
    79.8 mm
    WT18i:
    56.5 mm
  • Screen diagonal

    WT18i: 2.5 in smaller diagonal

    U Ultra:
    5.7 in
    WT18i:
    3.2 in
  • Depth

    U Ultra: 6.3 mm thinner

    U Ultra:
    8 mm
    WT18i:
    14.3 mm
  • Height

    WT18i: 56.4 mm shorter

    U Ultra:
    162.4 mm
    WT18i:
    106 mm
  • Release year

    U Ultra:
    2017
    WT18i:
    2011

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. U Ultra

    Height:
    162.4 mm +56.4 mm versus WT18i
    Width:
    79.8 mm +23.3 mm versus WT18i
    Depth:
    8 mm
  2. 2. WT18i

    Height:
    106 mm
    Width:
    56.5 mm
    Depth:
    14.3 mm +6.3 mm versus U Ultra

Weight

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

  1. 1. U Ultra

    170 g

    +60 g versus WT18i

  2. 2. WT18i

    110 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. U Ultra

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. WT18i

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

U Ultra has approximately 193.7% more rectangular screen area than WT18i.

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.

U Ultra: Original memory entry

64/128 GB · 512GB 4GB

WT18i: Original memory entry

150 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. U Ultra

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. WT18i

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. U Ultra

    3000 mAh

    +1800 mAh versus WT18i

  2. 2. WT18i

    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. U Ultra2. WT18i

Everyday essentials
Everyday essentials — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 106 Х 56.5 Х 14.3 mm
Weight
  • 170 g
  • 110 g
Technology
  • Super LCD5
  • TFT
Screen size
  • 5.7" inch
  • 3.2" inch
Screen resolution
  • 1440 x 2560 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 150 MB
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.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android-based
  • OMS 2.5
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 90.3 cm2
  • 30.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 69.7%
  • 50.9%
PPI /points per inch/
  • 513 PPI
  • 180 PPI
Screen protection
  • Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
Rear camera, main
  • 12 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 3.15 MP
Functions
  • Auto-HDR
Unknown
Video
  • 1080p@30fps
  • 480p@24fps
Front camera, selfie
  • 16 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 16 MP
Unknown
Performance

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

Performance — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • 806 MHz
  • Marvell PXA 920
Graphics processor GPU
  • Adreno 530
Unknown
Antutu 7 score *
  • 168385
Unknown
GeekBench 4 Single Core *
  • 1662
Unknown
GeekBench 4 Multi-Core *
  • 3920
Unknown
GeekBench 4 RenderScript *
  • 7174
Unknown
GeekBench 5 Single Core *
  • 302
Unknown
GeekBench 5 Multi-Core *
  • 795
Unknown
General specs
General specs — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
Release date
  • 2017
  • January
  • 2011
  • May
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
  • Stand by time- Up to 200 h (2G) / Up to 200 h (3G) Talking time- Up to 6 h (2G) / Up to 6 h (3G)
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
SIM card
  • 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 -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)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 Mbps
  • HSPA 2.8/2 Mbps
GPRS
  • Yes
  • Up to 80 kbps
Edge
  • Yes
  • Up to 237 kbps
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for U Ultra, WT18i.
SpecificationU UltraWT18i
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note
  • Sensors Accelerometer
  • proximity
  • compass - Walkman player -MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -TrackID music recognition -Voice memo -Predictive text input - For China