HTC U Ultra vs HTC Windows Phone 8X

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

    Windows Phone 8X: 40 g lighter

    U Ultra:
    170 g
    Windows Phone 8X:
    130 g
  • Width

    Windows Phone 8X: 13.6 mm narrower

    U Ultra:
    79.8 mm
    Windows Phone 8X:
    66.2 mm
  • Screen diagonal

    Windows Phone 8X: 1.4 in smaller diagonal

    U Ultra:
    5.7 in
    Windows Phone 8X:
    4.3 in
  • Chipset

    U Ultra:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    Windows Phone 8X:
    Qualcomm MSM8960 Snapdragon S4 Plus
  • Depth

    U Ultra: 2.1 mm thinner

    U Ultra:
    8 mm
    Windows Phone 8X:
    10.1 mm
  • Height

    Windows Phone 8X: 30 mm shorter

    U Ultra:
    162.4 mm
    Windows Phone 8X:
    132.4 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. U Ultra

    Height:
    162.4 mm +30 mm versus Windows Phone 8X
    Width:
    79.8 mm +13.6 mm versus Windows Phone 8X
    Depth:
    8 mm
  2. 2. Windows Phone 8X

    Height:
    132.4 mm
    Width:
    66.2 mm
    Depth:
    10.1 mm +2.1 mm versus U Ultra

Weight

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

  1. 1. U Ultra

    170 g

    +40 g versus Windows Phone 8X

  2. 2. Windows Phone 8X

    130 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. Windows Phone 8X

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

U Ultra has approximately 75.7% more rectangular screen area than Windows Phone 8X.

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 U Ultra, Windows Phone 8X, compared at the same storage capacity.
StorageU UltraWindows Phone 8X
16 GB Unknown 1 GB RAM
U Ultra: Original memory entry

64/128 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. U Ultra

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

2. Windows Phone 8X

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

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

    +1200 mAh versus Windows Phone 8X

  2. 2. Windows Phone 8X

    1800 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. Windows Phone 8X

Everyday essentials
Everyday essentials — specifications for U Ultra, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 132.4 Х 66.2 Х 10.1 mm
Weight
  • 170 g
  • 130 g
Technology
  • Super LCD5
  • S-LCD2
Screen size
  • 5.7" inch
  • 4.3" inch
Screen resolution
  • 1440 x 2560 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 512GB 4GB
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1800 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Microsoft Windows Phone 8
  • upgradable to 8.1.1
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Qualcomm MSM8960 Snapdragon S4 Plus
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 90.3 cm2
  • 51.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.7%
  • 58.2%
PPI /points per inch/
  • 513 PPI
  • 342 PPI
Screen protection
  • Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for U Ultra, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
Rear camera, main
  • 12 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 8 MP
  • AF
Functions
  • Auto-HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • 16 MP
  • 2.1 MP
Performance

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

Performance — specifications for U Ultra, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Dual-core 1.5 GHz Krait
Graphics processor GPU
  • Adreno 530
  • Adreno 225
Antutu 7 score *
  • 168385
  • 4210
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, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
Release date
  • 2017
  • January
  • 2012
  • September
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • California Blue
  • Graphite black
  • Flame red
  • Limelight Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 170 EUR
Battery life
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
Unknown
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-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 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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 Mbps
  • HSPA
  • LTE Cat3 100/50 Mbps
  • EV-DO Rev.A 3.1 Mbps (LTE for AT&T version)
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.1
  • A2DP
  • EDR/ 4.0
  • LE after Amber update
Harmful irradiation Unknown
  • SAR - 0.59 W/kg (head) 0.32 W/kg (body)
Music and Audio
Music and Audio — specifications for U Ultra, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
Radio
  • No
  • FM radio
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Beats Audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for U Ultra, Windows Phone 8X.
SpecificationU UltraWindows Phone 8X
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 - OneDrive (15 GB cloud storage) -MP3/WAV/eAAC+/WMA player -MP4/H.264/WMV player -Document viewer/editor -Video/photo editor -Voice memo/command/dial -Predictive text input - Previously known as HTC Accord