HTC U Ultra vs Sony Xperia X Compact

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

    Xperia X Compact: 35 g lighter

    U Ultra:
    170 g
    Xperia X Compact:
    135 g
  • Width

    Xperia X Compact: 14.8 mm narrower

    U Ultra:
    79.8 mm
    Xperia X Compact:
    65 mm
  • Screen diagonal

    Xperia X Compact: 1.1 in smaller diagonal

    U Ultra:
    5.7 in
    Xperia X Compact:
    4.6 in
  • Chipset

    U Ultra:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    Xperia X Compact:
    Qualcomm MSM8956 Snapdragon 650
  • Depth

    U Ultra: 1.5 mm thinner

    U Ultra:
    8 mm
    Xperia X Compact:
    9.5 mm
  • Height

    Xperia X Compact: 33.4 mm shorter

    U Ultra:
    162.4 mm
    Xperia X Compact:
    129 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 +33.4 mm versus Xperia X Compact
    Width:
    79.8 mm +14.8 mm versus Xperia X Compact
    Depth:
    8 mm
  2. 2. Xperia X Compact

    Height:
    129 mm
    Width:
    65 mm
    Depth:
    9.5 mm +1.5 mm versus U Ultra

Weight

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

  1. 1. U Ultra

    170 g

    +35 g versus Xperia X Compact

  2. 2. Xperia X Compact

    135 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. Xperia X Compact

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

U Ultra has approximately 53.5% more rectangular screen area than Xperia X Compact.

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, Xperia X Compact, compared at the same storage capacity.
StorageU UltraXperia X Compact
32 GB Unknown 3 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. Xperia X Compact

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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

    +300 mAh versus Xperia X Compact

  2. 2. Xperia X Compact

    2700 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. Xperia X Compact

Everyday essentials
Everyday essentials — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
Dimensions (HxWxD)
  • 162.4 Х 79.8 Х 8 mm
  • 129 Х 65 Х 9.5 mm
Weight
  • 170 g
  • 135 g
Technology
  • Super LCD5
  • IPS LCD
Screen size
  • 5.7" inch
  • 4.6" 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
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 2700 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android 6.0.1 (Marshmallow)
  • upgradable to Android 8.0 (Oreo)
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Qualcomm MSM8956 Snapdragon 650
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 90.3 cm2
  • 58.3 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.7%
  • 69.6%
PPI /points per inch/
  • 513 PPI
  • 319 PPI
Screen protection
  • Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
Rear camera, main
  • 12 MP
  • Single
  • 23 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.3''
  • 1.55µm
  • OIS
  • PDAF & laser AF
  • 23 MP
  • f/2.0
  • 24mm (wide)
  • 1/2.3''
  • PDAF
Functions
  • Auto-HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16 MP
  • 5 MP
Performance

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

Performance — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72)
Graphics processor GPU
  • Adreno 530
  • Adreno 510
Antutu 7 score *
  • 168385
  • 77152
GeekBench 4 Single Core *
  • 1662
  • 1374
GeekBench 4 Multi-Core *
  • 3920
  • 3404
GeekBench 4 RenderScript *
  • 7174
  • 3835
GeekBench 5 Single Core *
  • 302
  • 271
GeekBench 5 Multi-Core *
  • 795
  • 811
General specs
General specs — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
Release date
  • 2017
  • January
  • 2016
  • September
Colors
  • Brilliant Black
  • Cosmetic Pink
  • Ice White
  • Sapphire Blue
  • White
  • Universe black
  • Mist blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)
  • Stand by time- Up to 710 h (2G) / Up to 750 h (3G) Talking time- Up to 11 h (2G) / Up to 14 h (3G)
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Nano-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 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - F5321 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - F5321
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
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/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS/ BDS (region dependent)
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector; USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • aptX
  • LE
Harmful irradiation Unknown
  • SAR - 0.66 W/kg (head) 0.72 W/kg (body) SAR EU - 1.08 W/kg (head) 1.25 W/kg (body)
Music and Audio
Music and Audio — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
Radio
  • No
  • FM radio
  • RDS
Others
  • Secondary display
  • 160 x 1040 pixels
  • 2 inches
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Triluminos display -X-Reality Engine
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for U Ultra, Xperia X Compact.
SpecificationU UltraXperia X Compact
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass
  • color spectrum - Fast battery charging (Quick Charge 3.0)