HTC U11 Eyes vs Plum Sync 3.5

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

    Sync 3.5: 92 g lighter

    U11 Eyes:
    185 g
    Sync 3.5:
    93 g
  • Width

    Sync 3.5: 18.8 mm narrower

    U11 Eyes:
    75 mm
    Sync 3.5:
    56.2 mm
  • Screen diagonal

    Sync 3.5: 2.5 in smaller diagonal

    U11 Eyes:
    6 in
    Sync 3.5:
    3.5 in
  • Chipset

    U11 Eyes:
    Qualcomm MSM8976 Snapdragon 652 (28 nm)
    Sync 3.5:
    Mediatek MT6572M (28 nm)
  • Depth

    U11 Eyes: 1.3 mm thinner

    U11 Eyes:
    8.5 mm
    Sync 3.5:
    9.8 mm
  • Height

    Sync 3.5: 39.5 mm shorter

    U11 Eyes:
    157.9 mm
    Sync 3.5:
    118.4 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. U11 Eyes

    Height:
    157.9 mm +39.5 mm versus Sync 3.5
    Width:
    75 mm +18.8 mm versus Sync 3.5
    Depth:
    8.5 mm
  2. 2. Sync 3.5

    Height:
    118.4 mm
    Width:
    56.2 mm
    Depth:
    9.8 mm +1.3 mm versus U11 Eyes

Weight

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

  1. 1. U11 Eyes

    185 g

    +92 g versus Sync 3.5

  2. 2. Sync 3.5

    93 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. U11 Eyes

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. Sync 3.5

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

U11 Eyes has approximately 154.7% more rectangular screen area than Sync 3.5.

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.

U11 Eyes: Original memory entry

64 GB · 512GB 4GB

Sync 3.5: Original memory entry

512 MB · 256 MB RAM

Practical features

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

1. U11 Eyes

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

2. Sync 3.5

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. U11 Eyes

    3930 mAh

    +2580 mAh versus Sync 3.5

  2. 2. Sync 3.5

    1350 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. U11 Eyes2. Sync 3.5

Everyday essentials
Everyday essentials — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
Dimensions (HxWxD)
  • 157.9 Х 75 Х 8.5 mm
  • 118.4 Х 56.2 Х 9.8 mm
Weight
  • 185 g
  • 93 g
Technology
  • Super LCD3
  • TFT
Screen size
  • 6" inch
  • 3.5" inch
Screen resolution
  • 1080 x 2160 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3930 mAh
  • Non-removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.0 (Oreo); Sense UI
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8976 Snapdragon 652 (28 nm)
  • Mediatek MT6572M (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.9 cm2
  • 36.5 cm2
Screen format
  • 18:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 78.4%
  • 54.8%
PPI /points per inch/
  • 402 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
Rear camera, main
  • 12 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 12 MP
  • f/1.7
  • 1.4 µm
  • OIS
  • PDAF
  • 1.3 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Dual
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.2 5 MP
  • 1.3 MP
Performance

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

Performance — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
Processor CPU
  • Octa-core
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 510
  • Mali-400
Antutu 7 score *
  • 85412
Unknown
GeekBench 4 Single Core *
  • 628
Unknown
GeekBench 4 Multi-Core *
  • 1856
Unknown
General specs
General specs — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
Release date
  • 2018
  • January
  • 2014
  • August
Colors
  • Black
  • Red
  • Blue
  • Black
  • White
  • Red
  • Blue
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 780 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -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)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
Radio
  • No
  • FM radio
Others
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for U11 Eyes, Sync 3.5.
SpecificationU11 EyesSync 3.5
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - IP67 dust/water resistant (up to 1m for 30 mins)
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Sync 3.5 X350