Celkon A64 vs HTC U11 Eyes

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

    A64: 59.4 g lighter

    A64:
    125.6 g
    U11 Eyes:
    185 g
  • Width

    A64: 10 mm narrower

    A64:
    65 mm
    U11 Eyes:
    75 mm
  • Screen diagonal

    A64: 2 in smaller diagonal

    A64:
    4 in
    U11 Eyes:
    6 in
  • Depth

    U11 Eyes: 2 mm thinner

    A64:
    10.5 mm
    U11 Eyes:
    8.5 mm
  • Height

    A64: 33.9 mm shorter

    A64:
    124 mm
    U11 Eyes:
    157.9 mm
  • Release year

    A64:
    2014
    U11 Eyes:
    2018

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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +2 mm versus U11 Eyes
  2. 2. U11 Eyes

    Height:
    157.9 mm +33.9 mm versus A64
    Width:
    75 mm +10 mm versus A64
    Depth:
    8.5 mm

Weight

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

  1. 1. A64

    125.6 g

  2. 2. U11 Eyes

    185 g

    +59.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. U11 Eyes

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

U11 Eyes has approximately 95% more rectangular screen area than A64.

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.

A64: Original memory entry

512 MB · 256 MB RAM

U11 Eyes: Original memory entry

64 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. A64

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

2. U11 Eyes

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 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. A64

    1400 mAh

  2. 2. U11 Eyes

    3930 mAh

    +2530 mAh versus A64

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. A642. U11 Eyes

Everyday essentials
Everyday essentials — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 157.9 Х 75 Х 8.5 mm
Weight
  • 125.6 g
  • 185 g
Technology
  • TFT
  • Super LCD3
Screen size
  • 4" inch
  • 6" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3930 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 8.0 (Oreo); Sense UI
Chipset Unknown
  • Qualcomm MSM8976 Snapdragon 652 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 92.9 cm2
Screen format
  • 3:2 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 59.1%
  • 78.4%
PPI /points per inch/
  • 144 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 2 MP
  • 12 MP
  • f/1.7
  • 1.4 µm
  • OIS
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Dual
Specifications
  • VGA
  • 5 MP
  • f/2.2 5 MP
Performance

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

Performance — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
Processor CPU
  • Dual-core 1.2 GHz
  • Octa-core
Graphics processor GPU Unknown
  • Adreno 510
Antutu 7 score * Unknown
  • 85412
GeekBench 4 Single Core * Unknown
  • 628
GeekBench 4 Multi-Core * Unknown
  • 1856
General specs
General specs — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
Release date
  • 2014
  • 2018
  • January
Colors
  • White
  • Black
  • Black
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 400 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • 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)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
Radio
  • FM radio
  • No
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A64, U11 Eyes.
SpecificationA64U11 Eyes
Dop
  • Sensors Accelerometer
  • 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)