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HTC U11 vs Panasonic T21

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

    T21: 49 g lighter

    U11:
    169 g
    T21:
    120 g
  • Width

    T21: 12.4 mm narrower

    U11:
    75.9 mm
    T21:
    63.5 mm
  • Screen diagonal

    T21: 1.5 in smaller diagonal

    U11:
    5.5 in
    T21:
    4 in
  • Chipset

    U11:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
    T21:
    Mediatek MT6589 (28 nm)
  • Depth

    U11: 1.3 mm thinner

    U11:
    7.9 mm
    T21:
    9.2 mm
  • Height

    T21: 41.3 mm shorter

    U11:
    153.9 mm
    T21:
    112.6 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

    Height:
    153.9 mm +41.3 mm versus T21
    Width:
    75.9 mm +12.4 mm versus T21
    Depth:
    7.9 mm
  2. 2. T21

    Height:
    112.6 mm
    Width:
    63.5 mm
    Depth:
    9.2 mm +1.3 mm versus U11

Weight

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

  1. 1. U11

    169 g

    +49 g versus T21

  2. 2. T21

    120 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

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. T21

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

U11 has approximately 83.1% more rectangular screen area than T21.

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 U11, T21, compared at the same storage capacity.
StorageU11T21
4 GB Unknown 1 GB RAM
U11: Original memory entry

128 GB · 6 GB RAM 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. U11

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

2. T21

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. U11

    3000 mAh

    +1500 mAh versus T21

  2. 2. T21

    1500 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. U112. T21

Everyday essentials
Everyday essentials — specifications for U11, T21.
SpecificationU11T21
Dimensions (HxWxD)
  • 153.9 Х 75.9 Х 7.9 mm
  • 112.6 Х 63.5 Х 9.2 mm
Weight
  • 169 g
  • 120 g
Technology
  • Super LCD5
  • IPS LCD
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 1440 x 2560 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot) - dual SIM model only
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat)
  • upgradable to Android 8.0 (Oreo); Sense UI
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Mediatek MT6589 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for U11, T21.
SpecificationU11T21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 71.4%
  • 63.7%
PPI /points per inch/
  • 534 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video

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

Camera and Video — specifications for U11, T21.
SpecificationU11T21
Rear camera, main
  • 12 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 12 MP
  • f/1.7
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • 5-axis OIS
  • 5 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • VGA
DxOMark Main Score *
  • 90
Unknown
DxOMark Photo *
  • 90
Unknown
DxOMark Video *
  • 89
Unknown
Performance

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

Performance — specifications for U11, T21.
SpecificationU11T21
Processor CPU
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 540
  • PowerVR SGX544
Antutu 7 score *
  • 214359
Unknown
GeekBench 4 Single Core *
  • 1913
Unknown
GeekBench 4 Multi-Core *
  • 6333
Unknown
GeekBench 4 RenderScript *
  • 7938
Unknown
GeekBench 5 Single Core *
  • 382
Unknown
GeekBench 5 Multi-Core *
  • 1468
Unknown
General specs
General specs — specifications for U11, T21.
SpecificationU11T21
Release date
  • 2017
  • May
  • 2013
  • Q3
Colors
  • Amazing Silver
  • Sapphire Blue
  • Brilliant Black
  • Ice White
  • Solar Red
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 370 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 336 h (3G) Talking time- Up to 24 h 30 min (3G)
Unknown
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for U11, T21.
SpecificationU11T21
SIM card
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/75 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
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 (5.0 after SW update)
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for U11, T21.
SpecificationU11T21
Radio
  • No
  • No
Others
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for U11, T21.
SpecificationU11T21
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - IP67 dust/water resistant (up to 1m for 30 mins) - Also known as HTC U11 Dual SIM with dual-SIM card slots128GB/6GB (China
  • Taiwan
  • Malaysia
  • Singapore
  • India
  • Hong Kong
  • Russia
  • Saudi Arabia
  • Philippines)
  • Sensors Accelerometer
  • proximity
  • compass