HTC One Max 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: 97 g lighter

    One Max:
    217 g
    T21:
    120 g
  • Width

    T21: 19 mm narrower

    One Max:
    82.5 mm
    T21:
    63.5 mm
  • Screen diagonal

    T21: 1.9 in smaller diagonal

    One Max:
    5.9 in
    T21:
    4 in
  • Chipset

    One Max:
    Qualcomm APQ8064 Snapdragon 600
    T21:
    Mediatek MT6589 (28 nm)
  • Depth

    T21: 1.1 mm thinner

    One Max:
    10.3 mm
    T21:
    9.2 mm
  • Height

    T21: 51.9 mm shorter

    One Max:
    164.5 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. One Max

    Height:
    164.5 mm +51.9 mm versus T21
    Width:
    82.5 mm +19 mm versus T21
    Depth:
    10.3 mm +1.1 mm versus T21
  2. 2. T21

    Height:
    112.6 mm
    Width:
    63.5 mm
    Depth:
    9.2 mm

Weight

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

  1. 1. One Max

    217 g

    +97 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. One Max

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

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

One Max has approximately 110.7% 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 One Max, T21, compared at the same storage capacity.
StorageOne MaxT21
4 GB Not recorded 1 GB RAM
16 GB 2 GB RAM Not recorded
32 GB 2 GB RAM Not recorded

Practical features

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

1. One Max

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

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. One Max

    3300 mAh

    +1800 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. One Max2. T21

Everyday essentials
Everyday essentials — specifications for One Max, T21.
SpecificationOne MaxT21
Dimensions (HxWxD)
  • 164.5 Х 82.5 Х 10.3 mm
  • 112.6 Х 63.5 Х 9.2 mm
Weight
  • 217 g
  • 120 g
Technology
  • Super LCD3
  • IPS LCD
Screen size
  • 5.9" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3300 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.3 (Jelly Bean)
  • upgradable to 5.0 (Lollipop); Sense UI 5.5
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm APQ8064 Snapdragon 600
  • Mediatek MT6589 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One Max, T21.
SpecificationOne MaxT21
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.0 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 70.7%
  • 63.7%
PPI /points per inch/
  • 373 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for One Max, T21.
SpecificationOne MaxT21
Rear camera, main
  • 4 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 4 MP
  • 1/3''
  • 2µm
  • AF
  • 5 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2.1 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2.1 MP
  • VGA
Performance

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

Performance — specifications for One Max, T21.
SpecificationOne MaxT21
Processor CPU
  • Quad-core 1.7 GHz Krait 300
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 320
  • PowerVR SGX544
Antutu 7 score *
  • 26775
Unknown
GeekBench 4 Single Core *
  • 645
Unknown
GeekBench 4 Multi-Core *
  • 1903
Unknown
General specs
General specs — specifications for One Max, T21.
SpecificationOne MaxT21
Release date
  • 2013
  • October
  • 2013
  • Q3
Colors
  • Silver
  • Black
  • Gold
  • 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 585 h (3G) Talking time- Up to 25 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for One Max, T21.
SpecificationOne MaxT21
SIM card
  • Micro-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 - for Verizon
  • Sprint -3G - HSDPA 900 / 1900 / 2100 - EMEA HSDPA 850 / 900 / 1900 / 2100 - Asia HSDPA 1900 / 2100 - for Sprint -4G - LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - EMEA LTE band 1(2100)
  • 3(1800)
  • 8(900) - Asia LTE band 4(1700/2100)
  • 13(700) - Verison
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE Cat3 100/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0 (MHL TV-out)
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.81 W/kg (head) 0.21 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for One Max, T21.
SpecificationOne MaxT21
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • BoomSound dual front stereo speakers -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for One Max, T21.
SpecificationOne MaxT21
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Available as HTC One Max Dual SIM for China
  • Sensors Accelerometer
  • proximity
  • compass