Asus PadFone Infinity vs HTC Desire 820

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

    PadFone Infinity: 14 g lighter

    PadFone Infinity:
    141 g
    Desire 820:
    155 g
  • Width

    PadFone Infinity: 5.9 mm narrower

    PadFone Infinity:
    72.8 mm
    Desire 820:
    78.7 mm
  • Screen diagonal

    PadFone Infinity: 0.5 in smaller diagonal

    PadFone Infinity:
    5 in
    Desire 820:
    5.5 in
  • Chipset

    PadFone Infinity:
    Qualcomm APQ8064T Snapdragon 600
    Desire 820:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Depth

    Desire 820: 1.2 mm thinner

    PadFone Infinity:
    8.9 mm
    Desire 820:
    7.7 mm
  • Height

    PadFone Infinity: 14.2 mm shorter

    PadFone Infinity:
    143.5 mm
    Desire 820:
    157.7 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. PadFone Infinity

    Height:
    143.5 mm
    Width:
    72.8 mm
    Depth:
    8.9 mm +1.2 mm versus Desire 820
  2. 2. Desire 820

    Height:
    157.7 mm +14.2 mm versus PadFone Infinity
    Width:
    78.7 mm +5.9 mm versus PadFone Infinity
    Depth:
    7.7 mm

Weight

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

  1. 1. PadFone Infinity

    141 g

  2. 2. Desire 820

    155 g

    +14 g versus PadFone Infinity

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. PadFone Infinity

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Desire 820

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

Desire 820 has approximately 21% more rectangular screen area than PadFone Infinity.

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 PadFone Infinity, Desire 820, compared at the same storage capacity.
StoragePadFone InfinityDesire 820
16 GB Not recorded 2 GB RAM
32 GB 2 GB RAM Not recorded
64 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. PadFone Infinity

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

2. Desire 820

NFC:
See details Yes (optional)
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. PadFone Infinity

    2400 mAh

  2. 2. Desire 820

    2600 mAh

    +200 mAh versus PadFone Infinity

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. PadFone Infinity2. Desire 820

Everyday essentials
Everyday essentials — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
Dimensions (HxWxD)
  • 143.5 Х 72.8 Х 8.9 mm
  • 157.7 Х 78.7 Х 7.7 mm
Weight
  • 141 g
  • 155 g
Technology
  • Super IPS+ LCD
  • LCD
Screen size
  • 5" inch
  • 5.5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32/64 GB
  • 2 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Po
  • 2600 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • upgradable to 4.4.2 (KitKat)
  • Android 4.4.2 (KitKat)
  • upgradable to 6.1 (Marshmallow); Sense UI 7
Chipset
  • Qualcomm APQ8064T Snapdragon 600
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
NFC
  • Yes
  • Yes (optional)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.0%
  • 67.2%
PPI /points per inch/
  • 441 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
  • f/2.3
Performance

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

Performance — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
Processor CPU
  • Quad-core 1.7 GHz Krait
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 320
  • Adreno 405
Antutu 7 score *
  • 25384
  • 37236
GeekBench 4 Single Core * Unknown
  • 573
GeekBench 4 Multi-Core * Unknown
  • 1447
GeekBench 4 RenderScript * Unknown
  • 1914
General specs
General specs — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
Release date
  • 2013
  • February
  • 2014
  • September
Colors
  • Titanium Gray
  • Champagne Gold
  • Hot pink
  • Marble white
  • Tuxedo Grey
  • Santorini White
  • Milky-way Grey
  • Tangerine White
  • Saffron Grey
  • Flamingo Grey
  • Blue Misty
  • Monarch Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 1000 EUR
  • 340 EUR
Battery life
  • Stand by time- Up to 410 h Talking time- Up to 19 h
  • Stand by time- Up to 424 h (3G) Talking time- Up to 22 h 24 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
SIM card
  • Nano-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 - EMEA
  • Asia HSDPA 850 / 900 / 2100 - Europe TD-SCDMA - Asia -4G - LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - Europe LTE band 1(2100)
  • 3(1800)
  • 8(900) - EMEA LTE band 1(2100)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Asia
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0 (SlimPort TV-out)
  • USB Host
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
  • aptX
Music and Audio
Music and Audio — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for PadFone Infinity, Desire 820.
SpecificationPadFone InfinityDesire 820
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Padfone Station with 10.1 inches IPS display
  • 1920 x 1200 pixels
  • 5000 mAh battery
  • 1 MP front camera. 264.6 x 181.6 x 10.7mm
  • 530g. - Also known as Asus PadFone Infinity (A80)
  • Sensors Accelerometer
  • proximity
  • compass