HTC Desire 820 vs Lava Iris Atom

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

    Iris Atom: 45 g lighter

    Desire 820:
    155 g
    Iris Atom:
    110 g
  • Width

    Iris Atom: 15.5 mm narrower

    Desire 820:
    78.7 mm
    Iris Atom:
    63.2 mm
  • Screen diagonal

    Iris Atom: 1.5 in smaller diagonal

    Desire 820:
    5.5 in
    Iris Atom:
    4 in
  • Depth

    Desire 820: 2 mm thinner

    Desire 820:
    7.7 mm
    Iris Atom:
    9.7 mm
  • Height

    Iris Atom: 32.2 mm shorter

    Desire 820:
    157.7 mm
    Iris Atom:
    125.5 mm
  • Release year

    Desire 820:
    2014
    Iris Atom:
    2015

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. Desire 820

    Height:
    157.7 mm +32.2 mm versus Iris Atom
    Width:
    78.7 mm +15.5 mm versus Iris Atom
    Depth:
    7.7 mm
  2. 2. Iris Atom

    Height:
    125.5 mm
    Width:
    63.2 mm
    Depth:
    9.7 mm +2 mm versus Desire 820

Weight

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

  1. 1. Desire 820

    155 g

    +45 g versus Iris Atom

  2. 2. Iris Atom

    110 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. Desire 820

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

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

Desire 820 has approximately 83.1% more rectangular screen area than Iris Atom.

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 Desire 820, Iris Atom, compared at the same storage capacity.
StorageDesire 820Iris Atom
16 GB 2 GB RAM Unknown
Iris Atom: Original memory entry

8 GB · 512 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. Desire 820

NFC:
See details Yes (optional)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Iris Atom

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. Desire 820

    2600 mAh

    +1050 mAh versus Iris Atom

  2. 2. Iris Atom

    1550 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. Desire 8202. Iris Atom

Everyday essentials
Everyday essentials — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
Dimensions (HxWxD)
  • 157.7 Х 78.7 Х 7.7 mm
  • 125.5 Х 63.2 Х 9.7 mm
Weight
  • 155 g
  • 110 g
Technology
  • LCD
Unknown
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Non-removable Li-Po
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 6.1 (Marshmallow); Sense UI 7
  • Android 5.1 (Lollipop)
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Unknown
NFC
  • Yes (optional)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 67.2%
  • 57.4%
PPI /points per inch/
  • 267 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
  • 5 MP
Functions
  • LED flash
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.3
  • VGA
Performance

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

Performance — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.3 GHz
Graphics processor GPU
  • Adreno 405
Unknown
Antutu 7 score *
  • 37236
Unknown
GeekBench 4 Single Core *
  • 573
Unknown
GeekBench 4 Multi-Core *
  • 1447
Unknown
GeekBench 4 RenderScript *
  • 1914
Unknown
General specs
General specs — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
Release date
  • 2014
  • September
  • 2015
  • December
Colors
  • Marble white
  • Tuxedo Grey
  • Santorini White
  • Milky-way Grey
  • Tangerine White
  • Saffron Grey
  • Flamingo Grey
  • Blue Misty
  • Monarch Orange
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 340 EUR
Unknown
Battery life
  • Stand by time- Up to 424 h (3G) Talking time- Up to 22 h 24 min (3G)
  • Stand by time- Up to 150 h (3G) Talking time- Up to 12 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
SIM card
  • Nano-SIM
  • Dual SIM
Network
  • 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
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 2.1
  • EDR
Music and Audio
Music and Audio — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Desire 820, Iris Atom.
SpecificationDesire 820Iris Atom
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer For India