HTC Desire 820 vs LG Optimus G E975

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

    Optimus G E975: 10 g lighter

    Desire 820:
    155 g
    Optimus G E975:
    145 g
  • Width

    Optimus G E975: 9.8 mm narrower

    Desire 820:
    78.7 mm
    Optimus G E975:
    68.9 mm
  • Screen diagonal

    Optimus G E975: 0.8 in smaller diagonal

    Desire 820:
    5.5 in
    Optimus G E975:
    4.7 in
  • Chipset

    Desire 820:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    Optimus G E975:
    Qualcomm APQ8064 Snapdragon S4 Pro
  • Depth

    Desire 820: 0.8 mm thinner

    Desire 820:
    7.7 mm
    Optimus G E975:
    8.5 mm
  • Height

    Optimus G E975: 25.8 mm shorter

    Desire 820:
    157.7 mm
    Optimus G E975:
    131.9 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. Desire 820

    Height:
    157.7 mm +25.8 mm versus Optimus G E975
    Width:
    78.7 mm +9.8 mm versus Optimus G E975
    Depth:
    7.7 mm
  2. 2. Optimus G E975

    Height:
    131.9 mm
    Width:
    68.9 mm
    Depth:
    8.5 mm +0.8 mm versus Desire 820

Weight

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

  1. 1. Desire 820

    155 g

    +10 g versus Optimus G E975

  2. 2. Optimus G E975

    145 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. Optimus G E975

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

Desire 820 has approximately 32.6% more rectangular screen area than Optimus G E975.

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, Optimus G E975, compared at the same storage capacity.
StorageDesire 820Optimus G E975
16 GB 2 GB RAM Unknown
Optimus G E975: Original memory entry

32 GB (25 GB user available) · 2 GB 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. Optimus G E975

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

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

    +500 mAh versus Optimus G E975

  2. 2. Optimus G E975

    2100 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. Optimus G E975

Everyday essentials
Everyday essentials — specifications for Desire 820, Optimus G E975.
SpecificationDesire 820Optimus G E975
Dimensions (HxWxD)
  • 157.7 Х 78.7 Х 7.7 mm
  • 131.9 Х 68.9 Х 8.5 mm
Weight
  • 155 g
  • 145 g
Technology
  • LCD
  • True HD-IPS + LCD
Screen size
  • 5.5" inch
  • 4.7" inch
Screen resolution
  • 720 x 1280 px
  • 768 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 32 GB (25 GB user available)
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Non-removable Li-Po
  • 2100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 6.1 (Marshmallow); Sense UI 7
  • Android 4.1.2 (Jelly Bean)
  • upgradаble to 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Qualcomm APQ8064 Snapdragon S4 Pro
NFC
  • Yes (optional)
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Desire 820, Optimus G E975.
SpecificationDesire 820Optimus G E975
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 62.9 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 67.2%
  • 69.2%
PPI /points per inch/
  • 267 PPI
  • 318 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for Desire 820, Optimus G E975.
SpecificationDesire 820Optimus G E975
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
  • 13 MP/8 MP
  • market dependent
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.3
  • 1.3 MP
Performance

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

Performance — specifications for Desire 820, Optimus G E975.
SpecificationDesire 820Optimus G E975
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.5 GHz Krait
Graphics processor GPU
  • Adreno 405
  • Adreno 320
Antutu 7 score *
  • 37236
  • 17653
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, Optimus G E975.
SpecificationDesire 820Optimus G E975
Release date
  • 2014
  • September
  • 2012
  • August
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
  • 160 EUR
Battery life
  • Stand by time- Up to 424 h (3G) Talking time- Up to 22 h 24 min (3G)
  • Stand by time- Up to 456 h (2G) / Up to 411 h (3G) Talking time- Up to 15 h (2G) / Up to 13 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Desire 820, Optimus G E975.
SpecificationDesire 820Optimus G E975
SIM card
  • Nano-SIM
  • Micro-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 850 / 900 / 1800 / 1900 - E975
  • E973
  • E971 -3G - HSDPA 900 / 2100 - E975 HSDPA 850 / 1900 / 2100 - E973
  • E971 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - E975 (market dependent) LTE band 4(1700/2100)
  • 17(700) - E973 LTE band 7(2600)
  • 17(700) - E971
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • 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
  • USB Host
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.58 W/kg (head) 1.08 W/kg (body) SAR EU - 0.43 W/kg (head) 0.40 W/kg (body)
Music and Audio
Music and Audio — specifications for Desire 820, Optimus G E975.
SpecificationDesire 820Optimus G E975
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Desire 820, Optimus G E975.
SpecificationDesire 820Optimus G E975
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -Photo viewer/editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - Also known as LG Optimus G E973
  • LG Optimus G E971
  • LG-F180