HTC Desire 820 vs i-mate JAMin

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

    JAMin: 5 g lighter

    Desire 820:
    155 g
    JAMin:
    150 g
  • Width

    JAMin: 20.7 mm narrower

    Desire 820:
    78.7 mm
    JAMin:
    58 mm
  • Screen diagonal

    JAMin: 2.7 in smaller diagonal

    Desire 820:
    5.5 in
    JAMin:
    2.8 in
  • Chipset

    Desire 820:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
    JAMin:
    TI OMAP 850
  • Depth

    Desire 820: 10.5 mm thinner

    Desire 820:
    7.7 mm
    JAMin:
    18.2 mm
  • Height

    JAMin: 49.7 mm shorter

    Desire 820:
    157.7 mm
    JAMin:
    108 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 +49.7 mm versus JAMin
    Width:
    78.7 mm +20.7 mm versus JAMin
    Depth:
    7.7 mm
  2. 2. JAMin

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18.2 mm +10.5 mm versus Desire 820

Weight

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

  1. 1. Desire 820

    155 g

    +5 g versus JAMin

  2. 2. JAMin

    150 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. JAMin

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

Desire 820 has approximately 243.5% more rectangular screen area than JAMin.

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

64 MB RAM · 128 MB ROM

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. JAMin

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD/MMC · up to 2 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

    +1400 mAh versus JAMin

  2. 2. JAMin

    1200 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. JAMin

Everyday essentials
Everyday essentials — specifications for Desire 820, JAMin.
SpecificationDesire 820JAMin
Dimensions (HxWxD)
  • 157.7 Х 78.7 Х 7.7 mm
  • 108 Х 58 Х 18.2 mm
Weight
  • 155 g
  • 150 g
Technology
  • LCD
  • TFT
Screen size
  • 5.5" inch
  • 2.8" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • SD/MMC
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2600 mAh
  • Non-removable Li-Po
  • 1200 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • upgradable to 6.1 (Marshmallow); Sense UI 7
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • TI OMAP 850
NFC
  • Yes (optional)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Desire 820, JAMin.
SpecificationDesire 820JAMin
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 67.2%
  • 38.8%
PPI /points per inch/
  • 267 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Desire 820, JAMin.
SpecificationDesire 820JAMin
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
  • 2 MP
Functions
  • LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • CIF
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.3
Unknown
Performance

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

Performance — specifications for Desire 820, JAMin.
SpecificationDesire 820JAMin
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • 200 MHz ARM926EJ-S
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, JAMin.
SpecificationDesire 820JAMin
Release date
  • 2014
  • September
  • 2006
  • Q1
Colors
  • Marble white
  • Tuxedo Grey
  • Santorini White
  • Milky-way Grey
  • Tangerine White
  • Saffron Grey
  • Flamingo Grey
  • Blue Misty
  • Monarch Orange
  • Stylish black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 340 EUR
  • 220 EUR
Battery life
  • Stand by time- Up to 424 h (3G) Talking time- Up to 22 h 24 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Desire 820, JAMin.
SpecificationDesire 820JAMin
SIM card
  • Nano-SIM
  • Mini-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
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • USB Host
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • 2.0
Music and Audio
Music and Audio — specifications for Desire 820, JAMin.
SpecificationDesire 820JAMin
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Desire 820, JAMin.
SpecificationDesire 820JAMin
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.