HTC Desire 12 vs T-Mobile Sidekick LX

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

    Desire 12: 25 g lighter

    Desire 12:
    137 g
    Sidekick LX:
    162 g
  • Width

    Sidekick LX: 10.8 mm narrower

    Desire 12:
    70.8 mm
    Sidekick LX:
    60 mm
  • Screen diagonal

    Sidekick LX: 2.5 in smaller diagonal

    Desire 12:
    5.5 in
    Sidekick LX:
    3 in
  • Depth

    Desire 12: 13.8 mm thinner

    Desire 12:
    8.2 mm
    Sidekick LX:
    22 mm
  • Height

    Sidekick LX: 19 mm shorter

    Desire 12:
    148.5 mm
    Sidekick LX:
    129.5 mm
  • Release year

    Desire 12:
    2018
    Sidekick LX:
    2007

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 12

    Height:
    148.5 mm +19 mm versus Sidekick LX
    Width:
    70.8 mm +10.8 mm versus Sidekick LX
    Depth:
    8.2 mm
  2. 2. Sidekick LX

    Height:
    129.5 mm
    Width:
    60 mm
    Depth:
    22 mm +13.8 mm versus Desire 12

Weight

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

  1. 1. Desire 12

    137 g

  2. 2. Sidekick LX

    162 g

    +25 g versus Desire 12

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 12

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Sidekick LX

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

Desire 12 has approximately 204.7% more rectangular screen area than Sidekick LX.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Desire 12: Original memory entry

32 GB · 3 RAM 16 GB · 2 GB RAM

Sidekick LX: Original memory entry

64 MB RAM · 64 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 12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot)

2. Sidekick LX

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. Desire 12

    2730 mAh

    +1190 mAh versus Sidekick LX

  2. 2. Sidekick LX

    1540 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 122. Sidekick LX

Everyday essentials
Everyday essentials — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
Dimensions (HxWxD)
  • 148.5 Х 70.8 Х 8.2 mm
  • 129.5 Х 60 Х 22 mm
Weight
  • 137 g
  • 162 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3" inch
Screen resolution
  • 720 x 1440 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 RAM 16 GB
  • 2 GB RAM
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2730 mAh
  • Non-removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.x (Nougat)
  • Danger OS
Chipset
  • Mediatek MT6739 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 78.1 cm2
  • 25.6 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 74.2%
  • 33.0%
PPI /points per inch/
  • 293 PPI
  • 155 PPI
Camera and Video
Camera and Video — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • PDAF
  • 1.3 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.4
  • 1/5'' 1.12µm
Unknown
Performance

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

Performance — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
Unknown
Graphics processor GPU
  • PowerVR GE8100
Unknown
Antutu 7 score *
  • 35456
Unknown
General specs
General specs — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
Release date
  • 2018
  • March
  • 2007
  • September
Colors
  • Cool Black
  • Warm Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 160 EUR
Battery life Unknown
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - Global LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 17(700)
  • 28(700) - USA
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 b/g/n
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Music and Audio
Music and Audio — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
Radio
  • To be confirmed
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Desire 12, Sidekick LX.
SpecificationDesire 12Sidekick LX
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • MP3/WMA audio player -MP4 player -Voice memo