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HTC Desire U vs i-mate JAM

Compare recorded specifications, size and practical differences.

+ Add a third phone

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 U: 36 g lighter

    Desire U:
    114 g
    JAM:
    150 g
  • Width

    JAM: 4.3 mm narrower

    Desire U:
    62.3 mm
    JAM:
    58 mm
  • Screen diagonal

    JAM: 1.2 in smaller diagonal

    Desire U:
    4 in
    JAM:
    2.8 in
  • Depth

    Desire U: 8.7 mm thinner

    Desire U:
    9.3 mm
    JAM:
    18 mm
  • Height

    JAM: 10.5 mm shorter

    Desire U:
    118.5 mm
    JAM:
    108 mm
  • Release year

    Desire U:
    2013
    JAM:
    2004

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 U

    Height:
    118.5 mm +10.5 mm versus JAM
    Width:
    62.3 mm +4.3 mm versus JAM
    Depth:
    9.3 mm
  2. 2. JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +8.7 mm versus Desire U

Weight

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

  1. 1. Desire U

    114 g

  2. 2. JAM

    150 g

    +36 g versus Desire U

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 U

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

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

Desire U has approximately 87.6% more rectangular screen area than JAM.

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 U: Original memory entry

4 GB · 512 MB RAM

JAM: Original memory entry

64 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 U

NFC:
See details Optional
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. JAM

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/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 U

    1650 mAh

    +450 mAh versus JAM

  2. 2. JAM

    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 U2. JAM

Everyday essentials
Everyday essentials — specifications for Desire U, JAM.
SpecificationDesire UJAM
Dimensions (HxWxD)
  • 118.5 Х 62.3 Х 9.3 mm
  • 108 Х 58 Х 18 mm
Weight
  • 114 g
  • 150 g
Technology
  • Super LCD
  • TFT
Screen size
  • 4" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • SDIO/MMC
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1650 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Microsoft Windows Mobile 2003 SE PocketPC
NFC
  • Optional
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Desire U, JAM.
SpecificationDesire UJAM
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 45.5 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 61.7%
  • 38.8%
PPI /points per inch/
  • 233 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Desire U, JAM.
SpecificationDesire UJAM
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • w480p@30fps
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Desire U, JAM.
SpecificationDesire UJAM
Processor CPU
  • 1.0 GHz
  • Intel PXA272 416 MHz
General specs
General specs — specifications for Desire U, JAM.
SpecificationDesire UJAM
Release date
  • 2013
  • January
  • 2004
  • Q4
Colors
  • White
  • Black
  • Orange
  • Stylish black and silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 260 EUR
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Desire U, JAM.
SpecificationDesire UJAM
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • No
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • aptX
  • Yes
Harmful irradiation
  • SAR - 1.31 W/kg (head) 0.96 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Desire U, JAM.
SpecificationDesire UJAM
Radio
  • No
  • No
Others
  • Beats Audio
  • Handwriting recognition
Other features
Other features — specifications for Desire U, JAM.
SpecificationDesire UJAM
Dop
  • Sensors Accelerometer
  • proximity - HTC T327w for Chinа
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player -Predictive text input - Produced by HTC. Functionally identical to Qtek S100
  • O2 XDA II mini and T-Mobile MDA Compact.