i-mate JAM vs Meizu U20

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

    JAM: 8 g lighter

    JAM:
    150 g
    U20:
    158 g
  • Width

    JAM: 17.4 mm narrower

    JAM:
    58 mm
    U20:
    75.4 mm
  • Screen diagonal

    JAM: 2.7 in smaller diagonal

    JAM:
    2.8 in
    U20:
    5.5 in
  • Depth

    U20: 10.3 mm thinner

    JAM:
    18 mm
    U20:
    7.7 mm
  • Height

    JAM: 45 mm shorter

    JAM:
    108 mm
    U20:
    153 mm
  • Release year

    JAM:
    2004
    U20:
    2016

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. JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +10.3 mm versus U20
  2. 2. U20

    Height:
    153 mm +45 mm versus JAM
    Width:
    75.4 mm +17.4 mm versus JAM
    Depth:
    7.7 mm

Weight

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

  1. 1. JAM

    150 g

  2. 2. U20

    158 g

    +8 g versus JAM

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. JAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. U20

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

U20 has approximately 243.5% 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.

JAM: Original memory entry

64 MB RAM

U20: Original memory entry

32 GB · 3 GB RAM 16 GB · 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. JAM

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

2. U20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. JAM

    1200 mAh

  2. 2. U20

    3260 mAh

    +2060 mAh versus JAM

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. JAM2. U20

Everyday essentials
Everyday essentials — specifications for JAM, U20.
SpecificationJAMU20
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 153 Х 75.4 Х 7.7 mm
Weight
  • 150 g
  • 158 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • SDIO/MMC
  • up to 2 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3260 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 6.0 (Marshmallow); Flyme UI
Chipset Unknown
  • Mediatek MT6755 Helio P10 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAM, U20.
SpecificationJAMU20
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.8%
  • 72.3%
PPI /points per inch/
  • 143 PPI
  • 401 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for JAM, U20.
SpecificationJAMU20
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 1.3 MP
  • 13 MP
  • PDAF
  • f/2.2
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for JAM, U20.
SpecificationJAMU20
Processor CPU
  • Intel PXA272 416 MHz
  • Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-T860MP2
Antutu 7 score * Unknown
  • 50122
GeekBench 4 Single Core * Unknown
  • 703
GeekBench 4 Multi-Core * Unknown
  • 2305
GeekBench 4 RenderScript * Unknown
  • 1553
General specs
General specs — specifications for JAM, U20.
SpecificationJAMU20
Release date
  • 2004
  • Q4
  • 2016
  • August
Colors
  • Stylish black and silver
  • Black
  • Silver
  • Rose Gold
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 190 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for JAM, U20.
SpecificationJAMU20
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE 1800 / 2100 / 2600
Speed Unknown
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Proprietary
  • microUSB 2.0
  • USB Host
Bluetooth
  • Yes
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for JAM, U20.
SpecificationJAMU20
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for JAM, U20.
SpecificationJAMU20
Dop
  • 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.
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass