i-mate JAMin vs vivo U3

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: 43 g lighter

    JAMin:
    150 g
    U3:
    193 g
  • Width

    JAMin: 18.5 mm narrower

    JAMin:
    58 mm
    U3:
    76.5 mm
  • Screen diagonal

    JAMin: 3.73 in smaller diagonal

    JAMin:
    2.8 in
    U3:
    6.53 in
  • Chipset

    JAMin:
    TI OMAP 850
    U3:
    Qualcomm SDM675 Snapdragon 675 (11 nm)
  • Rear camera layout

    JAMin:
    Single
    U3:
    Triple
  • Depth

    U3: 9.3 mm thinner

    JAMin:
    18.2 mm
    U3:
    8.9 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. JAMin

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18.2 mm +9.3 mm versus U3
  2. 2. U3

    Height:
    162.2 mm +54.2 mm versus JAMin
    Width:
    76.5 mm +18.5 mm versus JAMin
    Depth:
    8.9 mm

Weight

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

  1. 1. JAMin

    150 g

  2. 2. U3

    193 g

    +43 g versus JAMin

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. JAMin

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. U3

    Screen diagonal:
    6.53 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    104.7 cm²

U3 has approximately 331.1% 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 JAMin, U3, compared at the same storage capacity.
StorageJAMinU3
64 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
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. JAMin

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

2. U3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. JAMin

    1200 mAh

  2. 2. U3

    5000 mAh

    +3800 mAh versus JAMin

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. JAMin2. U3

Everyday essentials
Everyday essentials — specifications for JAMin, U3.
SpecificationJAMinU3
Dimensions (HxWxD)
  • 108 Х 58 Х 18.2 mm
  • 162.2 Х 76.5 Х 8.9 mm
Weight
  • 150 g
  • 193 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.53" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 64GB 4GB RAM
  • 64GB 6GB RAM
Memory card support
  • SD/MMC
  • up to 2 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 9.0 (Pie); Funtouch 9.0
Chipset
  • TI OMAP 850
  • Qualcomm SDM675 Snapdragon 675 (11 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAMin, U3.
SpecificationJAMinU3
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 104.7 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 38.8%
  • 84.4%
PPI /points per inch/
  • 143 PPI
  • 395 PPI
Camera and Video
Camera and Video — specifications for JAMin, U3.
SpecificationJAMinU3
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Triple
Camera specs
  • 2 MP
  • 16 MP
  • f/1.8
  • (wide)
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • macro camera
Functions Unknown
  • HDR
Video
  • CIF
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1"
  • 1.0µm
Performance

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

Performance — specifications for JAMin, U3.
SpecificationJAMinU3
Processor CPU
  • 200 MHz ARM926EJ-S
  • Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
Graphics processor GPU Unknown
  • Adreno 612
Antutu 8 score * Unknown
  • 212000
General specs
General specs — specifications for JAMin, U3.
SpecificationJAMinU3
Release date
  • 2006
  • Q1
  • 2019
  • October
Colors
  • Stylish black
  • Black
  • Blue
  • Green
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 150 USD
Communication and Connectivity
Communication and Connectivity — specifications for JAMin, U3.
SpecificationJAMinU3
SIM card
  • Mini-SIM
  • 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 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for JAMin, U3.
SpecificationJAMinU3
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for JAMin, U3.
SpecificationJAMinU3
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W