i-mate JAMin vs Yezz Andy A4

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

    Andy A4: 46 g lighter

    JAMin:
    150 g
    Andy A4:
    104 g
  • Width

    JAMin: 5.5 mm narrower

    JAMin:
    58 mm
    Andy A4:
    63.5 mm
  • Screen diagonal

    JAMin: 1.2 in smaller diagonal

    JAMin:
    2.8 in
    Andy A4:
    4 in
  • Chipset

    JAMin:
    TI OMAP 850
    Andy A4:
    Mediatek MT6577T (40 nm)
  • Depth

    Andy A4: 8.4 mm thinner

    JAMin:
    18.2 mm
    Andy A4:
    9.8 mm
  • Height

    JAMin: 16.5 mm shorter

    JAMin:
    108 mm
    Andy A4:
    124.5 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 +8.4 mm versus Andy A4
  2. 2. Andy A4

    Height:
    124.5 mm +16.5 mm versus JAMin
    Width:
    63.5 mm +5.5 mm versus JAMin
    Depth:
    9.8 mm

Weight

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

  1. 1. JAMin

    150 g

    +46 g versus Andy A4

  2. 2. Andy A4

    104 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. JAMin

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Andy A4

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

Andy A4 has approximately 87.6% 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.

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

JAMin: Original memory entry

64 MB RAM · 128 MB ROM

Andy A4: Original memory entry

4 GB · 512 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. JAMin

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

2. Andy A4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. JAMin

    1200 mAh

  2. 2. Andy A4

    1400 mAh

    +200 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. Andy A4

Everyday essentials
Everyday essentials — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
Dimensions (HxWxD)
  • 108 Х 58 Х 18.2 mm
  • 124.5 Х 63.5 Х 9.8 mm
Weight
  • 150 g
  • 104 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4" inch
Screen resolution
  • 240 x 320 px
  • 480 x 800 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
  • 4 GB
  • 512 MB RAM
Memory card support
  • SD/MMC
  • up to 2 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.1 (Jelly Bean)
Chipset
  • TI OMAP 850
  • Mediatek MT6577T (40 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 38.8%
  • 57.6%
PPI /points per inch/
  • 143 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
  • panorama
  • HDR
Video
  • CIF
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
Processor CPU
  • 200 MHz ARM926EJ-S
  • Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
General specs
General specs — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
Release date
  • 2006
  • Q1
  • 2013
  • March
Colors
  • Stylish black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • No
  • A-GPS only
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 3.0
Music and Audio
Music and Audio — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAMin, Andy A4.
SpecificationJAMinAndy A4
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek S200
  • O2 XDA Neo.
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Single SIM: Andy AC4 Dual SIM: Andy A4