Apple iPhone 4 CDMA vs i-mate JAM

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

    iPhone 4 CDMA: 13 g lighter

    iPhone 4 CDMA:
    137 g
    JAM:
    150 g
  • Screen diagonal

    JAM: 0.7 in smaller diagonal

    iPhone 4 CDMA:
    3.5 in
    JAM:
    2.8 in
  • Depth

    iPhone 4 CDMA: 8.7 mm thinner

    iPhone 4 CDMA:
    9.3 mm
    JAM:
    18 mm
  • Height

    JAM: 7.2 mm shorter

    iPhone 4 CDMA:
    115.2 mm
    JAM:
    108 mm
  • Release year

    iPhone 4 CDMA:
    2011
    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. iPhone 4 CDMA

    Height:
    115.2 mm +7.2 mm versus JAM
    Width:
    58.6 mm
    Depth:
    9.3 mm
  2. 2. JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +8.7 mm versus iPhone 4 CDMA

Weight

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

  1. 1. iPhone 4 CDMA

    137 g

  2. 2. JAM

    150 g

    +13 g versus iPhone 4 CDMA

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. iPhone 4 CDMA

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. JAM

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

iPhone 4 CDMA has approximately 50.2% 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.

iPhone 4 CDMA: Original memory entry

16/32 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. iPhone 4 CDMA

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. iPhone 4 CDMA

    1420 mAh

    +220 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. iPhone 4 CDMA2. JAM

Everyday essentials
Everyday essentials — specifications for iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
Dimensions (HxWxD)
  • 115.2 Х 58.6 Х 9.3 mm
  • 108 Х 58 Х 18 mm
Weight
  • 137 g
  • 150 g
Technology
  • LED-backlit IPS LCD
  • TFT
Screen size
  • 3.5" inch
  • 2.8" inch
Screen resolution
  • 640 x 960 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 512 MB RAM
  • 64 MB RAM
Memory card support
  • No
  • SDIO/MMC
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1420 mAh
  • Non-removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • iOS 4
  • upgradable to iOS 7.1.1
  • Microsoft Windows Mobile 2003 SE PocketPC
Chipset
  • Apple A4 (45 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 36.5 cm2
  • 24.3 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 54.0%
  • 38.8%
PPI /points per inch/
  • 330 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
  • HDR
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • Videocalling over Wi-Fi only
Unknown
Performance

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

Performance — specifications for iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
Processor CPU
  • 1.0 GHz Cortex-A8
  • Intel PXA272 416 MHz
Graphics processor GPU
  • PowerVR SGX535
Unknown
Antutu 7 score *
  • 4798
Unknown
General specs
General specs — specifications for iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
Release date
  • 2011
  • January
  • 2004
  • Q4
Colors
  • Black
  • White
  • 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 iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - CDMA 800 / 1900
Unknown
Speed
  • EV-DO Rev.A 3.1 Mbps
Unknown
GPRS
  • No
  • Class 10
Edge
  • No
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • 2.0
  • Proprietary
Bluetooth
  • 2.1
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 1.18 W/kg (head) 0.87 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for iPhone 4 CDMA, JAM.
SpecificationiPhone 4 CDMAJAM
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - iCloud cloud service -MP3/WAV player -MP4/H.264 player -Document viewer
  • 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.