i-mate JAM vs Lenovo S720

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

    S720: 10 g lighter

    JAM:
    150 g
    S720:
    140 g
  • Width

    JAM: 10.3 mm narrower

    JAM:
    58 mm
    S720:
    68.3 mm
  • Screen diagonal

    JAM: 1.7 in smaller diagonal

    JAM:
    2.8 in
    S720:
    4.5 in
  • Depth

    S720: 8.1 mm thinner

    JAM:
    18 mm
    S720:
    9.9 mm
  • Height

    JAM: 24.3 mm shorter

    JAM:
    108 mm
    S720:
    132.3 mm
  • Release year

    JAM:
    2004
    S720:
    2013

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 +8.1 mm versus S720
  2. 2. S720

    Height:
    132.3 mm +24.3 mm versus JAM
    Width:
    68.3 mm +10.3 mm versus JAM
    Depth:
    9.9 mm

Weight

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

  1. 1. JAM

    150 g

    +10 g versus S720

  2. 2. S720

    140 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. JAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. S720

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

S720 has approximately 129.9% 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

S720: 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. JAM

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

2. S720

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. JAM

    1200 mAh

  2. 2. S720

    2000 mAh

    +800 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. S720

Everyday essentials
Everyday essentials — specifications for JAM, S720.
SpecificationJAMS720
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 132.3 Х 68.3 Х 9.9 mm
Weight
  • 150 g
  • 140 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • SDIO/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-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset Unknown
  • Mediatek MT6577 (40 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAM, S720.
SpecificationJAMS720
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 55.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.8%
  • 61.8%
PPI /points per inch/
  • 143 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for JAM, S720.
SpecificationJAMS720
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0 MP,
  • 1 MP
  • Single
Specifications Unknown
  • 1 MP
Performance

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

Performance — specifications for JAM, S720.
SpecificationJAMS720
Processor CPU
  • Intel PXA272 416 MHz
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
Antutu 7 score * Unknown
  • 8273
General specs
General specs — specifications for JAM, S720.
SpecificationJAMS720
Release date
  • 2004
  • Q4
  • 2013
  • January
Colors
  • Stylish black and silver
  • Pink
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 230 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, S720.
SpecificationJAMS720
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for JAM, S720.
SpecificationJAMS720
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JAM, S720.
SpecificationJAMS720
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 Accelerometer
  • proximity