i-mate JASJAM vs verykool s757

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

    JASJAM: 112 g lighter

    JASJAM:
    176 g
    s757:
    288 g
  • Width

    JASJAM: 19 mm narrower

    JASJAM:
    58 mm
    s757:
    77 mm
  • Screen diagonal

    JASJAM: 2.2 in smaller diagonal

    JASJAM:
    2.8 in
    s757:
    5 in
  • Depth

    s757: 9.2 mm thinner

    JASJAM:
    22 mm
    s757:
    12.8 mm
  • Height

    JASJAM: 35.5 mm shorter

    JASJAM:
    112.5 mm
    s757:
    148 mm
  • Release year

    JASJAM:
    2006
    s757:
    2012

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. JASJAM

    Height:
    112.5 mm
    Width:
    58 mm
    Depth:
    22 mm +9.2 mm versus s757
  2. 2. s757

    Height:
    148 mm +35.5 mm versus JASJAM
    Width:
    77 mm +19 mm versus JASJAM
    Depth:
    12.8 mm

Weight

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

  1. 1. JASJAM

    176 g

  2. 2. s757

    288 g

    +112 g versus JASJAM

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. JASJAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. s757

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

s757 has approximately 193.1% more rectangular screen area than JASJAM.

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.

JASJAM: Original memory entry

64 MB RAM · 128 MB ROM

s757: Original memory entry

160 MB · 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. JASJAM

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. s757

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. JASJAM

    1300 mAh

  2. 2. s757

    2300 mAh

    +1000 mAh versus JASJAM

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. JASJAM2. s757

Everyday essentials
Everyday essentials — specifications for JASJAM, s757.
SpecificationJASJAMs757
Dimensions (HxWxD)
  • 112.5 Х 58 Х 22 mm
  • 148 Х 77 Х 12.8 mm
Weight
  • 176 g
  • 288 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 5" 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
  • 160 MB
  • 512 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 2300 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 2.3.5 (Gingerbread)
Chipset Unknown
  • Mediatek MT6573 (65 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JASJAM, s757.
SpecificationJASJAMs757
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 71.2 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 37.2%
  • 62.4%
PPI /points per inch/
  • 143 PPI
  • 187 PPI
Camera and Video
Camera and Video — specifications for JASJAM, s757.
SpecificationJASJAMs757
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • QCIF videocall camera
  • VGA
Performance
Performance — specifications for JASJAM, s757.
SpecificationJASJAMs757
Processor CPU
  • 400 MHz Samsung
  • 800 MHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531
General specs
General specs — specifications for JASJAM, s757.
SpecificationJASJAMs757
Release date
  • 2006
  • June
  • 2012
Colors
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for JASJAM, s757.
SpecificationJASJAMs757
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 2 (optional)
Speed
  • HSPA 1.8 Mbps
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for JASJAM, s757.
SpecificationJASJAMs757
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for JASJAM, s757.
SpecificationJASJAMs757
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to O2 XDA Trion and Qtek 9600.
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.263 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input