i-mate K-JAM vs Micromax Ninja A91

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

    Ninja A91: 10.9 g lighter

    K-JAM:
    160 g
    Ninja A91:
    149.1 g
  • Width

    K-JAM: 8 mm narrower

    K-JAM:
    58 mm
    Ninja A91:
    66 mm
  • Screen diagonal

    K-JAM: 1.7 in smaller diagonal

    K-JAM:
    2.8 in
    Ninja A91:
    4.5 in
  • Chipset

    K-JAM:
    TI OMAP 850
    Ninja A91:
    Mediatek MT6577 (40 nm)
  • Depth

    Ninja A91: 13.7 mm thinner

    K-JAM:
    23.7 mm
    Ninja A91:
    10 mm
  • Height

    K-JAM: 22 mm shorter

    K-JAM:
    108 mm
    Ninja A91:
    130 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. K-JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    23.7 mm +13.7 mm versus Ninja A91
  2. 2. Ninja A91

    Height:
    130 mm +22 mm versus K-JAM
    Width:
    66 mm +8 mm versus K-JAM
    Depth:
    10 mm

Weight

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

  1. 1. K-JAM

    160 g

    +10.9 g versus Ninja A91

  2. 2. Ninja A91

    149.1 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. K-JAM

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Ninja A91

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

Ninja A91 has approximately 129.9% more rectangular screen area than K-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.

K-JAM: Original memory entry

64 MB RAM · 128 MB ROM

Ninja A91: Original memory entry

2 GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. K-JAM

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

2. Ninja A91

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. K-JAM2. Ninja A91

Everyday essentials
Everyday essentials — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
Dimensions (HxWxD)
  • 108 Х 58 Х 23.7 mm
  • 130 Х 66 Х 10 mm
Weight
  • 160 g
  • 149.1 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 854 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
  • 2 GB
Memory card support
  • miniSD
  • up to 2 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1250 mAh
  • Removable Li-Po
  • 0 mAh,
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • TI OMAP 850
  • Mediatek MT6577 (40 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
Touchscreen
  • resistive touchscreen
  • touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 55.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.8%
  • 65.0%
PPI /points per inch/
  • 143 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
Rear camera, main
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 1.3 MP
  • 5 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
Processor CPU
  • 200 MHz ARM926EJ-S
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
General specs
General specs — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
Release date
  • 2005
  • September
  • 2013
  • March
Colors
  • Stylish black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
  • Stand by time- Up to 230 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
SIM card
  • Mini-SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
USB
  • miniUSB
  • Proprietary
Bluetooth
  • 2.0
  • 3.0
Music and Audio
Music and Audio — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
Radio
  • No
  • FM radio
Other features
Other features — specifications for K-JAM, Ninja A91.
SpecificationK-JAMNinja A91
Dop
  • Infrared port - Microsoft ActiveSync -Pocket Office -MP3/AAC player - Produced by HTC. Functionally identical to Qtek 9100
  • O2 XDA mini S
  • T-Mobile MDA Vario
  • Sensors Accelerometer