Celkon Q450 vs i-mate K-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

    Q450: 13 g lighter

    Q450:
    147 g
    K-JAM:
    160 g
  • Width

    K-JAM: 9.7 mm narrower

    Q450:
    67.7 mm
    K-JAM:
    58 mm
  • Screen diagonal

    K-JAM: 1.7 in smaller diagonal

    Q450:
    4.5 in
    K-JAM:
    2.8 in
  • Chipset

    Q450:
    Spreadtrum 7731
    K-JAM:
    TI OMAP 850
  • Depth

    Q450: 14 mm thinner

    Q450:
    9.7 mm
    K-JAM:
    23.7 mm
  • Height

    K-JAM: 27 mm shorter

    Q450:
    135 mm
    K-JAM:
    108 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. Q450

    Height:
    135 mm +27 mm versus K-JAM
    Width:
    67.7 mm +9.7 mm versus K-JAM
    Depth:
    9.7 mm
  2. 2. K-JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    23.7 mm +14 mm versus Q450

Weight

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

  1. 1. Q450

    147 g

  2. 2. K-JAM

    160 g

    +13 g versus Q450

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. Q450

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. K-JAM

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

Q450 has approximately 137.4% 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.

Q450: Original memory entry

4 GB · 512 MB RAM

K-JAM: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

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

1. Q450

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

2. K-JAM

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD · 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. Q450

    1800 mAh

    +550 mAh versus K-JAM

  2. 2. K-JAM

    1250 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. Q4502. K-JAM

Everyday essentials
Everyday essentials — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 108 Х 58 Х 23.7 mm
Weight
  • 147 g
  • 160 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • miniSD
  • up to 2 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 1250 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Spreadtrum 7731
  • TI OMAP 850
Headphone jack
  • Yes
  • No
Display
Display — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 57.6 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 63.1%
  • 38.8%
PPI /points per inch/
  • 207 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • 1.3 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
Processor CPU
  • Quad-core 1.2 GHz
  • 200 MHz ARM926EJ-S
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
Release date
  • 2015
  • April
  • 2005
  • September
Colors
  • Gold
  • White
  • Stylish black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 280 EUR
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • No
USB
  • microUSB
  • miniUSB
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
Radio
  • FM radio
  • No
Other features
Other features — specifications for Q450, K-JAM.
SpecificationQ450K-JAM
Dop
  • Sensors Accelerometer
  • proximity
  • 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