i-mate K-JAM vs Oppo R15

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

    K-JAM: 15 g lighter

    K-JAM:
    160 g
    R15:
    175 g
  • Width

    K-JAM: 17.2 mm narrower

    K-JAM:
    58 mm
    R15:
    75.2 mm
  • Screen diagonal

    K-JAM: 3.48 in smaller diagonal

    K-JAM:
    2.8 in
    R15:
    6.28 in
  • Chipset

    K-JAM:
    TI OMAP 850
    R15:
    Mediatek MT6771 Helio P60 (12 nm)
  • Rear camera layout

    K-JAM:
    Single
    R15:
    Dual
  • Depth

    R15: 16.3 mm thinner

    K-JAM:
    23.7 mm
    R15:
    7.4 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 +16.3 mm versus R15
  2. 2. R15

    Height:
    155.1 mm +47.1 mm versus K-JAM
    Width:
    75.2 mm +17.2 mm versus K-JAM
    Depth:
    7.4 mm

Weight

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

  1. 1. K-JAM

    160 g

  2. 2. R15

    175 g

    +15 g versus K-JAM

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. R15

    Screen diagonal:
    6.28 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    98.4 cm²

R15 has approximately 305.4% 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.

K-JAM: Original memory entry

64 MB RAM · 128 MB ROM

R15: Original memory entry

128 GB · 4/6 GB 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. K-JAM

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

2. R15

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. K-JAM

    1250 mAh

  2. 2. R15

    3450 mAh

    +2200 mAh versus K-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. K-JAM2. R15

Everyday essentials
Everyday essentials — specifications for K-JAM, R15.
SpecificationK-JAMR15
Dimensions (HxWxD)
  • 108 Х 58 Х 23.7 mm
  • 155.1 Х 75.2 Х 7.4 mm
Weight
  • 160 g
  • 175 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.8" inch
  • 6.28" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2280 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
  • 128 GB
  • 4/6 GB RAM
Memory card support
  • miniSD
  • up to 2 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1250 mAh
  • Removable Li-Po
  • 3450 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 8.1 (Oreo); ColorOS 5
Chipset
  • TI OMAP 850
  • Mediatek MT6771 Helio P60 (12 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for K-JAM, R15.
SpecificationK-JAMR15
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 98.9 cm2
Screen format
  • 4:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 38.8%
  • 84.8%
PPI /points per inch/
  • 143 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for K-JAM, R15.
SpecificationK-JAMR15
Rear camera, main
  • 1.3 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 1.3 MP
  • 16 MP
  • f/1.7
  • 1/2.6''
  • 1.22µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • 20 MP
  • f/2.0
Performance

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

Performance — specifications for K-JAM, R15.
SpecificationK-JAMR15
Processor CPU
  • 200 MHz ARM926EJ-S
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 140520
GeekBench 4 Single Core * Unknown
  • 1928
GeekBench 4 Multi-Core * Unknown
  • 4904
General specs
General specs — specifications for K-JAM, R15.
SpecificationK-JAMR15
Release date
  • 2005
  • September
  • 2018
  • March
Colors
  • Stylish black
  • Hot Red
  • Snow White
  • Star Purple
  • Fantasy Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 460 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for K-JAM, R15.
SpecificationK-JAMR15
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
  • EDR
Music and Audio
Music and Audio — specifications for K-JAM, R15.
SpecificationK-JAMR15
Radio
  • No
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for K-JAM, R15.
SpecificationK-JAMR15
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 Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A