i-mate JAM vs Xiaomi Redmi Note 4

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

    JAM: 15 g lighter

    JAM:
    150 g
    Redmi Note 4:
    165 g
  • Width

    JAM: 18 mm narrower

    JAM:
    58 mm
    Redmi Note 4:
    76 mm
  • Screen diagonal

    JAM: 2.7 in smaller diagonal

    JAM:
    2.8 in
    Redmi Note 4:
    5.5 in
  • Depth

    Redmi Note 4: 9.5 mm thinner

    JAM:
    18 mm
    Redmi Note 4:
    8.5 mm
  • Height

    JAM: 43 mm shorter

    JAM:
    108 mm
    Redmi Note 4:
    151 mm
  • Release year

    JAM:
    2004
    Redmi Note 4:
    2017

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 +9.5 mm versus Redmi Note 4
  2. 2. Redmi Note 4

    Height:
    151 mm +43 mm versus JAM
    Width:
    76 mm +18 mm versus JAM
    Depth:
    8.5 mm

Weight

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

  1. 1. JAM

    150 g

  2. 2. Redmi Note 4

    165 g

    +15 g versus 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. JAM

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

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

Redmi Note 4 has approximately 243.5% 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

Redmi Note 4: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM; 64 GB · 3 GB RAM (China only)

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. Redmi Note 4

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. JAM

    1200 mAh

  2. 2. Redmi Note 4

    4100 mAh

    +2900 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. Redmi Note 4

Everyday essentials
Everyday essentials — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 151 Х 76 Х 8.5 mm
Weight
  • 150 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM; 64 GB
  • 3 GB RAM (China only)
Memory card support
  • SDIO/MMC
  • up to 2 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); MIUI 10
Chipset Unknown
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 83.4 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.8%
  • 72.7%
PPI /points per inch/
  • 143 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 1.3 MP
  • 13 MP
  • f/2.0
  • 1.12µm
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
Processor CPU
  • Intel PXA272 416 MHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 score * Unknown
  • 76000
GeekBench 4 Single Core * Unknown
  • 1475
GeekBench 4 Multi-Core * Unknown
  • 4010
GeekBench 4 RenderScript * Unknown
  • 3151
Antutu 8 score * Unknown
  • 102376
GeekBench 5 Single Core * Unknown
  • 171
GeekBench 5 Multi-Core * Unknown
  • 917
General specs
General specs — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
Release date
  • 2004
  • Q4
  • 2017
  • January
Colors
  • Stylish black and silver
  • Dark Gray
  • Gold
  • Black
  • Lake Blue (64/4GB model)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • Yes
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for JAM, Redmi Note 4.
SpecificationJAMRedmi Note 4
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 Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For Global market. Also known as Xiaomi Redmi Note 4x Global.