i-mate JAM vs Xiaomi Redmi K20

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: 41 g lighter

    JAM:
    150 g
    Redmi K20:
    191 g
  • Width

    JAM: 16.3 mm narrower

    JAM:
    58 mm
    Redmi K20:
    74.3 mm
  • Screen diagonal

    JAM: 3.59 in smaller diagonal

    JAM:
    2.8 in
    Redmi K20:
    6.39 in
  • Rear camera layout

    JAM:
    Single
    Redmi K20:
    Triple
  • Depth

    Redmi K20: 9.2 mm thinner

    JAM:
    18 mm
    Redmi K20:
    8.8 mm
  • Height

    JAM: 48.7 mm shorter

    JAM:
    108 mm
    Redmi K20:
    156.7 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. JAM

    Height:
    108 mm
    Width:
    58 mm
    Depth:
    18 mm +9.2 mm versus Redmi K20
  2. 2. Redmi K20

    Height:
    156.7 mm +48.7 mm versus JAM
    Width:
    74.3 mm +16.3 mm versus JAM
    Depth:
    8.8 mm

Weight

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

  1. 1. JAM

    150 g

  2. 2. Redmi K20

    191 g

    +41 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 K20

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Redmi K20 has approximately 312.8% 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 K20: Original memory entry

256 GB · 8 GB RAM 64/128 GB · 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. JAM

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

2. Redmi K20

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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 K20

    4000 mAh

    +2800 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 K20

Everyday essentials
Everyday essentials — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
Dimensions (HxWxD)
  • 108 Х 58 Х 18 mm
  • 156.7 Х 74.3 Х 8.8 mm
Weight
  • 150 g
  • 191 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.8" inch
  • 6.39" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 256 GB
  • 8 GB RAM 64/128 GB
  • 6 GB RAM
Memory card support
  • SDIO/MMC
  • up to 2 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM730 Snapdragon 730 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 100.2 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 38.8%
  • 86.1%
PPI /points per inch/
  • 143 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
Rear camera, main
  • 1.3 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 1.3 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.4
  • 53mm (telephoto)
  • 1/4''
  • 1.12µm
  • PDAF
  • 2x optical zoom -13 MP
  • 12mm (ultrawide)
  • 1/3''
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • Motorized pop-up 20 MP
  • f/2.2
  • 0.8µm
Performance

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

Performance — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
Processor CPU
  • Intel PXA272 416 MHz
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU Unknown
  • Adreno 618
GeekBench 4 Single Core * Unknown
  • 2963
GeekBench 4 Multi-Core * Unknown
  • 10109
GeekBench 5 Single Core * Unknown
  • 525
GeekBench 5 Multi-Core * Unknown
  • 1629
General specs
General specs — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
Release date
  • 2004
  • Q4
  • 2019
  • May
Colors
  • Stylish black and silver
  • Carbon black
  • Flame red
  • Glacier blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 3 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 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
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
Radio
  • No
  • Yes
Others
  • Handwriting recognition
  • HDR
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for JAM, Redmi K20.
SpecificationJAMRedmi K20
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 (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - Also known as Xiaomi Mi 9T in Russia