Oppo Realme 3i vs Samsung i637 Jack

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

    i637 Jack: 72.9 g lighter

    Realme 3i:
    175 g
    i637 Jack:
    102.1 g
  • Width

    i637 Jack: 14.6 mm narrower

    Realme 3i:
    75.6 mm
    i637 Jack:
    61 mm
  • Screen diagonal

    i637 Jack: 3.8 in smaller diagonal

    Realme 3i:
    6.2 in
    i637 Jack:
    2.4 in
  • Rear camera layout

    Realme 3i:
    Dual
    i637 Jack:
    Single
  • Depth

    Realme 3i: 4.4 mm thinner

    Realme 3i:
    8.3 mm
    i637 Jack:
    12.7 mm
  • Height

    i637 Jack: 39.1 mm shorter

    Realme 3i:
    156.1 mm
    i637 Jack:
    117 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. Realme 3i

    Height:
    156.1 mm +39.1 mm versus i637 Jack
    Width:
    75.6 mm +14.6 mm versus i637 Jack
    Depth:
    8.3 mm
  2. 2. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm +4.4 mm versus Realme 3i

Weight

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

  1. 1. Realme 3i

    175 g

    +72.9 g versus i637 Jack

  2. 2. i637 Jack

    102.1 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. Realme 3i

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²
  2. 2. i637 Jack

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

Realme 3i has approximately 437.9% more rectangular screen area than i637 Jack.

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.

Realme 3i: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

i637 Jack: Original memory entry

256 MB RAM · 256 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. Realme 3i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated 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. Realme 3i

    4230 mAh

    +2750 mAh versus i637 Jack

  2. 2. i637 Jack

    1480 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. Realme 3i2. i637 Jack

Everyday essentials
Everyday essentials — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
Dimensions (HxWxD)
  • 156.1 Х 75.6 Х 8.3 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 175 g
  • 102.1 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 2.4" inch
Screen resolution
  • 720 x 1520 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 256 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • planned upgrade to Android 10.0
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 95.9 cm2
  • 17.8 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 81.3%
  • 25.0%
PPI /points per inch/
  • 271 PPI
  • 167 PPI
Screen protection
  • Corning Gorilla Glass (unspecified)
Unknown
Camera and Video
Camera and Video — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 3.15 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
Unknown
Performance
Performance — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • 528 MHz
Graphics processor GPU
  • Mali-G72 MP3
Unknown
General specs
General specs — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
Release date
  • 2019
  • July
  • 2009
  • May
Colors
  • Diamond Blue
  • Diamond Red
  • Diamond black
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 8000 INR
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat12 600/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
Radio
  • FM radio
  • No
Other features
Other features — specifications for Realme 3i, i637 Jack.
SpecificationRealme 3ii637 Jack
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T