Oppo Realme U1 vs Spice Mi-425 Stellar

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

    Mi-425 Stellar: 58 g lighter

    Realme U1:
    168 g
    Mi-425 Stellar:
    110 g
  • Width

    Mi-425 Stellar: 10.5 mm narrower

    Realme U1:
    74 mm
    Mi-425 Stellar:
    63.5 mm
  • Screen diagonal

    Mi-425 Stellar: 2.3 in smaller diagonal

    Realme U1:
    6.3 in
    Mi-425 Stellar:
    4 in
  • Rear camera layout

    Realme U1:
    Dual
    Mi-425 Stellar:
    Single
  • Depth

    Realme U1: 4.5 mm thinner

    Realme U1:
    8 mm
    Mi-425 Stellar:
    12.5 mm
  • Height

    Mi-425 Stellar: 32 mm shorter

    Realme U1:
    157 mm
    Mi-425 Stellar:
    125 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 U1

    Height:
    157 mm +32 mm versus Mi-425 Stellar
    Width:
    74 mm +10.5 mm versus Mi-425 Stellar
    Depth:
    8 mm
  2. 2. Mi-425 Stellar

    Height:
    125 mm
    Width:
    63.5 mm
    Depth:
    12.5 mm +4.5 mm versus Realme U1

Weight

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

  1. 1. Realme U1

    168 g

    +58 g versus Mi-425 Stellar

  2. 2. Mi-425 Stellar

    110 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 U1

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. Mi-425 Stellar

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Realme U1 has approximately 113.9% more rectangular screen area than Mi-425 Stellar.

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 U1: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

Mi-425 Stellar: Original memory entry

149 MB

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 U1

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

2. Mi-425 Stellar

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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 U1

    3500 mAh

    +1500 mAh versus Mi-425 Stellar

  2. 2. Mi-425 Stellar

    2000 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 U12. Mi-425 Stellar

Everyday essentials
Everyday essentials — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
Dimensions (HxWxD)
  • 157 Х 74 Х 8 mm
  • 125 Х 63.5 Х 12.5 mm
Weight
  • 168 g
  • 110 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 6.3" inch
  • 4" inch
Screen resolution
  • 1080 x 2340 px
  • 480 x 800 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
  • 149 MB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek Helio P70 (12nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 97.4 cm2
  • 45.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 83.9%
  • 57.4%
PPI /points per inch/
  • 409 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
Rear camera, main
  • 13 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 5 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 25 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • VGA
Performance
Performance — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • 1.0 GHz
Graphics processor GPU
  • Mali-G72 MP3
Unknown
General specs
General specs — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
Release date
  • 2018
  • November
  • 2012
  • June
Colors
  • Ambitious Black
  • Brave Blue
  • Fiery Gold
  • white/black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 90 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
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 900 / 1800
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 4.2
  • A2DP
  • LE
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.36 W/kg (head)
Music and Audio
Music and Audio — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Realme U1, Mi-425 Stellar.
SpecificationRealme U1Mi-425 Stellar
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/2A 10W
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.263 player -MP3/WAV/AAC+ player -Organizer -Document viewer -Photo/video editor -Voice memo -Predictive text input