Spice Mi-451 3G vs Xiaomi Redmi S2

Compare recorded specifications, size and practical differences.

+ Add a third phone

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-451 3G: 14 g lighter

    Mi-451 3G:
    156 g
    Redmi S2:
    170 g
  • Width

    Mi-451 3G: 7.8 mm narrower

    Mi-451 3G:
    69.5 mm
    Redmi S2:
    77.3 mm
  • Rear camera layout

    Mi-451 3G:
    Single
    Redmi S2:
    Dual
  • Depth

    Redmi S2: 0.6 mm thinner

    Mi-451 3G:
    8.7 mm
    Redmi S2:
    8.1 mm
  • Height

    Mi-451 3G: 26.2 mm shorter

    Mi-451 3G:
    134.5 mm
    Redmi S2:
    160.7 mm
  • Release year

    Mi-451 3G:
    2014
    Redmi S2:
    2018

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. Mi-451 3G

    Height:
    134.5 mm
    Width:
    69.5 mm
    Depth:
    8.7 mm +0.6 mm versus Redmi S2
  2. 2. Redmi S2

    Height:
    160.7 mm +26.2 mm versus Mi-451 3G
    Width:
    77.3 mm +7.8 mm versus Mi-451 3G
    Depth:
    8.1 mm

Weight

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

  1. 1. Mi-451 3G

    156 g

  2. 2. Redmi S2

    170 g

    +14 g versus Mi-451 3G

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Mi-451 3G

    Mi-451 3G: Screen geometry unavailable or conflicting.

  2. 2. Redmi S2

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

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.

Redmi S2: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Mi-451 3G

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

2. Redmi S2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Mi-451 3G

    1450 mAh

  2. 2. Redmi S2

    3080 mAh

    +1630 mAh versus Mi-451 3G

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. Mi-451 3G2. Redmi S2

Everyday essentials
Everyday essentials — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
Dimensions (HxWxD)
  • 134.5 Х 69.5 Х 8.7 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 156 g
  • 170 g
Technology Unknown
  • IPS LCD
Screen size
  • 0" inch
  • 5.99" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1450 mAh
  • Li-Ion
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4 (KitKat)
  • Android 8.1 (Oreo); MIUI 10
Chipset Unknown
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area Unknown
  • 92.6 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio Unknown
  • 74.5%
PPI /points per inch/
  • 0 PPI
  • 269 PPI
Camera and Video
Camera and Video — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions Unknown
  • HDR
  • LED flash
Video
  • Yes
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 1.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 1.3 MP
  • 16 MP
Performance

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

Performance — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
Processor CPU Unknown
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 score * Unknown
  • 78926
GeekBench 4 Single Core * Unknown
  • 835
GeekBench 4 Multi-Core * Unknown
  • 4087
GeekBench 5 Single Core * Unknown
  • 168
GeekBench 5 Multi-Core * Unknown
  • 985
General specs
General specs — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
Release date
  • 2014
  • 2018
  • May
Colors
  • White
  • Gray
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -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) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • A-GPS only
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Mi-451 3G, Redmi S2.
SpecificationMi-451 3GRedmi S2
Dop
  • Sensors Accelerometer Also known as Spice Stellar 451 3G
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India