BLU C4 vs Spice Mi-451 3G

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

    C4: 38 g lighter

    C4:
    118 g
    Mi-451 3G:
    156 g
  • Width

    C4: 5.3 mm narrower

    C4:
    64.2 mm
    Mi-451 3G:
    69.5 mm
  • Depth

    Mi-451 3G: 2.2 mm thinner

    C4:
    10.9 mm
    Mi-451 3G:
    8.7 mm
  • Height

    C4: 10.2 mm shorter

    C4:
    124.3 mm
    Mi-451 3G:
    134.5 mm
  • Release year

    C4:
    2018
    Mi-451 3G:
    2014

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. C4

    Height:
    124.3 mm
    Width:
    64.2 mm
    Depth:
    10.9 mm +2.2 mm versus Mi-451 3G
  2. 2. Mi-451 3G

    Height:
    134.5 mm +10.2 mm versus C4
    Width:
    69.5 mm +5.3 mm versus C4
    Depth:
    8.7 mm

Weight

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

  1. 1. C4

    118 g

  2. 2. Mi-451 3G

    156 g

    +38 g versus C4

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. C4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Mi-451 3G

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

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.

C4: Original memory entry

8 GB · 512 MB 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. C4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. Mi-451 3G

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

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. C4

    1300 mAh

  2. 2. Mi-451 3G

    1450 mAh

    +150 mAh versus C4

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. C42. Mi-451 3G

Everyday essentials
Everyday essentials — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
Dimensions (HxWxD)
  • 124.3 Х 64.2 Х 10.9 mm
  • 134.5 Х 69.5 Х 8.7 mm
Weight
  • 118 g
  • 156 g
Technology
  • IPS LCD
Unknown
Screen size
  • 4" inch
  • 0" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
Unknown
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Li-Po
  • 1450 mAh
  • Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.4 (KitKat)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 45.5 cm2
Unknown
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
Unknown
PPI /points per inch/
  • 233 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • 1.3 MP
Performance

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

Performance — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
Processor CPU
  • Quad-core 1.3 GHz
Unknown
Graphics processor GPU
  • Mali-400
Unknown
Antutu 7 score *
  • 21722
Unknown
General specs
General specs — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
Release date
  • 2018
  • August
  • 2014
Colors
  • Black
  • Gold
  • Blue
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
Unknown
Battery life
  • Stand by time- Up to 400 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 13 h (3G)
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.1
  • 2.0
Music and Audio
Music and Audio — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for C4, Mi-451 3G.
SpecificationC4Mi-451 3G
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer Also known as Spice Stellar 451 3G