Spice Mi-451 3G vs Vodafone Smart first 7

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

    Smart first 7: 46 g lighter

    Mi-451 3G:
    156 g
    Smart first 7:
    110 g
  • Width

    Smart first 7: 6.7 mm narrower

    Mi-451 3G:
    69.5 mm
    Smart first 7:
    62.8 mm
  • Depth

    Mi-451 3G: 3.3 mm thinner

    Mi-451 3G:
    8.7 mm
    Smart first 7:
    12 mm
  • Height

    Smart first 7: 20.1 mm shorter

    Mi-451 3G:
    134.5 mm
    Smart first 7:
    114.4 mm
  • Release year

    Mi-451 3G:
    2014
    Smart first 7:
    2016

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 +20.1 mm versus Smart first 7
    Width:
    69.5 mm +6.7 mm versus Smart first 7
    Depth:
    8.7 mm
  2. 2. Smart first 7

    Height:
    114.4 mm
    Width:
    62.8 mm
    Depth:
    12 mm +3.3 mm versus Mi-451 3G

Weight

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

  1. 1. Mi-451 3G

    156 g

    +46 g versus Smart first 7

  2. 2. Smart first 7

    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.

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. Smart first 7

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 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.

Smart first 7: Original memory entry

4 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. Mi-451 3G

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

2. Smart first 7

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

    +50 mAh versus Smart first 7

  2. 2. Smart first 7

    1400 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. Mi-451 3G2. Smart first 7

Everyday essentials
Everyday essentials — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
Dimensions (HxWxD)
  • 134.5 Х 69.5 Х 8.7 mm
  • 114.4 Х 62.8 Х 12 mm
Weight
  • 156 g
  • 110 g
Technology Unknown
  • TFT TN
Screen size
  • 0" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1450 mAh
  • Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4 (KitKat)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Spreadtrum SC7731G
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Screen area Unknown
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio Unknown
  • 50.8%
PPI /points per inch/
  • 0 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
Processor CPU Unknown
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
Release date
  • 2014
  • 2016
  • May
Colors
  • White
  • Gray
  • Volcano Black
  • Tech White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 30 EUR
Battery life
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
  • Talking time- Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800
Speed
  • HSPA
  • HSPA 21.1/5.76 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
  • hotspot
GPS
  • A-GPS only
  • A-GPS only
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Mi-451 3G, Smart first 7.
SpecificationMi-451 3GSmart first 7
Dop
  • Sensors Accelerometer Also known as Spice Stellar 451 3G
  • Sensors No