Spice Mi-451 3G vs Xiaomi Mi 8

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: 19 g lighter

    Mi-451 3G:
    156 g
    Mi 8:
    175 g
  • Width

    Mi-451 3G: 5.3 mm narrower

    Mi-451 3G:
    69.5 mm
    Mi 8:
    74.8 mm
  • Rear camera layout

    Mi-451 3G:
    Single
    Mi 8:
    Dual
  • Depth

    Mi 8: 1.1 mm thinner

    Mi-451 3G:
    8.7 mm
    Mi 8:
    7.6 mm
  • Height

    Mi-451 3G: 20.4 mm shorter

    Mi-451 3G:
    134.5 mm
    Mi 8:
    154.9 mm
  • Release year

    Mi-451 3G:
    2014
    Mi 8:
    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 +1.1 mm versus Mi 8
  2. 2. Mi 8

    Height:
    154.9 mm +20.4 mm versus Mi-451 3G
    Width:
    74.8 mm +5.3 mm versus Mi-451 3G
    Depth:
    7.6 mm

Weight

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

  1. 1. Mi-451 3G

    156 g

  2. 2. Mi 8

    175 g

    +19 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. Mi 8

    Screen diagonal:
    6.21 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.3 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.

Mi 8: Original memory entry

64/128/256 GB · 6 GB RAM 128 GB · 8 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. Mi 8

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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. Mi 8

    3400 mAh

    +1950 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. Mi 8

Everyday essentials
Everyday essentials — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
Dimensions (HxWxD)
  • 134.5 Х 69.5 Х 8.7 mm
  • 154.9 Х 74.8 Х 7.6 mm
Weight
  • 156 g
  • 175 g
Technology Unknown
  • Super AMOLED
Screen size
  • 0" inch
  • 6.21" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2248 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1450 mAh
  • Li-Ion
  • 3400 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4 (KitKat)
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area Unknown
  • 97.1 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio Unknown
  • 83.8%
PPI /points per inch/
  • 0 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 3.15 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 56mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
Functions Unknown
  • Dual-LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 1.3 MP
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score * Unknown
  • 99
DxOMark Photo * Unknown
  • 105
DxOMark Video * Unknown
  • 88
Performance

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

Performance — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
Processor CPU Unknown
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
Antutu 7 score * Unknown
  • 297023
GeekBench 4 Single Core * Unknown
  • 2280
GeekBench 4 Multi-Core * Unknown
  • 8242
GeekBench 4 RenderScript * Unknown
  • 13089
Antutu 8 score * Unknown
  • 353884
GeekBench 4 Battery * Unknown
  • 3965
GeekBench 5 Single Core * Unknown
  • 447
GeekBench 5 Multi-Core * Unknown
  • 1898
General specs
General specs — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
Release date
  • 2014
  • 2018
  • May
Colors
  • White
  • Gray
  • Black
  • Blue
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 380 EUR
Battery life
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
Unknown
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • A-GPS only
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
Radio
  • FM radio
  • No
Others Unknown
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Mi-451 3G, Mi 8.
SpecificationMi-451 3GMi 8
Dop
  • Sensors Accelerometer Also known as Spice Stellar 451 3G
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)