Sharp Aquos R2 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

    Mi-451 3G: 25 g lighter

    Aquos R2:
    181 g
    Mi-451 3G:
    156 g
  • Width

    Mi-451 3G: 4.5 mm narrower

    Aquos R2:
    74 mm
    Mi-451 3G:
    69.5 mm
  • Rear camera layout

    Aquos R2:
    Dual
    Mi-451 3G:
    Single
  • Height

    Mi-451 3G: 21.5 mm shorter

    Aquos R2:
    156 mm
    Mi-451 3G:
    134.5 mm
  • Release year

    Aquos R2:
    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. Aquos R2

    Height:
    156 mm +21.5 mm versus Mi-451 3G
    Width:
    74 mm +4.5 mm versus Mi-451 3G
    Depth:
    9 mm
  2. 2. Mi-451 3G

    Height:
    134.5 mm
    Width:
    69.5 mm
    Depth:
    8.7 mm

Weight

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

  1. 1. Aquos R2

    181 g

    +25 g versus Mi-451 3G

  2. 2. Mi-451 3G

    156 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. Aquos R2

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    89.9 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.

Aquos R2: Original memory entry

64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Aquos R2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

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. Aquos R2

    3130 mAh

    +1680 mAh versus Mi-451 3G

  2. 2. Mi-451 3G

    1450 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. Aquos R22. Mi-451 3G

Everyday essentials
Everyday essentials — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
Dimensions (HxWxD)
  • 156 Х 74 Х 9 mm
  • 134.5 Х 69.5 Х 8.7 mm
Weight
  • 181 g
  • 156 g
Technology
  • IGZO IPS LCD
Unknown
Screen size
  • 6" inch
  • 0" inch
Screen resolution
  • 1440 x 3040 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
Unknown
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3130 mAh
  • Non-removable Li-Ion
  • 1450 mAh
  • Li-Ion
Operating system OS
  • Android 8.0 (Oreo)
  • Android 4.4 (KitKat)
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 89.9 cm2
Unknown
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 77.8%
Unknown
PPI /points per inch/
  • 561 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
Rear camera, main
  • 22.6 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 22.6 MP
  • PDAF -16.3 MP
  • PDAF (for video recording only)
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 2160p@30fps (dedicated video camera)
  • Yes
Front camera, selfie
  • 16.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 16.3 MP
  • 1.3 MP
Performance

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

Performance — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
Processor CPU
  • Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Unknown
Graphics processor GPU
  • Adreno 630
Unknown
Antutu 7 score *
  • 265822
Unknown
General specs
General specs — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
Release date
  • 2018
  • May
  • 2014
Colors
  • Black
  • White
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE
  • HSPA
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • A-GPS only
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
Music and Audio
Music and Audio — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Dolby Vision & Dolby Atmos
Unknown
Other features
Other features — specifications for Aquos R2, Mi-451 3G.
SpecificationAquos R2Mi-451 3G
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - IPX5/IPX8/IP6X
  • Sensors Accelerometer Also known as Spice Stellar 451 3G