Oppo R15x vs Spice Mi-450 Smartflo Ivory

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-450 Smartflo Ivory: 26 g lighter

    R15x:
    156 g
    Mi-450 Smartflo Ivory:
    130 g
  • Width

    Mi-450 Smartflo Ivory: 7 mm narrower

    R15x:
    75.5 mm
    Mi-450 Smartflo Ivory:
    68.5 mm
  • Screen diagonal

    Mi-450 Smartflo Ivory: 1.9 in smaller diagonal

    R15x:
    6.4 in
    Mi-450 Smartflo Ivory:
    4.5 in
  • Chipset

    R15x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Mi-450 Smartflo Ivory:
    Mediatek MT6517
  • Rear camera layout

    R15x:
    Dual
    Mi-450 Smartflo Ivory:
    Single
  • Depth

    R15x: 3.7 mm thinner

    R15x:
    7.4 mm
    Mi-450 Smartflo Ivory:
    11.1 mm

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. R15x

    Height:
    158.3 mm +26.6 mm versus Mi-450 Smartflo Ivory
    Width:
    75.5 mm +7 mm versus Mi-450 Smartflo Ivory
    Depth:
    7.4 mm
  2. 2. Mi-450 Smartflo Ivory

    Height:
    131.7 mm
    Width:
    68.5 mm
    Depth:
    11.1 mm +3.7 mm versus R15x

Weight

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

  1. 1. R15x

    156 g

    +26 g versus Mi-450 Smartflo Ivory

  2. 2. Mi-450 Smartflo Ivory

    130 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.

  1. 1. R15x

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. Mi-450 Smartflo Ivory

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²

R15x has approximately 74.4% more rectangular screen area than Mi-450 Smartflo Ivory.

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.

Recorded RAM for R15x, Mi-450 Smartflo Ivory, compared at the same storage capacity.
StorageR15xMi-450 Smartflo Ivory
128 GB 6 GB RAM Unknown

Practical features

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

1. R15x

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

2. Mi-450 Smartflo Ivory

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. R15x

    3600 mAh

    +2100 mAh versus Mi-450 Smartflo Ivory

  2. 2. Mi-450 Smartflo Ivory

    1500 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. R15x2. Mi-450 Smartflo Ivory

Everyday essentials
Everyday essentials — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 131.7 Х 68.5 Х 11.1 mm
Weight
  • 156 g
  • 130 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.4" inch
  • 4.5" inch
Screen resolution
  • 1080 x 2340 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
Unknown
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Mediatek MT6517
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 101.0 cm2
  • 57.6 cm2
Screen format
  • 19.5:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 84.5%
  • 63.9%
PPI /points per inch/
  • 402 PPI
  • 207 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
Rear camera, main
  • 16 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 3.15 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 25 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 1.3 MP
Performance

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

Performance — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Adreno 512
  • PowerVR SGX531u
Antutu 7 score *
  • 143726
Unknown
General specs
General specs — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
Release date
  • 2018
  • October
  • 2013
  • May
Colors
  • Nebula
  • Silver Green
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 2100 / 900 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for R15x, Mi-450 Smartflo Ivory.
SpecificationR15xMi-450 Smartflo Ivory
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Accelerometer