Celkon Millennia Epic Q550 vs Samsung Galaxy M31

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.

  • Display technology

    OLED versus LCD

    Millennia Epic Q550:
    LCD
    Galaxy M31:
    OLED
  • Weight

    Millennia Epic Q550: 47.2 g lighter

    Millennia Epic Q550:
    143.8 g
    Galaxy M31:
    191 g
  • Screen diagonal

    Millennia Epic Q550: 0.9 in smaller diagonal

    Millennia Epic Q550:
    5.5 in
    Galaxy M31:
    6.4 in
  • Chipset

    Millennia Epic Q550:
    Mediatek MT6582 (28 nm)
    Galaxy M31:
    Exynos 9611 (10nm)
  • Rear camera layout

    Millennia Epic Q550:
    Single
    Galaxy M31:
    Triple
  • Depth

    Millennia Epic Q550: 1 mm thinner

    Millennia Epic Q550:
    7.9 mm
    Galaxy M31:
    8.9 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. Millennia Epic Q550

    Height:
    152 mm
    Width:
    76 mm
    Depth:
    7.9 mm
  2. 2. Galaxy M31

    Height:
    159.2 mm +7.2 mm versus Millennia Epic Q550
    Width:
    75.1 mm
    Depth:
    8.9 mm +1 mm versus Millennia Epic Q550

Weight

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

  1. 1. Millennia Epic Q550

    143.8 g

  2. 2. Galaxy M31

    191 g

    +47.2 g versus Millennia Epic Q550

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. Millennia Epic Q550

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Galaxy M31

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²

Galaxy M31 has approximately 20.6% more rectangular screen area than Millennia Epic Q550.

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 Millennia Epic Q550, Galaxy M31, compared at the same storage capacity.
StorageMillennia Epic Q550Galaxy M31
16 GB 1 GB RAM Not recorded
64 GB Not recorded 6 GB RAM
128 GB Not recorded 6 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. Millennia Epic Q550

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

2. Galaxy M31

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Millennia Epic Q550

    3500 mAh

  2. 2. Galaxy M31

    6000 mAh

    +2500 mAh versus Millennia Epic Q550

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. Millennia Epic Q5502. Galaxy M31

Everyday essentials
Everyday essentials — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
Dimensions (HxWxD)
  • 152 Х 76 Х 7.9 mm
  • 159.2 Х 75.1 Х 8.9 mm
Weight
  • 143.8 g
  • 191 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6.4" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Li-Ion
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 10.0; One UI 2.0
Chipset
  • Mediatek MT6582 (28 nm)
  • Exynos 9611 (10nm)
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 100.5 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 72.2%
  • 84.1%
PPI /points per inch/
  • 267 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
Rear camera, main
  • 8 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 8 MP
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0"
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 2 MP
  • 32 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.8''
  • 0.8µm
Performance

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

Performance — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400MP2
  • Mali-G72 MP3
Antutu 8 score * Unknown
  • 194554
General specs
General specs — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
Release date
  • 2014
  • November
  • 2020
  • February 25
Colors
  • Black
  • White
  • Ocean Blue
  • Space Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)
Music and Audio
Music and Audio — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
Radio
  • FM radio
  • FM radio
  • RDS
  • recording
Other features
Other features — specifications for Millennia Epic Q550, Galaxy M31.
SpecificationMillennia Epic Q550Galaxy M31
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W - Versions: SM-M315F/DS