Eten M550 vs Oppo A8

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

    M550: 15 g lighter

    M550:
    165 g
    A8:
    180 g
  • Width

    M550: 14.5 mm narrower

    M550:
    61 mm
    A8:
    75.5 mm
  • Screen diagonal

    M550: 3.7 in smaller diagonal

    M550:
    2.8 in
    A8:
    6.5 in
  • Rear camera layout

    M550:
    Single
    A8:
    Triple
  • Depth

    A8: 13.7 mm thinner

    M550:
    22 mm
    A8:
    8.3 mm
  • Height

    M550: 51.9 mm shorter

    M550:
    112 mm
    A8:
    163.9 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. M550

    Height:
    112 mm
    Width:
    61 mm
    Depth:
    22 mm +13.7 mm versus A8
  2. 2. A8

    Height:
    163.9 mm +51.9 mm versus M550
    Width:
    75.5 mm +14.5 mm versus M550
    Depth:
    8.3 mm

Weight

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

  1. 1. M550

    165 g

  2. 2. A8

    180 g

    +15 g versus M550

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. M550

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A8

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

A8 has approximately 320.1% more rectangular screen area than M550.

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 M550, A8, compared at the same storage capacity.
StorageM550A8
128 GB Unknown 4 GB RAM
M550: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

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

1. M550

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD/SDIO

2. A8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. M550

    1440 mAh

  2. 2. A8

    4230 mAh

    +2790 mAh versus M550

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. M5502. A8

Everyday essentials
Everyday essentials — specifications for M550, A8.
SpecificationM550A8
Dimensions (HxWxD)
  • 112 Х 61 Х 22 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 165 g
  • 180 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 128GB 4GB RAM
Memory card support
  • SD/SDIO
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1440 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765V/CB Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for M550, A8.
SpecificationM550A8
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 102.8 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 35.5%
  • 83.0%
PPI /points per inch/
  • 143 PPI
  • 83 PPI
Camera and Video
Camera and Video — specifications for M550, A8.
SpecificationM550A8
Rear camera, main
  • 1.3 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 1.3 MP
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for M550, A8.
SpecificationM550A8
Processor CPU
  • Samsung 2440 400 MHz
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
Antutu 7 score * Unknown
  • 86232
General specs
General specs — specifications for M550, A8.
SpecificationM550A8
Release date
  • 2006
  • April
  • 2019
  • December
Colors
  • White
  • Green
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for M550, A8.
SpecificationM550A8
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • BDS
USB
  • Proprietary
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.2
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for M550, A8.
SpecificationM550A8
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • 480 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for M550, A8.
SpecificationM550A8
Dop
  • Pocket Office -eBook reader -Windows MPlayer 10 -Organizer -Voice memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass