Meizu m1 metal vs Oppo A91

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

    m1 metal:
    LCD
    A91:
    OLED
  • Weight

    m1 metal: 10 g lighter

    m1 metal:
    162 g
    A91:
    172 g
  • Width

    A91: 2 mm narrower

    m1 metal:
    75.3 mm
    A91:
    73.3 mm
  • Screen diagonal

    m1 metal: 0.9 in smaller diagonal

    m1 metal:
    5.5 in
    A91:
    6.4 in
  • Chipset

    m1 metal:
    Mediatek MT6795 Helio X10 (28 nm)
    A91:
    Mediatek MT6771V Helio P70 (12nm)
  • Rear camera layout

    m1 metal:
    Single
    A91:
    Quad

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. m1 metal

    Height:
    150.7 mm
    Width:
    75.3 mm +2 mm versus A91
    Depth:
    8.2 mm
  2. 2. A91

    Height:
    160.2 mm +9.5 mm versus m1 metal
    Width:
    73.3 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. m1 metal

    162 g

  2. 2. A91

    172 g

    +10 g versus m1 metal

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. m1 metal

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A91

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

A91 has approximately 18.6% more rectangular screen area than m1 metal.

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 m1 metal, A91, compared at the same storage capacity.
Storagem1 metalA91
16 GB 2 GB RAM Not recorded
32 GB 2 GB RAM Not recorded
128 GB Not recorded 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. m1 metal

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. A91

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. m1 metal

    3140 mAh

  2. 2. A91

    4025 mAh

    +885 mAh versus m1 metal

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. m1 metal2. A91

Everyday essentials
Everyday essentials — specifications for m1 metal, A91.
Specificationm1 metalA91
Dimensions (HxWxD)
  • 150.7 Х 75.3 Х 8.2 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 162 g
  • 172 g
Technology
  • LTPS IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 6.4" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3140 mAh
  • Non-removable Li-Ion
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Android
  • 5.1.1 (Lollipop); Flyme 5.1
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Mediatek MT6795 Helio X10 (28 nm)
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for m1 metal, A91.
Specificationm1 metalA91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 82.6 cm2
  • 100.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 72.8%
  • 85.5%
PPI /points per inch/
  • 403 PPI
  • 408 PPI
Screen protection
  • Dinorex T2X-1 scratch/shock resistant glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for m1 metal, A91.
Specificationm1 metalA91
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • AF
  • f/2.2
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for m1 metal, A91.
Specificationm1 metalA91
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • PowerVR G6200
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 135756
GeekBench 4 Single Core *
  • 776
Unknown
GeekBench 4 Multi-Core *
  • 2675
Unknown
GeekBench 4 RenderScript *
  • 2373
Unknown
General specs
General specs — specifications for m1 metal, A91.
Specificationm1 metalA91
Release date
  • 2015
  • October
  • 2019
  • December
Colors
  • White
  • Gold
  • Gray
  • Blue
  • Pink
  • Dark Blue
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 260 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for m1 metal, A91.
Specificationm1 metalA91
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for m1 metal, A91.
Specificationm1 metalA91
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for m1 metal, A91.
Specificationm1 metalA91
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as Meizu Blue Charm Metal
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0