Mitac MIO A502 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.

  • Weight

    MIO A502: 37 g lighter

    MIO A502:
    135 g
    A91:
    172 g
  • Width

    MIO A502: 13.7 mm narrower

    MIO A502:
    59.6 mm
    A91:
    73.3 mm
  • Screen diagonal

    MIO A502: 3.7 in smaller diagonal

    MIO A502:
    2.7 in
    A91:
    6.4 in
  • Chipset

    MIO A502:
    TI OMAP 850
    A91:
    Mediatek MT6771V Helio P70 (12nm)
  • Rear camera layout

    MIO A502:
    Single
    A91:
    Quad
  • Depth

    A91: 12.8 mm thinner

    MIO A502:
    20.7 mm
    A91:
    7.9 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. MIO A502

    Height:
    95.7 mm
    Width:
    59.6 mm
    Depth:
    20.7 mm +12.8 mm versus A91
  2. 2. A91

    Height:
    160.2 mm +64.5 mm versus MIO A502
    Width:
    73.3 mm +13.7 mm versus MIO A502
    Depth:
    7.9 mm

Weight

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

  1. 1. MIO A502

    135 g

  2. 2. A91

    172 g

    +37 g versus MIO A502

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. MIO A502

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 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 338% more rectangular screen area than MIO A502.

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 MIO A502, A91, compared at the same storage capacity.
StorageMIO A502A91
128 GB Unknown 8 GB RAM
MIO A502: Original memory entry

64 MB RAM · ROM varies by region

Practical features

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

1. MIO A502

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

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. MIO A502

    1050 mAh

  2. 2. A91

    4025 mAh

    +2975 mAh versus MIO A502

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. MIO A5022. A91

Everyday essentials
Everyday essentials — specifications for MIO A502, A91.
SpecificationMIO A502A91
Dimensions (HxWxD)
  • 95.7 Х 59.6 Х 20.7 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 135 g
  • 172 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.7" inch
  • 6.4" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • ROM varies by region
  • 128GB 8GB RAM
Memory card support
  • SD/MMC
  • SDIO
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Windows Mobile 6 Professional
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • TI OMAP 850
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for MIO A502, A91.
SpecificationMIO A502A91
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 22.6 cm2
  • 100.4 cm2
Screen format
  • 4:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 39.6%
  • 85.5%
PPI /points per inch/
  • 148 PPI
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for MIO A502, A91.
SpecificationMIO A502A91
Rear camera, main
  • 2 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 2 MP
  • 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
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 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 MIO A502, A91.
SpecificationMIO A502A91
Processor CPU
  • 200 MHz ARM926EJ-S
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 135756
General specs
General specs — specifications for MIO A502, A91.
SpecificationMIO A502A91
Release date
  • 2007
  • Q4
  • 2019
  • December
Colors
  • Gray
  • Dark Blue
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life
  • Stand by time- Up to 200 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for MIO A502, A91.
SpecificationMIO A502A91
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 / 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 Unknown
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge Unknown
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for MIO A502, A91.
SpecificationMIO A502A91
Radio
  • No
  • FM radio
Others
  • Handwriting recognition -5 way joystick
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for MIO A502, A91.
SpecificationMIO A502A91
Dop
  • Car antenna connector -MP3/MP4 player -Organizer -Pocket Office -Voice memo/dial
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0