Asus ROG Phone 3 vs Xiaomi Mi A3

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

    Mi A3: 66.2 g lighter

    ROG Phone 3:
    240 g
    Mi A3:
    173.8 g
  • Width

    Mi A3: 6.1 mm narrower

    ROG Phone 3:
    78 mm
    Mi A3:
    71.9 mm
  • Screen diagonal

    Mi A3: 0.58 in smaller diagonal

    ROG Phone 3:
    6.59 in
    Mi A3:
    6.01 in
  • Depth

    Mi A3: 1.4 mm thinner

    ROG Phone 3:
    9.9 mm
    Mi A3:
    8.5 mm
  • Height

    Mi A3: 17.5 mm shorter

    ROG Phone 3:
    171 mm
    Mi A3:
    153.5 mm
  • Release year

    ROG Phone 3:
    2020
    Mi A3:
    2019

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. ROG Phone 3

    Height:
    171 mm +17.5 mm versus Mi A3
    Width:
    78 mm +6.1 mm versus Mi A3
    Depth:
    9.9 mm +1.4 mm versus Mi A3
  2. 2. Mi A3

    Height:
    153.5 mm
    Width:
    71.9 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. ROG Phone 3

    240 g

    +66.2 g versus Mi A3

  2. 2. Mi A3

    173.8 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. ROG Phone 3

    Screen diagonal:
    6.59 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    106.6 cm²
  2. 2. Mi A3

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

ROG Phone 3 has approximately 20.2% more rectangular screen area than Mi A3.

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 ROG Phone 3, Mi A3, compared at the same storage capacity.
StorageROG Phone 3Mi A3
128 GB 12 GB RAM Unknown
256 GB 12 GB RAM Unknown
512 GB 12 / 16 GB RAM Alternative RAM configurations Unknown
Mi A3: Original memory entry

64/128 GB · 512GB 4GB

Practical features

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

1. ROG Phone 3

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

2. Mi A3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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. ROG Phone 3

    6000 mAh

    +1970 mAh versus Mi A3

  2. 2. Mi A3

    4030 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. ROG Phone 32. Mi A3

Everyday essentials
Everyday essentials — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
Dimensions (HxWxD)
  • 171 Х 78 Х 9.9 mm
  • 153.5 Х 71.9 Х 8.5 mm
Weight
  • 240 g
  • 173.8 g
Technology
  • AMOLED
  • Super AMOLED
Screen size
  • 6.59" inc
  • 6.01" inch
Screen resolution
  • 1080 x 2340 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 12GB RAM
  • 256GB 12GB RAM
  • 512GB 12GB RAM
  • 512GB 16GB RAM
  • 64/128 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 6000 mAh
  • Non-removable Li-Po
  • 4030 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10
  • ROG UI
  • Android 9.0 (Pie); Android One
Chipset
  • - Qualcomm SM8250 Snapdragon 865+ (7 nm+)
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 1B
  • 16M
Screen area
  • 106.6 cm2
  • 88.7 cm2
Screen format
  • 19.5:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 79.9%
  • 80.3%
PPI /points per inch/ Unknown
  • 286 PPI
Screen protection
  • Corning Gorilla Glass 6
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
Rear camera, main
  • 64 MP
  • Triple
  • 48 MP
  • Triple
Camera specs
  • -64 MP
  • f/1.8
  • (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -13 MP
  • f/2.4
  • 125˚
  • 11mm (ultrawide) -5 MP
  • f/2.0
  • (macro)
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • (ultrawide)
  • f/2.2
  • 1.12µm -2 MP
  • f/2.4
  • depth sensor
Functions
  • panorama
  • HDR
  • HDR
Video
  • 8K@30fps
  • 4K@30/60/120fps
  • 1080p@30/60/240fps
  • 720p@480fps; gyro-EIS
  • 1080p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 24 MP
  • f/2.0
  • 27mm (wide)
  • 0.9μm
  • 32 MP
  • f/2.0
  • 0.8µm
Performance

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

Performance — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
Processor CPU
  • - Octa-core (1x3.1 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Octa-core (2x2.0 GHz Kryo 260 Gold & 6x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • - Adreno 650
  • Adreno 610
Antutu 7 score * Unknown
  • 142658
GeekBench 4 Single Core * Unknown
  • 1501
GeekBench 4 Multi-Core * Unknown
  • 5662
Antutu 8 score *
  • 632274
  • 177109
GeekBench 5 Single Core * Unknown
  • 312
GeekBench 5 Multi-Core * Unknown
  • 1357
General specs
General specs — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
Release date
  • 2020
  • July 22
  • 2019
  • July
Colors
  • Black
  • Kind of Gray
  • Not just Blue
  • More than White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 1000 EUR
  • 250 EUR
Body build
  • Glass front (Gorilla Glass 6)
  • glass back (Gorilla Glass)
  • aluminum frame
  • Back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - A versionHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - B version -4G - 1
  • 2
  • 3
  • 4
  • 5
  • 7
  • 8
  • 12
  • 13
  • 17
  • 18
  • 19
  • 20
  • 25
  • 26
  • 28
  • 29
  • 30
  • 32
  • 34
  • 38
  • 39
  • 40
  • 41
  • 42
  • 48
  • 66
  • 71 - A version -5G - 1
  • 71
  • 77
  • 78
  • 79 SA/NSA - A version 41
  • 79 SA/NSA - B version
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300) - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat20 2000/150 Mbps
  • 5G 4.4 Gbps DL
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) 450/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/6
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • GNSS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Two (side 3.1
  • bottom 2.0) Type-C 1.0 reversible connector; accessory connector
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
Radio Unknown
  • FM radio
Others
  • - HDR10+ -144Hz refresh rate -650 nits max. brightness
  • - 24-bit/192kHz audio
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for ROG Phone 3, Mi A3.
SpecificationROG Phone 3Mi A3
Dop
  • - Sensors - Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W -Quick Charge 4.0
  • 3.0 -Reverse charging 10W - RGB light panel -Pressure sensitive zones
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 3)