HTC One S9 vs Xiaomi Mi A2 (Mi 6X)

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

    One S9: 8 g lighter

    One S9:
    158 g
    Mi A2 (Mi 6X):
    166 g
  • Width

    One S9: 5.7 mm narrower

    One S9:
    69.7 mm
    Mi A2 (Mi 6X):
    75.4 mm
  • Screen diagonal

    One S9: 0.99 in smaller diagonal

    One S9:
    5 in
    Mi A2 (Mi 6X):
    5.99 in
  • Chipset

    One S9:
    Mediatek MT6795 Helio X10 (28 nm)
    Mi A2 (Mi 6X):
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    One S9:
    Single
    Mi A2 (Mi 6X):
    Dual
  • Depth

    Mi A2 (Mi 6X): 2.8 mm thinner

    One S9:
    10.1 mm
    Mi A2 (Mi 6X):
    7.3 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. One S9

    Height:
    144.6 mm
    Width:
    69.7 mm
    Depth:
    10.1 mm +2.8 mm versus Mi A2 (Mi 6X)
  2. 2. Mi A2 (Mi 6X)

    Height:
    158.7 mm +14.1 mm versus One S9
    Width:
    75.4 mm +5.7 mm versus One S9
    Depth:
    7.3 mm

Weight

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

  1. 1. One S9

    158 g

  2. 2. Mi A2 (Mi 6X)

    166 g

    +8 g versus One S9

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. One S9

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Mi A2 (Mi 6X)

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Mi A2 (Mi 6X) has approximately 34.4% more rectangular screen area than One S9.

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 One S9, Mi A2 (Mi 6X), compared at the same storage capacity.
StorageOne S9Mi A2 (Mi 6X)
16 GB 2 GB RAM Unknown
Mi A2 (Mi 6X): Original memory entry

128 GB · 6 GB RAM 32/64 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. One S9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot)

2. Mi A2 (Mi 6X)

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

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. One S9

    2840 mAh

  2. 2. Mi A2 (Mi 6X)

    3000 mAh

    +160 mAh versus One S9

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. One S92. Mi A2 (Mi 6X)

Everyday essentials
Everyday essentials — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
Dimensions (HxWxD)
  • 144.6 Х 69.7 Х 10.1 mm
  • 158.7 Х 75.4 Х 7.3 mm
Weight
  • 158 g
  • 166 g
Technology
  • Super LCD
  • LTPS IPS LCD
Screen size
  • 5" inch
  • 5.99" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 128 GB
  • 6 GB RAM 32/64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2840 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow); Sense UI
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); Android One
Chipset
  • Mediatek MT6795 Helio X10 (28 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 92.6 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 68.4%
  • 77.4%
PPI /points per inch/
  • 441 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
Unknown
Camera and Video
Camera and Video — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.0
  • 28mm (wide)
  • OIS
  • AF
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm -20 MP
  • 1/2.8''
  • 1.0µm
  • PDAF
Functions
  • HDR
  • LED flash
  • Auto-HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 4 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • 20 MP
  • f/2.2
  • 1/2.8''
  • 1.0µm
Performance

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

Performance — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • PowerVR G6200
  • Adreno 512
Antutu 7 score *
  • 48256
  • 133905
GeekBench 4 Single Core *
  • 792
Unknown
GeekBench 4 Multi-Core *
  • 3028
Unknown
Antutu 8 score * Unknown
  • 161030
GeekBench 5 Single Core * Unknown
  • 332
GeekBench 5 Multi-Core * Unknown
  • 1290
General specs
General specs — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
Release date
  • 2016
  • April
  • 2018
  • July
Colors
  • Silver
  • Gold
  • Black
  • Gold
  • Blue
  • Red
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 210 EUR
  • 190 EUR
Battery life
  • Stand by time- Up to 658 h (3G) Talking time- Up to 13 h (3G)
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 1900 / 2100 - China -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
Radio
  • FM radio
  • No
Others
  • Dolby Audio enhancement -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for One S9, Mi A2 (Mi 6X).
SpecificationOne S9Mi A2 (Mi 6X)
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W (Quick Charge 3.0) -Fast battery charging (Quick Charge 4.0) India only - Versions: Mi A2 (Global); Mi 6X (China)