Samsung Galaxy A9 (2018) vs Xiaomi Poco X2

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.

  • Display technology

    OLED versus LCD

    Galaxy A9 (2018):
    OLED
    Poco X2:
    LCD
  • Weight

    Galaxy A9 (2018): 25 g lighter

    Galaxy A9 (2018):
    183 g
    Poco X2:
    208 g
  • Screen diagonal

    Galaxy A9 (2018): 0.37 in smaller diagonal

    Galaxy A9 (2018):
    6.3 in
    Poco X2:
    6.67 in
  • Chipset

    Galaxy A9 (2018):
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Poco X2:
    Qualcomm SDM730 Snapdragon 730G (8 nm)
  • Depth

    Galaxy A9 (2018): 1 mm thinner

    Galaxy A9 (2018):
    7.8 mm
    Poco X2:
    8.8 mm
  • Height

    Galaxy A9 (2018): 2.8 mm shorter

    Galaxy A9 (2018):
    162.5 mm
    Poco X2:
    165.3 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. Galaxy A9 (2018)

    Height:
    162.5 mm
    Width:
    77 mm
    Depth:
    7.8 mm
  2. 2. Poco X2

    Height:
    165.3 mm +2.8 mm versus Galaxy A9 (2018)
    Width:
    76.6 mm
    Depth:
    8.8 mm +1 mm versus Galaxy A9 (2018)

Weight

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

  1. 1. Galaxy A9 (2018)

    183 g

  2. 2. Poco X2

    208 g

    +25 g versus Galaxy A9 (2018)

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. Galaxy A9 (2018)

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    100.7 cm²
  2. 2. Poco X2

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

Poco X2 has approximately 6.6% more rectangular screen area than Galaxy A9 (2018).

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 Galaxy A9 (2018), Poco X2, compared at the same storage capacity.
StorageGalaxy A9 (2018)Poco X2
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
256 GB Unknown 8 GB RAM
Galaxy A9 (2018): Original memory entry

64/128 GB · 6/8 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. Galaxy A9 (2018)

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

2. Poco X2

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Galaxy A9 (2018)

    3800 mAh

  2. 2. Poco X2

    4500 mAh

    +700 mAh versus Galaxy A9 (2018)

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. Galaxy A9 (2018)2. Poco X2

Everyday essentials
Everyday essentials — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
Dimensions (HxWxD)
  • 162.5 Х 77 Х 7.8 mm
  • 165.3 Х 76.6 Х 8.8 mm
Weight
  • 183 g
  • 208 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.3" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2220 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6/8 GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSD
  • up to 512 GB (dedicated slot)
  • microSDXC (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3800 mAh
  • Non-removable Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.0 (Oreo)
  • planned upgrade to Android 9.0 (Pie)
  • Android 10.0; MIUI 11
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM730 Snapdragon 730G (8 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.2 cm2
  • 107.4 cm2
Screen format
  • 18.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 80.1%
  • 84.8%
PPI /points per inch/
  • 393 PPI
  • 395 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
Rear camera, main
  • 24 MP
  • Quad
  • 64 MP
  • Quad
Camera specs
  • 24 MP
  • f/1.7
  • 27mm (wide)
  • 1/2.8''
  • 0.9µm
  • PDAF -8 MP
  • f/2.4
  • 12mm (ultrawide)
  • 1/4.0''
  • 1.12µm -10 MP f/2.4
  • 52mm
  • (telephoto)
  • 1/3.9''
  • 1.0µm
  • 2x optical zoom -5 MP
  • f/2.2
  • 24mm (wide)
  • 1/5.0''
  • 1.12µm
  • depth sensor
  • 64 MP
  • f/1.9
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -2 MP
  • f/2.4
  • 1/5.0''
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 20 MP
  • Dual
Specifications
  • 24 MP
  • f/2.0
  • 27mm (wide)
  • 1/2.8''
  • 0.9μm
  • 20 MP
  • f/2.2
  • 27mm (wide)
  • 1/3.4''
  • 0.8µm 2 MP
  • f/2.4
  • 1/5''
  • 1.75µm
  • depth sensor
DxOMark Main Score *
  • 88
Unknown
DxOMark Photo *
  • 93
Unknown
DxOMark Video *
  • 77
Unknown
Performance

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

Performance — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 512
  • Adreno 618
Antutu 7 score *
  • 142728
Unknown
Antutu 8 score * Unknown
  • 279215
GeekBench 5 Single Core *
  • 300
  • 489
GeekBench 5 Multi-Core *
  • 1336
  • 1576
General specs
General specs — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
Release date
  • 2018
  • October
  • 2020
  • February
Colors
  • Caviar Black
  • Lemonade Blue
  • Bubblegum Pink
  • Atlantis Blue
  • Matrix Purple
  • Phoenix Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 600 EUR
  • 200 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • HSPA 42.2/5.76 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
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.84 W/kg (body) SAR EU - 0.35 W/kg (head) 1.59 W/kg (body)
  • SAR - 1.08 W/kg (head) 0.62 W/kg (body)
Music and Audio
Music and Audio — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos
  • HDR10 -120Hz refresh rate -500 nits typ. brightness
  • 24-bit/192kHz audio
Other features
Other features — specifications for Galaxy A9 (2018), Poco X2.
SpecificationGalaxy A9 (2018)Poco X2
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ -Fast battery charging - Samsung Pay - Also known as Samsung Galaxy A9 Star Pro
  • Samsung Galaxy A9s Versions: SM-A920F/DS (Global); SM-A9200 (China)
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (100% in 68 min) - Splash resistant - Also known as Xiaomi POCO X2 Special Edition