HTC One A9 vs Oppo Realme X2 Pro

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

    One A9: 56 g lighter

    One A9:
    143 g
    Realme X2 Pro:
    199 g
  • Width

    One A9: 4.9 mm narrower

    One A9:
    70.8 mm
    Realme X2 Pro:
    75.7 mm
  • Screen diagonal

    One A9: 1.5 in smaller diagonal

    One A9:
    5 in
    Realme X2 Pro:
    6.5 in
  • Chipset

    One A9:
    Qualcomm MSM8952 Snapdragon 617 (28 nm)
    Realme X2 Pro:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Rear camera layout

    One A9:
    Single
    Realme X2 Pro:
    Quad
  • Depth

    One A9: 1.4 mm thinner

    One A9:
    7.3 mm
    Realme X2 Pro:
    8.7 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 A9

    Height:
    145.8 mm
    Width:
    70.8 mm
    Depth:
    7.3 mm
  2. 2. Realme X2 Pro

    Height:
    161 mm +15.2 mm versus One A9
    Width:
    75.7 mm +4.9 mm versus One A9
    Depth:
    8.7 mm +1.4 mm versus One A9

Weight

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

  1. 1. One A9

    143 g

  2. 2. Realme X2 Pro

    199 g

    +56 g versus One A9

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 A9

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Realme X2 Pro

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

Realme X2 Pro has approximately 48% more rectangular screen area than One A9.

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 A9, Realme X2 Pro, compared at the same storage capacity.
StorageOne A9Realme X2 Pro
64 GB Unknown 6 GB RAM
128 GB Unknown 8 GB RAM
256 GB Unknown 12 GB RAM
One A9: Original memory entry

16 GB · 2 GB RAM32 GB · 3 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. One A9

NFC:
See details Yes (payments only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Realme X2 Pro

NFC:
Yes
Headphone jack:
Yes
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 A9

    2150 mAh

  2. 2. Realme X2 Pro

    4000 mAh

    +1850 mAh versus One A9

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 A92. Realme X2 Pro

Everyday essentials
Everyday essentials — specifications for One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
Dimensions (HxWxD)
  • 145.8 Х 70.8 Х 7.3 mm
  • 161 Х 75.7 Х 8.7 mm
Weight
  • 143 g
  • 199 g
Technology
  • AMOLED
  • Super AMOLED
Screen size
  • 5" inch
  • 6.5" 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 GB
  • 2 GB RAM32 GB
  • 3 GB RAM
  • 64GB 6GB RAM
  • 128GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2150 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); Sense UI
  • Android 9.0 (Pie)
  • planned upgrade to Android 10.0; ColorOS 6.1
Chipset
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC
  • Yes (payments only)
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 103.5 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 66.8%
  • 84.9%
PPI /points per inch/
  • 441 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 3
  • 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 One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
Rear camera, main
  • 13 MP
  • Single
  • 64 MP
  • Quad
Camera specs
  • 13 MP
  • f/2.0
  • OIS
  • AF
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.7"
  • 0.8µm
  • PDAF -13 MP
  • f/2.5
  • 52mm (telephoto)
  • 1/3.4"
  • 1.0µm
  • PDAF
  • 2x optical zoom -8 MP
  • f/2.2
  • 16mm (ultrawide)
  • 1/3.2"
  • 1.4µm
  • PDAF -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm
  • depth sensor
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
  • gyro-EIS
Front camera, selfie
  • 4 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 4 MP
  • f/2.0
  • 27mm (wide)
  • 1/3''
  • 2µm
  • 16 MP
  • f/2.0
  • 1µm
DxOMark Main Score * Unknown
  • 95
DxOMark Photo * Unknown
  • 99
DxOMark Video * Unknown
  • 86
Performance

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

Performance — specifications for One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 405
  • Adreno 640 (700 MHz)
Antutu 7 score *
  • 35247
  • 472670
GeekBench 4 Single Core *
  • 692
Unknown
GeekBench 4 Multi-Core *
  • 3049
Unknown
GeekBench 4 RenderScript *
  • 2110
Unknown
Antutu 8 score * Unknown
  • 482480
GeekBench 5 Single Core *
  • 128
  • 660
GeekBench 5 Multi-Core *
  • 663
  • 2438
General specs
General specs — specifications for One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
Release date
  • 2015
  • September
  • 2019
  • October
Colors
  • Carbon Gray
  • Opal Silver
  • Topaz Gold
  • Deep Garnet
  • Pink
  • Lunar White
  • Neptune Blue
  • Red Master Edition
  • Gray Master Edition
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Battery life
  • Stand by time- Up to 432 h (3G) Talking time- Up to 16 h (3G) Music play - Up to 60 h
Unknown
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
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 / 1700(AWS) / 1900 / 2100 - Americas HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 13(700)
  • 17(700)
  • 29(700) - Americas LTE band 1(2100)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500) - EMEA/ Asia
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A Cat7 (2CA) 300/100 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
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • aptX
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.41 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
Radio
  • FM radio
  • FM radio
Others
  • 24-bit/192kHz audio -Dolby audio enhancement -Active noise cancellation with dedicated mic
  • 1000 nits max brightness -90Hz -HDR10+ -DCI-P3 100%
  • Active noise cancellation with dedicated mic -24-bit/192kHz audio (incl. speakers) -Dolby Atmos
Other features
Other features — specifications for One A9, Realme X2 Pro.
SpecificationOne A9Realme X2 Pro
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 50W: 100% in 35 min (SuperVOOC Flash Charge)