Celkon A355 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

    A355: 101.5 g lighter

    A355:
    97.5 g
    Realme X2 Pro:
    199 g
  • Width

    A355: 12.4 mm narrower

    A355:
    63.3 mm
    Realme X2 Pro:
    75.7 mm
  • Screen diagonal

    A355: 3 in smaller diagonal

    A355:
    3.5 in
    Realme X2 Pro:
    6.5 in
  • Chipset

    A355:
    Spreadtrum 7715
    Realme X2 Pro:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Rear camera layout

    A355:
    Single
    Realme X2 Pro:
    Quad
  • Depth

    Realme X2 Pro: 1.5 mm thinner

    A355:
    10.2 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. A355

    Height:
    115.3 mm
    Width:
    63.3 mm
    Depth:
    10.2 mm +1.5 mm versus Realme X2 Pro
  2. 2. Realme X2 Pro

    Height:
    161 mm +45.7 mm versus A355
    Width:
    75.7 mm +12.4 mm versus A355
    Depth:
    8.7 mm

Weight

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

  1. 1. A355

    97.5 g

  2. 2. Realme X2 Pro

    199 g

    +101.5 g versus A355

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. A355

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 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 179.6% more rectangular screen area than A355.

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 A355, Realme X2 Pro, compared at the same storage capacity.
StorageA355Realme X2 Pro
64 GB Unknown 6 GB RAM
128 GB Unknown 8 GB RAM
256 GB Unknown 12 GB RAM
A355: Original memory entry

512 MB · 256 MB 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. A355

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. A355

    1200 mAh

  2. 2. Realme X2 Pro

    4000 mAh

    +2800 mAh versus A355

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. A3552. Realme X2 Pro

Everyday essentials
Everyday essentials — specifications for A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
Dimensions (HxWxD)
  • 115.3 Х 63.3 Х 10.2 mm
  • 161 Х 75.7 Х 8.7 mm
Weight
  • 97.5 g
  • 199 g
Technology Unknown
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.5" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64GB 6GB RAM
  • 128GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie)
  • planned upgrade to Android 10.0; ColorOS 6.1
Chipset
  • Spreadtrum 7715
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 103.5 cm2
Screen format
  • 3:2 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 50.0%
  • 84.9%
PPI /points per inch/
  • 165 PPI
  • 402 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 A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
Rear camera, main
  • 2 MP
  • Single
  • 64 MP
  • Quad
Camera specs
  • 2 MP
  • 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
  • Dual-LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
  • gyro-EIS
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA
  • 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 A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
Processor CPU
  • 1.0 GHz
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Mali-400
  • Adreno 640 (700 MHz)
Antutu 7 score * Unknown
  • 472670
Antutu 8 score * Unknown
  • 482480
GeekBench 5 Single Core * Unknown
  • 660
GeekBench 5 Multi-Core * Unknown
  • 2438
General specs
General specs — specifications for A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
Release date
  • 2015
  • May
  • 2019
  • October
Colors
  • Light Blue
  • Dart Blue
  • Red
  • Yellow
  • White
  • Lunar White
  • Neptune Blue
  • Red Master Edition
  • Gray Master Edition
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • 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
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.49 W/kg (head) 0.84 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
Radio
  • FM radio
  • FM radio
Others Unknown
  • 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 A355, Realme X2 Pro.
SpecificationA355Realme X2 Pro
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 50W: 100% in 35 min (SuperVOOC Flash Charge)