Celkon A99 vs Oppo Realme X

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

    A99: 71 g lighter

    A99:
    120 g
    Realme X:
    191 g
  • Width

    A99: 12 mm narrower

    A99:
    64 mm
    Realme X:
    76 mm
  • Screen diagonal

    A99: 2.53 in smaller diagonal

    A99:
    4 in
    Realme X:
    6.53 in
  • Rear camera layout

    A99:
    Single
    Realme X:
    Dual
  • Depth

    Realme X: 1.9 mm thinner

    A99:
    11.3 mm
    Realme X:
    9.4 mm
  • Height

    A99: 39.8 mm shorter

    A99:
    121.4 mm
    Realme X:
    161.2 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. A99

    Height:
    121.4 mm
    Width:
    64 mm
    Depth:
    11.3 mm +1.9 mm versus Realme X
  2. 2. Realme X

    Height:
    161.2 mm +39.8 mm versus A99
    Width:
    76 mm +12 mm versus A99
    Depth:
    9.4 mm

Weight

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

  1. 1. A99

    120 g

  2. 2. Realme X

    191 g

    +71 g versus A99

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. A99

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. Realme X

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

Realme X has approximately 119.7% more rectangular screen area than A99.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Realme X: Original memory entry

128/256 GB · 8 GB RAM 64 GB · 4/6 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. A99

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

2. Realme X

NFC:
Unknown
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. A99

    1200 mAh

  2. 2. Realme X

    3765 mAh

    +2565 mAh versus A99

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. A992. Realme X

Everyday essentials
Everyday essentials — specifications for A99, Realme X.
SpecificationA99Realme X
Dimensions (HxWxD)
  • 121.4 Х 64 Х 11.3 mm
  • 161.2 Х 76 Х 9.4 mm
Weight
  • 120 g
  • 191 g
Technology
  • TFT
  • AMOLED
Screen size
  • 4" inch
  • 6.53" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 128/256 GB
  • 8 GB RAM 64 GB
  • 4/6 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Li-Ion
  • 3765 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Android 9.0 (Pie); ColorOS 6
Chipset Unknown
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A99, Realme X.
SpecificationA99Realme X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 47.6 cm2
  • 105.2 cm2
Screen format
  • 3:2 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 61.3%
  • 85.9%
PPI /points per inch/
  • 144 PPI
  • 394 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for A99, Realme X.
SpecificationA99Realme X
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Dual
Camera specs
  • 3.15 MP
  • 48 MP
  • f/1.7
  • (wide)
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications Unknown
  • Motorized pop-up 16 MP
  • f/2.0
  • 25mm (wide)
  • 1/3''
  • 1.0µm
Performance

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

Performance — specifications for A99, Realme X.
SpecificationA99Realme X
Processor CPU
  • 650 MHz
  • Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU Unknown
  • Adreno 616
GeekBench 5 Single Core * Unknown
  • 334
GeekBench 5 Multi-Core * Unknown
  • 1444
General specs
General specs — specifications for A99, Realme X.
SpecificationA99Realme X
Release date
  • 2012
  • 2019
  • May
Colors
  • Black
  • Steam white
  • Punk Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 3 h
Unknown
Body build Unknown
  • Front glass (Gorilla Glass 5)
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A99, Realme X.
SpecificationA99Realme X
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • 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) / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • LTE-A (2CA) Cat6 300/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for A99, Realme X.
SpecificationA99Realme X
Radio
  • Stereo FM radio
  • RDS
  • recordin
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for A99, Realme X.
SpecificationA99Realme X
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 20W: 55% in 30 min (VOOC 3.0) - Versions: RMX1901