Celkon A40 vs Oppo Realme 6

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

    A40: 64.5 g lighter

    A40:
    126.5 g
    Realme 6:
    191 g
  • Width

    A40: 10.8 mm narrower

    A40:
    64 mm
    Realme 6:
    74.8 mm
  • Screen diagonal

    A40: 2.5 in smaller diagonal

    A40:
    4 in
    Realme 6:
    6.5 in
  • Rear camera layout

    A40:
    Single
    Realme 6:
    Quad
  • Depth

    Realme 6: 1.9 mm thinner

    A40:
    10.8 mm
    Realme 6:
    8.9 mm
  • Height

    A40: 35.9 mm shorter

    A40:
    126.2 mm
    Realme 6:
    162.1 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. A40

    Height:
    126.2 mm
    Width:
    64 mm
    Depth:
    10.8 mm +1.9 mm versus Realme 6
  2. 2. Realme 6

    Height:
    162.1 mm +35.9 mm versus A40
    Width:
    74.8 mm +10.8 mm versus A40
    Depth:
    8.9 mm

Weight

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

  1. 1. A40

    126.5 g

  2. 2. Realme 6

    191 g

    +64.5 g versus A40

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. A40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Realme 6

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

Realme 6 has approximately 124% more rectangular screen area than A40.

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 A40, Realme 6, compared at the same storage capacity.
StorageA40Realme 6
64 GB Unknown 4 GB RAM
128 GB Unknown 6 / 8 GB RAM Alternative RAM configurations
A40: Original memory entry

4 GB · 512 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. A40

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

2. Realme 6

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated 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. A40

    1500 mAh

  2. 2. Realme 6

    4300 mAh

    +2800 mAh versus A40

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. A402. Realme 6

Everyday essentials
Everyday essentials — specifications for A40, Realme 6.
SpecificationA40Realme 6
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 162.1 Х 74.8 Х 8.9 mm
Weight
  • 126.5 g
  • 191 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 6.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 4300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 10.0; Realme UI
Chipset Unknown
  • Mediatek MT6785 Helio G90T (12 nm)
NFC Unknown
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A40, Realme 6.
SpecificationA40Realme 6
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 102.0 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 56.4%
  • 84.1%
PPI /points per inch/
  • 233 PPI
  • 405 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A40, Realme 6.
SpecificationA40Realme 6
Rear camera, main
  • 5 MP
  • Single
  • 64 MP
  • Quad
Camera specs
  • 5 MP
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -2 MP
  • f/2.4
  • 22mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP B/W
  • (depth)
Functions Unknown
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for A40, Realme 6.
SpecificationA40Realme 6
Processor CPU
  • Dual-core 1.3 GHz
  • Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Graphics processor GPU Unknown
  • Mali-G76 MC4
Antutu 8 score * Unknown
  • 280904
General specs
General specs — specifications for A40, Realme 6.
SpecificationA40Realme 6
Release date
  • 2014
  • January
  • 2020
  • March 5
Colors
  • White
  • Yellow
  • Blue
  • Comet Blue
  • Comet White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for A40, Realme 6.
SpecificationA40Realme 6
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • 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/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 1.14 W/kg (head) 0.59 W/kg (body) SAR EU - 0.71 W/kg (head) 0.57 W/kg (body)
Music and Audio
Music and Audio — specifications for A40, Realme 6.
SpecificationA40Realme 6
Radio
  • FM radio
  • FM radio
Others Unknown
  • 480 nits typ. brightness -90Hz refresh rate
Other features
Other features — specifications for A40, Realme 6.
SpecificationA40Realme 6
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W: 100% in 55 min - Splash resistant