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Celkon A35k vs Oppo A91

Compare recorded specifications, size and practical differences.

Celkon A35k

Celkon A35k

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Oppo A91

Oppo A91

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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

    Celkon A35k is 70 g lighter than Oppo A91.

    Celkon A35k — Weight: 102 g. Oppo A91 — Weight: 172 g.

  • Width

    Celkon A35k is 10.3 mm narrower than Oppo A91.

    Celkon A35k — Width: 63 mm. Oppo A91 — Width: 73.3 mm.

  • Screen diagonal

    The screen diagonal of Celkon A35k is 2.9 in smaller than that of Oppo A91.

    Celkon A35k — Screen diagonal: 3.5 in. Oppo A91 — Screen diagonal: 6.4 in.

  • Rear camera layout

    The recorded rear camera layout for Celkon A35k is Single. The recorded rear camera layout for Oppo A91 is Quad.

  • Depth

    Oppo A91 is 2.8 mm thinner than Celkon A35k.

    Celkon A35k — Depth: 10.7 mm. Oppo A91 — Depth: 7.9 mm.

  • Height

    Celkon A35k is 41.2 mm shorter than Oppo A91.

    Celkon A35k — Height: 119 mm. Oppo A91 — Height: 160.2 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.

Front
Front — relative 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. Celkon A35k: height 119 mm; Width 63 mm. Oppo A91: height 160.2 mm; Width 73.3 mm. Celkon A35k: 119 × 63 mm 1 Oppo A91: 160.2 × 73.3 mm 2
Side
Side — relative 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. Celkon A35k: height 119 mm; Depth 10.7 mm. Oppo A91: height 160.2 mm; Depth 7.9 mm. Celkon A35k: 119 × 10.7 mm 1 Oppo A91: 160.2 × 7.9 mm 2
  1. 1. Celkon A35k

    Height:
    119 mm
    Width:
    63 mm
    Depth:
    10.7 mm +2.8 mm versus Oppo A91
    Weight:
    102 g
  2. 2. Oppo A91

    Height:
    160.2 mm +41.2 mm versus Celkon A35k
    Width:
    73.3 mm +10.3 mm versus Celkon A35k
    Depth:
    7.9 mm
    Weight:
    172 g

Weight

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

  1. 1. Celkon A35k

    Weight: 102 g.

  2. 2. Oppo A91

    Weight: 172 g.

    Oppo A91 — Weight: 70 g more than Celkon A35k.

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.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below 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. Celkon A35k: screen diagonal 3.5 in; aspect ratio (height:width) 3:2; approximate rectangular area 36.5 cm². Oppo A91: screen diagonal 6.4 in; aspect ratio (height:width) 20:9; approximate rectangular area 98.9 cm². Celkon A35k: 3.5 in, 3:2, About 36.5 cm² rectangular area 1 Oppo A91: 6.4 in, 20:9, About 98.9 cm² rectangular area 2
  1. 1. Celkon A35k

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Oppo A91

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

Oppo A91 has approximately 171.1% more rectangular screen area than Celkon A35k.

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 Celkon A35k, Oppo A91, compared at the same storage capacity.
StorageCelkon A35kOppo A91
128 GB Unknown 8 GB RAM
Celkon A35k: Original memory entry

512 MB/ 2 GB · 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. Celkon A35k

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

2. Oppo A91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. Celkon A35k

    Recorded battery capacity: 1400 mAh.

  2. 2. Oppo A91

    Recorded battery capacity: 4025 mAh.

    Oppo A91 — Recorded battery capacity: 2625 mAh more than Celkon A35k.

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. Celkon A35k2. Oppo A91

Everyday essentials
Everyday essentials — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
Dimensions (HxWxD)
  • 119 Х 63 Х 10.7 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 102 g
  • 172 g
Technology
  • TFT
  • AMOLED
Screen size
  • 3.5" inch
  • 6.4" 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/ 2 GB
  • 256 MB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 100.4 cm2
Screen format
  • 3:2 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 48.7%
  • 85.5%
PPI /points per inch/
  • 165 PPI
  • 408 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
Rear camera, main
  • 3.15 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 3.15 MP
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions Unknown
  • HDR
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
Performance — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-G72 MP3
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 135756
General specs
General specs — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
Release date
  • 2014
  • 2019
  • December
Colors
  • White
  • Blue
  • Dark Blue
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 40 EUR
  • 260 EUR
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
SIM card
  • Dual SIM (Mini-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 / 1700(AWS) / 1900 / 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
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • 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
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.56 W/kg (head) 0.51 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
Radio
  • FM radio
  • FM radio
Others Unknown
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Celkon A35k, Oppo A91.
SpecificationCelkon A35kOppo A91
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0