Celkon Q455 vs Oppo Ace2

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.

  • Display technology

    OLED versus LCD

    Q455:
    LCD
    Ace2:
    OLED
  • Weight

    Q455: 56 g lighter

    Q455:
    130 g
    Ace2:
    186 g
  • Width

    Q455: 7.4 mm narrower

    Q455:
    68 mm
    Ace2:
    75.4 mm
  • Screen diagonal

    Q455: 2.05 in smaller diagonal

    Q455:
    4.5 in
    Ace2:
    6.55 in
  • Rear camera layout

    Q455:
    Single
    Ace2:
    Quad
  • Depth

    Q455: 0.7 mm thinner

    Q455:
    7.9 mm
    Ace2:
    8.6 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. Q455

    Height:
    136.5 mm
    Width:
    68 mm
    Depth:
    7.9 mm
  2. 2. Ace2

    Height:
    160 mm +23.5 mm versus Q455
    Width:
    75.4 mm +7.4 mm versus Q455
    Depth:
    8.6 mm +0.7 mm versus Q455

Weight

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

  1. 1. Q455

    130 g

  2. 2. Ace2

    186 g

    +56 g versus Q455

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. Q455

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Ace2

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

Ace2 has approximately 85.5% more rectangular screen area than Q455.

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 Q455, Ace2, compared at the same storage capacity.
StorageQ455Ace2
16 GB 1 GB RAM Not recorded
128 GB Not recorded 8 GB RAM
256 GB Not recorded 8 / 12 GB RAM Alternative RAM configurations

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Q455

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. Ace2

NFC:
Yes
Headphone jack:
No
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. Q455

    2000 mAh

  2. 2. Ace2

    4000 mAh

    +2000 mAh versus Q455

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. Q4552. Ace2

Everyday essentials
Everyday essentials — specifications for Q455, Ace2.
SpecificationQ455Ace2
Dimensions (HxWxD)
  • 136.5 Х 68 Х 7.9 mm
  • 160 Х 75.4 Х 8.6 mm
Weight
  • 130 g
  • 186 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 4.5" inch
  • 6.55" inch
Screen resolution
  • 540 x 960 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
  • 1 GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 10.0; ColorOS 7.1
Chipset Unknown
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Q455, Ace2.
SpecificationQ455Ace2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 103.6 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 60.1%
  • 85.9%
PPI /points per inch/
  • 245 PPI
  • 402 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Q455, Ace2.
SpecificationQ455Ace2
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 8 MP
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm
  • AF -2 MP B/W
  • (depth) -2 MP
  • (depth)
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 1.3 MP
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
Performance
Performance — specifications for Q455, Ace2.
SpecificationQ455Ace2
Processor CPU
  • Quad-core 1.2
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
Graphics processor GPU Unknown
  • Adreno 650
General specs
General specs — specifications for Q455, Ace2.
SpecificationQ455Ace2
Release date
  • 2014
  • 2020
  • April 13
Colors
  • White
  • Black
  • Blue
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 520 EUR
Battery life
  • Talking time- Up to 6 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Q455, Ace2.
SpecificationQ455Ace2
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 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 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)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G band 1(2100)
  • 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - China
Speed
  • HSPA
  • HSPA
  • LTE-A
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/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.1
  • 5.1
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR EU - 0.47 W/kg (head) 0.41 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q455, Ace2.
SpecificationQ455Ace2
Radio
  • FM radio
Unknown
Others Unknown
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
Other features
Other features — specifications for Q455, Ace2.
SpecificationQ455Ace2
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 65W
  • 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W
  • 100% in 56 min (advertised) -Wireless reverse charging 10W