BlackBerry Evolve X vs Celkon Q455

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

    Q455: 40 g lighter

    Evolve X:
    170 g
    Q455:
    130 g
  • Width

    Q455: 8.8 mm narrower

    Evolve X:
    76.8 mm
    Q455:
    68 mm
  • Screen diagonal

    Q455: 1.49 in smaller diagonal

    Evolve X:
    5.99 in
    Q455:
    4.5 in
  • Rear camera layout

    Evolve X:
    Dual
    Q455:
    Single
  • Depth

    Q455: 0.9 mm thinner

    Evolve X:
    8.8 mm
    Q455:
    7.9 mm
  • Height

    Q455: 22.6 mm shorter

    Evolve X:
    159.1 mm
    Q455:
    136.5 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. Evolve X

    Height:
    159.1 mm +22.6 mm versus Q455
    Width:
    76.8 mm +8.8 mm versus Q455
    Depth:
    8.8 mm +0.9 mm versus Q455
  2. 2. Q455

    Height:
    136.5 mm
    Width:
    68 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. Evolve X

    170 g

    +40 g versus Q455

  2. 2. Q455

    130 g

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. Evolve X

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²
  2. 2. Q455

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

Evolve X has approximately 65.9% 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 Evolve X, Q455, compared at the same storage capacity.
StorageEvolve XQ455
16 GB Not recorded 1 GB RAM
64 GB 6 GB RAM Not recorded

Practical features

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

1. Evolve X

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB

2. Q455

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

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. Evolve X

    4000 mAh

    +2000 mAh versus Q455

  2. 2. Q455

    2000 mAh

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. Evolve X2. Q455

Everyday essentials
Everyday essentials — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
Dimensions (HxWxD)
  • 159.1 Х 76.8 Х 8.8 mm
  • 136.5 Х 68 Х 7.9 mm
Weight
  • 170 g
  • 130 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.99" inch
  • 4.5" inch
Screen resolution
  • 1080 x 2160 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 6 GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 512 GB
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 92.6 cm2
  • 55.8 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.8%
  • 60.1%
PPI /points per inch/
  • 403 PPI
  • 245 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
Rear camera, main
  • 12 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.8''
  • 1.29µm
  • PDAF -13 MP
  • f/2.6
  • 1/3.4''
  • 1.0µm
  • 2х optical zoom
  • PDAF
  • 8 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30/60fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 1.3 MP
Performance

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

Performance — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Quad-core 1.2
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 84432
Unknown
General specs
General specs — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
Release date
  • 2018
  • August
  • 2014
Colors
  • Black
  • White
  • Black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 100 EUR
Battery life Unknown
  • Talking time- Up to 6 h (3G)
Body build
  • aluminum frame (7000 series)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat12 600/150 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • SBAS
  • Yes
USB
  • 2.0
  • Type-C 1.0 reversible connector (PowerDelivery 2.0)
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
Harmful irradiation Unknown
  • SAR EU - 0.47 W/kg (head) 0.41 W/kg (body)
Music and Audio
Music and Audio — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos sound
Unknown
Other features
Other features — specifications for Evolve X, Q455.
SpecificationEvolve XQ455
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Wireless charging -Fast battery charging: (Quick Charge 3.0)
  • Sensors Accelerometer
  • proximity