Celkon Q450 vs Xiaomi Redmi 8A

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

    Q450: 41 g lighter

    Q450:
    147 g
    Redmi 8A:
    188 g
  • Width

    Q450: 7.7 mm narrower

    Q450:
    67.7 mm
    Redmi 8A:
    75.4 mm
  • Screen diagonal

    Q450: 1.7 in smaller diagonal

    Q450:
    4.5 in
    Redmi 8A:
    6.2 in
  • Chipset

    Q450:
    Spreadtrum 7731
    Redmi 8A:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Height

    Q450: 21.5 mm shorter

    Q450:
    135 mm
    Redmi 8A:
    156.5 mm
  • Release year

    Q450:
    2015
    Redmi 8A:
    2019

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. Q450

    Height:
    135 mm
    Width:
    67.7 mm
    Depth:
    9.7 mm
  2. 2. Redmi 8A

    Height:
    156.5 mm +21.5 mm versus Q450
    Width:
    75.4 mm +7.7 mm versus Q450
    Depth:
    9.4 mm

Weight

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

  1. 1. Q450

    147 g

  2. 2. Redmi 8A

    188 g

    +41 g versus Q450

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. Q450

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    57.6 cm²
  2. 2. Redmi 8A

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²

Redmi 8A has approximately 66.5% more rectangular screen area than Q450.

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 Q450, Redmi 8A, compared at the same storage capacity.
StorageQ450Redmi 8A
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
Q450: 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. Q450

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

2. Redmi 8A

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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. Q450

    1800 mAh

  2. 2. Redmi 8A

    5000 mAh

    +3200 mAh versus Q450

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. Q4502. Redmi 8A

Everyday essentials
Everyday essentials — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 147 g
  • 188 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.2" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie)
Chipset
  • Spreadtrum 7731
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 95.9 cm2
Screen format
  • 5:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 63.1%
  • 81.3%
PPI /points per inch/
  • 207 PPI
  • 271 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 5 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)
Graphics processor GPU
  • Mali-400
  • Adreno 505
GeekBench 4 Single Core * Unknown
  • 864
GeekBench 4 Multi-Core * Unknown
  • 3669
Antutu 8 score * Unknown
  • 87337
General specs
General specs — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
Release date
  • 2015
  • April
  • 2019
  • September
Colors
  • Gold
  • White
  • Midnight Black
  • Ocean Blue
  • Sunset Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 100 EUR
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
SIM card
  • Dual 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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
Radio
  • FM radio
  • FM radio
  • built-in antenna
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q450, Redmi 8A.
SpecificationQ450Redmi 8A
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W - Splash resistant