Celkon Q450 vs Xiaomi Redmi Note 4G

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: 28 g lighter

    Q450:
    147 g
    Redmi Note 4G:
    175 g
  • Width

    Q450: 8.3 mm narrower

    Q450:
    67.7 mm
    Redmi Note 4G:
    76 mm
  • Screen diagonal

    Q450: 1 in smaller diagonal

    Q450:
    4.5 in
    Redmi Note 4G:
    5.5 in
  • Chipset

    Q450:
    Spreadtrum 7731
    Redmi Note 4G:
    Mediatek MT6797 Helio X20 (20 nm)
  • Depth

    Redmi Note 4G: 1.3 mm thinner

    Q450:
    9.7 mm
    Redmi Note 4G:
    8.4 mm
  • Height

    Q450: 16 mm shorter

    Q450:
    135 mm
    Redmi Note 4G:
    151 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. Q450

    Height:
    135 mm
    Width:
    67.7 mm
    Depth:
    9.7 mm +1.3 mm versus Redmi Note 4G
  2. 2. Redmi Note 4G

    Height:
    151 mm +16 mm versus Q450
    Width:
    76 mm +8.3 mm versus Q450
    Depth:
    8.4 mm

Weight

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

  1. 1. Q450

    147 g

  2. 2. Redmi Note 4G

    175 g

    +28 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 Note 4G

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

Redmi Note 4G has approximately 44.7% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Q450: Original memory entry

4 GB · 512 MB RAM

Redmi Note 4G: Original memory entry

16 GB · 2 GB RAM - Standard edition64 GB · 3 GB RAM - High edition64 GB · 4 GB RAM - Exclusive

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 Note 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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 Note 4G

    4100 mAh

    +2300 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 Note 4G

Everyday essentials
Everyday essentials — specifications for Q450, Redmi Note 4G.
SpecificationQ450Redmi Note 4G
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 151 Х 76 Х 8.4 mm
Weight
  • 147 g
  • 175 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16 GB
  • 2 GB RAM - Standard edition64 GB
  • 3 GB RAM - High edition64 GB
  • 4 GB RAM - Exclusive
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0 (Marshmallow); MIUI 10
Chipset
  • Spreadtrum 7731
  • Mediatek MT6797 Helio X20 (20 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q450, Redmi Note 4G.
SpecificationQ450Redmi Note 4G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 72.7%
PPI /points per inch/
  • 207 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for Q450, Redmi Note 4G.
SpecificationQ450Redmi Note 4G
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 720p
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Q450, Redmi Note 4G.
SpecificationQ450Redmi Note 4G
Processor CPU
  • Quad-core 1.2 GHz
  • Deca-core 2.1 GHz
Graphics processor GPU
  • Mali-400
  • Mali-T880 MP4
Antutu 7 score * Unknown
  • 21789
General specs
General specs — specifications for Q450, Redmi Note 4G.
SpecificationQ450Redmi Note 4G
Release date
  • 2015
  • April
  • 2016
  • August
Colors
  • Gold
  • White
  • Silver
  • Gray
  • Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 170 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Q450, Redmi Note 4G.
SpecificationQ450Redmi Note 4G
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Micro-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 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • microUSB 2.0
  • 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 Note 4G.
SpecificationQ450Redmi Note 4G
Radio
  • FM radio
  • FM radio
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q450, Redmi Note 4G.
SpecificationQ450Redmi Note 4G
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For China