Celkon Q450 vs Xiaomi Redmi 1S

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: 11 g lighter

    Q450:
    147 g
    Redmi 1S:
    158 g
  • Width

    Q450: 1.3 mm narrower

    Q450:
    67.7 mm
    Redmi 1S:
    69 mm
  • Screen diagonal

    Q450: 0.2 in smaller diagonal

    Q450:
    4.5 in
    Redmi 1S:
    4.7 in
  • Chipset

    Q450:
    Spreadtrum 7731
    Redmi 1S:
    Qualcomm MSM8228 Snapdragon 400 (28 nm)
  • Height

    Q450: 2 mm shorter

    Q450:
    135 mm
    Redmi 1S:
    137 mm
  • Release year

    Q450:
    2015
    Redmi 1S:
    2014

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 1S

    Height:
    137 mm +2 mm versus Q450
    Width:
    69 mm +1.3 mm versus Q450
    Depth:
    9.9 mm

Weight

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

  1. 1. Q450

    147 g

  2. 2. Redmi 1S

    158 g

    +11 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 1S

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

Redmi 1S has approximately 5.7% 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.

Recorded RAM for Q450, Redmi 1S, compared at the same storage capacity.
StorageQ450Redmi 1S
8 GB Unknown 1 GB RAM
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 1S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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 1S

    2000 mAh

    +200 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 1S

Everyday essentials
Everyday essentials — specifications for Q450, Redmi 1S.
SpecificationQ450Redmi 1S
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 137 Х 69 Х 9.9 mm
Weight
  • 147 g
  • 158 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4.4 (KitKat); MIUI 9.2
Chipset
  • Spreadtrum 7731
  • Qualcomm MSM8228 Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q450, Redmi 1S.
SpecificationQ450Redmi 1S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 57.6 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 64.4%
PPI /points per inch/
  • 207 PPI
  • 312 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Q450, Redmi 1S.
SpecificationQ450Redmi 1S
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 1.6 MP
  • Single
Specifications
  • 2 MP
  • 1.6 MP
Performance

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

Performance — specifications for Q450, Redmi 1S.
SpecificationQ450Redmi 1S
Processor CPU
  • Quad-core 1.2 GHz
  • Quad-core 1.6 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Adreno 305
GeekBench 4 Single Core * Unknown
  • 485
GeekBench 4 Multi-Core * Unknown
  • 1264
GeekBench 4 RenderScript * Unknown
  • 2619
General specs
General specs — specifications for Q450, Redmi 1S.
SpecificationQ450Redmi 1S
Release date
  • 2015
  • April
  • 2014
  • May
Colors
  • Gold
  • White
  • Black
  • Chinese Red
  • Metallic Gray/ blue
  • Green
  • yellow panels
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 90 EUR
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Q450, Redmi 1S.
SpecificationQ450Redmi 1S
SIM card
  • Dual SIM
  • Dual SIM (Mini-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
Speed
  • HSPA
  • HSPA
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
USB
  • microUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • 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 1S.
SpecificationQ450Redmi 1S
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q450, Redmi 1S.
SpecificationQ450Redmi 1S
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Xiaomi Hongmi 1S