Celkon A64 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

    A64: 32.4 g lighter

    A64:
    125.6 g
    Redmi 1S:
    158 g
  • Width

    A64: 4 mm narrower

    A64:
    65 mm
    Redmi 1S:
    69 mm
  • Screen diagonal

    A64: 0.7 in smaller diagonal

    A64:
    4 in
    Redmi 1S:
    4.7 in
  • Depth

    Redmi 1S: 0.6 mm thinner

    A64:
    10.5 mm
    Redmi 1S:
    9.9 mm
  • Height

    A64: 13 mm shorter

    A64:
    124 mm
    Redmi 1S:
    137 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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +0.6 mm versus Redmi 1S
  2. 2. Redmi 1S

    Height:
    137 mm +13 mm versus A64
    Width:
    69 mm +4 mm versus A64
    Depth:
    9.9 mm

Weight

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

  1. 1. A64

    125.6 g

  2. 2. Redmi 1S

    158 g

    +32.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 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 27.8% more rectangular screen area than A64.

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 A64, Redmi 1S, compared at the same storage capacity.
StorageA64Redmi 1S
8 GB Unknown 1 GB RAM
A64: Original memory entry

512 MB · 256 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. A64

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. A64

    1400 mAh

  2. 2. Redmi 1S

    2000 mAh

    +600 mAh versus A64

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. A642. Redmi 1S

Everyday essentials
Everyday essentials — specifications for A64, Redmi 1S.
SpecificationA64Redmi 1S
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 137 Х 69 Х 9.9 mm
Weight
  • 125.6 g
  • 158 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 4.7" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 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.
  • 1400 mAh
  • Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4.4 (KitKat); MIUI 9.2
Chipset Unknown
  • Qualcomm MSM8228 Snapdragon 400 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A64, Redmi 1S.
SpecificationA64Redmi 1S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 60.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.1%
  • 64.4%
PPI /points per inch/
  • 144 PPI
  • 312 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for A64, Redmi 1S.
SpecificationA64Redmi 1S
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 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
  • 0.3 MP
  • Single
  • 1.6 MP
  • Single
Specifications
  • VGA
  • 1.6 MP
Performance

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

Performance — specifications for A64, Redmi 1S.
SpecificationA64Redmi 1S
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.6 GHz Cortex-A7
Graphics processor GPU Unknown
  • 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 A64, Redmi 1S.
SpecificationA64Redmi 1S
Release date
  • 2014
  • 2014
  • May
Colors
  • White
  • Black
  • Black
  • Chinese Red
  • Metallic Gray/ blue
  • Green
  • yellow panels
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 90 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A64, Redmi 1S.
SpecificationA64Redmi 1S
SIM card
  • Dual SIM
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed Unknown
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • 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 - 0.42 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A64, Redmi 1S.
SpecificationA64Redmi 1S
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A64, Redmi 1S.
SpecificationA64Redmi 1S
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Xiaomi Hongmi 1S