Xiaomi Redmi 1S vs Xiaomi Redmi 8A Dual

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

    Redmi 1S: 30 g lighter

    Redmi 1S:
    158 g
    Redmi 8A Dual:
    188 g
  • Width

    Redmi 1S: 6.4 mm narrower

    Redmi 1S:
    69 mm
    Redmi 8A Dual:
    75.4 mm
  • Screen diagonal

    Redmi 1S: 1.52 in smaller diagonal

    Redmi 1S:
    4.7 in
    Redmi 8A Dual:
    6.22 in
  • Chipset

    Redmi 1S:
    Qualcomm MSM8228 Snapdragon 400 (28 nm)
    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    Redmi 1S:
    Single
    Redmi 8A Dual:
    Dual
  • Depth

    Redmi 8A Dual: 0.5 mm thinner

    Redmi 1S:
    9.9 mm
    Redmi 8A Dual:
    9.4 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. Redmi 1S

    Height:
    137 mm
    Width:
    69 mm
    Depth:
    9.9 mm +0.5 mm versus Redmi 8A Dual
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm +19.5 mm versus Redmi 1S
    Width:
    75.4 mm +6.4 mm versus Redmi 1S
    Depth:
    9.4 mm

Weight

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

  1. 1. Redmi 1S

    158 g

  2. 2. Redmi 8A Dual

    188 g

    +30 g versus Redmi 1S

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. Redmi 1S

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Redmi 8A Dual

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

Redmi 8A Dual has approximately 58.6% more rectangular screen area than Redmi 1S.

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 Redmi 1S, Redmi 8A Dual, compared at the same storage capacity.
StorageRedmi 1SRedmi 8A Dual
8 GB 1 GB RAM Not recorded
32 GB Not recorded 2 / 3 GB RAM Alternative RAM configurations

Practical features

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

1. Redmi 1S

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

2. Redmi 8A Dual

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Redmi 1S

    2000 mAh

  2. 2. Redmi 8A Dual

    5000 mAh

    +3000 mAh versus Redmi 1S

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. Redmi 1S2. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
Dimensions (HxWxD)
  • 137 Х 69 Х 9.9 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 158 g
  • 188 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 6.22" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.3 (Jelly Bean)
  • upgradable to 4.4.4 (KitKat); MIUI 9.2
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Qualcomm MSM8228 Snapdragon 400 (28 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 64.4%
  • 81.8%
PPI /points per inch/
  • 312 PPI
  • 270 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 8 MP
  • f/2.2
  • 1/3.2''
  • 1.4µm
  • AF
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.6 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.6 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
Processor CPU
  • Quad-core 1.6 GHz Cortex-A7
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • Adreno 305
  • Adreno 505
GeekBench 4 Single Core *
  • 485
  • 864
GeekBench 4 Multi-Core *
  • 1264
  • 3669
GeekBench 4 RenderScript *
  • 2619
Unknown
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
Release date
  • 2014
  • May
  • 2020
  • February 11
Colors
  • Black
  • Chinese Red
  • Metallic Gray/ blue
  • Green
  • yellow panels
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 80 EUR
Body build
  • plastic body
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • 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)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
Radio
  • FM radio
  • FM radio
  • built-in antenna
Others
  • Active noise cancellation with dedicated mic
  • 400 nits typ. brightness
Other features
Other features — specifications for Redmi 1S, Redmi 8A Dual.
SpecificationRedmi 1SRedmi 8A Dual
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Xiaomi Hongmi 1S
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant