Samsung Galaxy Alpha 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.

  • Display technology

    OLED versus LCD

    Galaxy Alpha:
    OLED
    Redmi 8A Dual:
    LCD
  • Weight

    Galaxy Alpha: 73 g lighter

    Galaxy Alpha:
    115 g
    Redmi 8A Dual:
    188 g
  • Width

    Galaxy Alpha: 9.9 mm narrower

    Galaxy Alpha:
    65.5 mm
    Redmi 8A Dual:
    75.4 mm
  • Screen diagonal

    Galaxy Alpha: 1.52 in smaller diagonal

    Galaxy Alpha:
    4.7 in
    Redmi 8A Dual:
    6.22 in
  • Chipset

    Galaxy Alpha:
    Exynos 5430 Octa (20 nm)
    Redmi 8A Dual:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Rear camera layout

    Galaxy Alpha:
    Single
    Redmi 8A Dual:
    Dual

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. Galaxy Alpha

    Height:
    132.4 mm
    Width:
    65.5 mm
    Depth:
    6.7 mm
  2. 2. Redmi 8A Dual

    Height:
    156.5 mm +24.1 mm versus Galaxy Alpha
    Width:
    75.4 mm +9.9 mm versus Galaxy Alpha
    Depth:
    9.4 mm +2.7 mm versus Galaxy Alpha

Weight

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

  1. 1. Galaxy Alpha

    115 g

  2. 2. Redmi 8A Dual

    188 g

    +73 g versus Galaxy Alpha

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. Galaxy Alpha

    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 Galaxy Alpha.

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 Galaxy Alpha, Redmi 8A Dual, compared at the same storage capacity.
StorageGalaxy AlphaRedmi 8A Dual
32 GB Recorded for all phones 2 GB RAM 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. Galaxy Alpha

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. Galaxy Alpha

    1860 mAh

  2. 2. Redmi 8A Dual

    5000 mAh

    +3140 mAh versus Galaxy Alpha

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. Galaxy Alpha2. Redmi 8A Dual

Everyday essentials
Everyday essentials — specifications for Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 8A Dual
Dimensions (HxWxD)
  • 132.4 Х 65.5 Х 6.7 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 115 g
  • 188 g
Technology
  • Super AMOLED
  • 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.
  • 32 GB
  • 2 GB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • No
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1860 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.4 (KitKat)
  • upgradable to 5.0.2 (Lollipop)
  • Android 9.0 (Pie); MIUI 11
Chipset
  • Exynos 5430 Octa (20 nm)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 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
  • 70.2%
  • 81.8%
PPI /points per inch/
  • 312 PPI
  • 270 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 8A Dual
Rear camera, main
  • 12 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 12 MP
  • f/2.2
  • 31mm (standard)
  • AF
  • 13 MP
  • f/2.2
  • (wide)
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • panorama
  • HDR
  • HDR
Video
  • 2160p@30fps
  • 1080p@60fps
  • 720p@120fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2.1 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 Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 8A Dual
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)
  • Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Graphics processor GPU
  • Mali-T628 MP6
  • Adreno 505
Antutu 7 score *
  • 50125
Unknown
GeekBench 4 Single Core *
  • 782
  • 864
GeekBench 4 Multi-Core *
  • 2457
  • 3669
GeekBench 4 RenderScript *
  • 1804
Unknown
Antutu 8 score * Unknown
  • 95326
General specs
General specs — specifications for Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 8A Dual
Release date
  • 2014
  • August
  • 2020
  • February 11
Colors
  • Charcoal Black
  • Sleek Silver
  • Dazzling White
  • Frosted Gold
  • Scuba Blue
  • Sky White
  • Sea Blue
  • Midnight Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
  • 80 EUR
Battery life
  • Stand by time- Up to 350 h (3G) Talking time- Up to 11 h (3G) Music play - Up to 37 h
Unknown
Body build
  • aluminum frame
  • plastic back
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 8A Dual
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - G850F LTE band 1(2100)
  • 4(1700/2100)
  • 17(700) - SM-G850M
  • 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 42.2/5.76 Mbps
  • LTE-A Cat6 300/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • 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
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.18 W/kg (head) 0.75 W/kg (body) SAR EU - 0.37 W/kg (head) 0.51 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 8A Dual
Radio
  • No
  • FM radio
  • built-in antenna
Others
  • Active noise cancellation with dedicated mic
  • 400 nits typ. brightness
Other features
Other features — specifications for Galaxy Alpha, Redmi 8A Dual.
SpecificationGalaxy AlphaRedmi 8A Dual
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • heart rate - ANT+ - Versions: G850F (Europe); G850T (T-Mobile)
  • G850M (Vodafone); G850FQ; G850Y Also known as Samsung Galaxy Alfa
  • Sensors Accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging - Splash resistant