Samsung Galaxy A51 vs Samsung Galaxy Star 2 Plus

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

    Galaxy Star 2 Plus: 43 g lighter

    Galaxy A51:
    172 g
    Galaxy Star 2 Plus:
    129 g
  • Width

    Galaxy Star 2 Plus: 7.7 mm narrower

    Galaxy A51:
    73.6 mm
    Galaxy Star 2 Plus:
    65.9 mm
  • Screen diagonal

    Galaxy Star 2 Plus: 2.2 in smaller diagonal

    Galaxy A51:
    6.5 in
    Galaxy Star 2 Plus:
    4.3 in
  • Rear camera layout

    Galaxy A51:
    Quad
    Galaxy Star 2 Plus:
    Single
  • Depth

    Galaxy A51: 1.5 mm thinner

    Galaxy A51:
    7.9 mm
    Galaxy Star 2 Plus:
    9.4 mm
  • Height

    Galaxy Star 2 Plus: 28.8 mm shorter

    Galaxy A51:
    158.5 mm
    Galaxy Star 2 Plus:
    129.7 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. Galaxy A51

    Height:
    158.5 mm +28.8 mm versus Galaxy Star 2 Plus
    Width:
    73.6 mm +7.7 mm versus Galaxy Star 2 Plus
    Depth:
    7.9 mm
  2. 2. Galaxy Star 2 Plus

    Height:
    129.7 mm
    Width:
    65.9 mm
    Depth:
    9.4 mm +1.5 mm versus Galaxy A51

Weight

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

  1. 1. Galaxy A51

    172 g

    +43 g versus Galaxy Star 2 Plus

  2. 2. Galaxy Star 2 Plus

    129 g

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 A51

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. Galaxy Star 2 Plus

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²

Galaxy A51 has approximately 93.8% more rectangular screen area than Galaxy Star 2 Plus.

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 A51, Galaxy Star 2 Plus, compared at the same storage capacity.
StorageGalaxy A51Galaxy Star 2 Plus
64 GB 4 GB RAM Unknown
128 GB 4 / 6 / 8 GB RAM Alternative RAM configurations Unknown
Galaxy Star 2 Plus: 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. Galaxy A51

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 1 TB (dedicated slot)

2. Galaxy Star 2 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Galaxy A51

    4000 mAh

    +2200 mAh versus Galaxy Star 2 Plus

  2. 2. Galaxy Star 2 Plus

    1800 mAh

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 A512. Galaxy Star 2 Plus

Everyday essentials
Everyday essentials — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
Dimensions (HxWxD)
  • 158.5 Х 73.6 Х 7.9 mm
  • 129.7 Х 65.9 Х 9.4 mm
Weight
  • 172 g
  • 129 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.5" inch
  • 4.3" inch
Screen resolution
  • 1080 x 2400 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 1 TB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; One UI 2
  • Android 4.4.2 (KitKat)
Chipset
  • Exynos 9611 (10nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 52.6 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 87.4%
  • 61.6%
PPI /points per inch/
  • 405 PPI
  • 217 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
Rear camera, main
  • 48 MP
  • Quad
  • 3.15 MP
  • Single
Camera specs
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -12 MP
  • f/2.2
  • 12mm (ultrawide) -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0"
  • 1.12µm -5 MP
  • 1.12µm
  • depth sensor
  • 3.15 MP
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 320p
Front camera, selfie
  • 32 MP
  • Single
  • 0 MP,
Specifications
  • 32 MP
  • f/2.2
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
Unknown
Performance

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

Performance — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
  • 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-G72 MP3
Unknown
Antutu 7 score *
  • 155326
  • 6973
Antutu 8 score *
  • 186846
Unknown
GeekBench 5 Single Core *
  • 322
Unknown
GeekBench 5 Multi-Core *
  • 1212
Unknown
General specs
General specs — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
Release date
  • 2019
  • December
  • 2014
  • July
Colors
  • Prism Crush Black
  • White
  • Blue
  • Pink
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • $280
  • 90 EUR
Battery life
  • Talking time- Up to 32 h (3G) Music play - Up to 87 h
  • Talking time- Up to 17 h Music play - Up to 32 h
Body build
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE (unspecified)
Unknown
Speed
  • HSPA
  • LTE-A
Unknown
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
  • GALILEO
  • BDS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 W/kg (body)
  • SAR - 0.75 W/kg (head) 1.12 W/kg (body) SAR EU - 0.48 W/kg (head) 0.49 W/kg (body)
Music and Audio
Music and Audio — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Galaxy A51, Galaxy Star 2 Plus.
SpecificationGalaxy A51Galaxy Star 2 Plus
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Fast battery charging 15W - Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia)
  • Sensors Accelerometer Also known as Samsung Galaxy Star Advance