Samsung Galaxy A21 vs Samsung Galaxy Ace 3

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.

  • Screen diagonal

    Galaxy Ace 3: 2.5 in smaller diagonal

    Galaxy A21:
    6.5 in
    Galaxy Ace 3:
    4 in
  • Rear camera layout

    Galaxy A21:
    Quad
    Galaxy Ace 3:
    Single
  • Release year

    Galaxy A21:
    2020
    Galaxy Ace 3:
    2013

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 A21

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Galaxy Ace 3

    Height:
    121.2 mm
    Width:
    62.7 mm
    Depth:
    9.8 mm
    Weight:
    115 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 A21

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. Galaxy Ace 3

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

Galaxy A21 has approximately 124% more rectangular screen area than Galaxy Ace 3.

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 A21, Galaxy Ace 3, compared at the same storage capacity.
StorageGalaxy A21Galaxy Ace 3
32 GB 3 GB RAM Unknown
Galaxy Ace 3: Original memory entry

4 GB (3G) / 8 GB (LTE) · 1 GB 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 A21

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Galaxy Ace 3

NFC:
See details Yes (LTE model only)
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. Galaxy A21

    4000 mAh

    +2500 mAh versus Galaxy Ace 3

  2. 2. Galaxy Ace 3

    1500 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 A212. Galaxy Ace 3

Everyday essentials
Everyday essentials — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
Dimensions (HxWxD)
  • Х Х mm
  • 121.2 Х 62.7 Х 9.8 mm
Weight
  • 0 g
  • 115 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.5" inch
  • 4" inch
Screen resolution
  • 720 x 1600 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 4 GB (3G) / 8 GB (LTE)
  • 1 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; One UI 2.0
  • Android 4.2 (Jelly Bean)
Chipset Unknown
  • Broadcom BCM21664 (3G) / Qualcomm MSM8930 Snapdragon 400 (28 nm) (LTE)
NFC
  • Yes (market/region dependent)
  • Yes (LTE model only)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 45.5 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio Unknown
  • 59.9%
PPI /points per inch/
  • 270 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
Rear camera, main
  • 16 MP
  • Quad
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • (wide)
  • AF -8 MP
  • (ultrawide) -2 MP
  • (macro) -2 MP
  • (depth)
  • 5 MP
  • AF
  • f/2.6
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
  • panorama
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 13 MP
  • (wide)
  • VGA
Performance

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

Performance — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
Processor CPU Unknown
  • Dual-core 1.0 GHz Cortex-A9 (3G) / Dual-core 1.2 GHz Krait (LTE)
Graphics processor GPU Unknown
  • Broadcom VideoCore IV (3G) / Adreno 305 (LTE)
Antutu 7 score * Unknown
  • 10875
General specs
General specs — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
Release date
  • 2020
  • April 8
  • 2013
  • June
Colors
  • Black
  • Black
  • White
  • Dark red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 370 h (3G) Talking time- Up to 8 h (3G)
Body build
  • Glass front
  • plastic back
  • plastic frame
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
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 only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - S7272 -3G - HSDPA 900 / 2100 - S7270
  • S7272 HSDPA 850 / 900 / 2100 - S7275 -4G - LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - S7275
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2(14.4 - 3G)/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Yes
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.67 W/kg (head) 0.45 W/kg (body) SAR EU - 0.47 W/kg (head) 0.35 W/kg (body)
Music and Audio
Music and Audio — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for Galaxy A21, Galaxy Ace 3.
SpecificationGalaxy A21Galaxy Ace 3
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast charging 15W - Preliminary specifications
  • Sensors Accelerometer
  • proximity
  • compass - Also known as Samsung Galaxy Ace 3 3G S7270; Samsung Galaxy Ace 3 LTE S7275; Samsung Galaxy Ace 3 S7272 Duos with dual-SIM card slots