Google Pixel 3a vs Samsung Galaxy S2

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 S2: 31 g lighter

    Pixel 3a:
    147 g
    Galaxy S2:
    116 g
  • Width

    Galaxy S2: 4 mm narrower

    Pixel 3a:
    70.1 mm
    Galaxy S2:
    66.1 mm
  • Screen diagonal

    Galaxy S2: 1.3 in smaller diagonal

    Pixel 3a:
    5.6 in
    Galaxy S2:
    4.3 in
  • Chipset

    Pixel 3a:
    Qualcomm SDM670 Snapdragon 670 (10 nm)
    Galaxy S2:
    Exynos 4210 Dual
  • Height

    Galaxy S2: 26 mm shorter

    Pixel 3a:
    151.3 mm
    Galaxy S2:
    125.3 mm
  • Release year

    Pixel 3a:
    2019
    Galaxy S2:
    2011

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. Pixel 3a

    Height:
    151.3 mm +26 mm versus Galaxy S2
    Width:
    70.1 mm +4 mm versus Galaxy S2
    Depth:
    8.2 mm
  2. 2. Galaxy S2

    Height:
    125.3 mm
    Width:
    66.1 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. Pixel 3a

    147 g

    +31 g versus Galaxy S2

  2. 2. Galaxy S2

    116 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. Pixel 3a

    Screen diagonal:
    5.6 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    79.6 cm²
  2. 2. Galaxy S2

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

Pixel 3a has approximately 51.2% more rectangular screen area than Galaxy S2.

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 Pixel 3a, Galaxy S2, compared at the same storage capacity.
StoragePixel 3aGalaxy S2
16 GB Unknown 1 GB RAM
32 GB Unknown 1 GB RAM
Pixel 3a: Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. Pixel 3a

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

2. Galaxy S2

NFC:
See details Optional
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. Pixel 3a

    3000 mAh

    +1350 mAh versus Galaxy S2

  2. 2. Galaxy S2

    1650 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. Pixel 3a2. Galaxy S2

Everyday essentials
Everyday essentials — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
Dimensions (HxWxD)
  • 151.3 Х 70.1 Х 8.2 mm
  • 125.3 Х 66.1 Х 8.5 mm
Weight
  • 147 g
  • 116 g
Technology
  • OLED
  • Super AMOLED Plus
Screen size
  • 5.6" inch
  • 4.3" inch
Screen resolution
  • 1080 x 2220 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 16/32 GB
  • 1 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1650 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 2.3.4 (Gingerbread)
  • upgradable to 4.1 (Jelly Bean); TouchWiz UI 4
Chipset
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
  • Exynos 4210 Dual
NFC
  • Yes
  • Optional
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Type OLED
  • 16M
Screen area
  • 79.6 cm2
  • 52.6 cm2
Screen format
  • 18.5:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 75.0%
  • 63.5%
PPI /points per inch/
  • 441 PPI
  • 217 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass
Camera and Video

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

Camera and Video — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
Rear camera, main
  • 12.2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 12.2 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF
  • 8 MP
  • f/2.6
  • 1/3.2''
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 24mm (wide)
  • 1.12µm
  • 2 MP
DxOMark Main Score *
  • 101
Unknown
DxOMark Photo *
  • 104
Unknown
DxOMark Video *
  • 95
Unknown
Performance

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

Performance — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
Processor CPU
  • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU
  • Adreno 615
  • Mali-400MP4
Antutu 7 score *
  • 159213
  • 9100
GeekBench 4 Single Core *
  • 1603
  • 415
GeekBench 4 Multi-Core *
  • 5206
  • 639
GeekBench 4 RenderScript *
  • 6426
  • 346
GeekBench 4 Battery *
  • 4895
Unknown
GeekBench 5 Single Core *
  • 345
Unknown
GeekBench 5 Multi-Core *
  • 1300
Unknown
General specs
General specs — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
Release date
  • 2019
  • May
  • 2011
  • February. Released 2011
  • April
Colors
  • Just Black
  • Clearly White
  • Purple-ish
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
  • 170 EUR
Battery life Unknown
  • Stand by time- Up to 710 h (2G) / Up to 610 h (3G) Talking time- Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G)
Body build
  • Front glass
  • plastic body
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0 (MHL TV-out)
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 3.0
  • A2DP
  • aptX
Harmful irradiation Unknown
  • SAR - 0.16 W/kg (head) 0.96 W/kg (body) SAR EU - 0.34 W/kg (head)
Music and Audio
Music and Audio — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
Radio Unknown
  • Stereo FM radio
  • RDS
Others
  • Always-on display
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Pixel 3a, Galaxy S2.
SpecificationPixel 3aGalaxy S2
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 18W -USB Power Delivery 2.0 - Versions: G020A
  • G020E
  • G020B
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass