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  2. Google Pixel 3a vs Samsung i640

Google Pixel 3a vs Samsung i640

Compare recorded specifications, size and practical differences.

Samsung i640

Samsung i640

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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.

      • Widthi640: 9.1 mm narroweri640: 61 mm · Pixel 3a: 70.1 mm
      • Screen diagonali640: 3.2 in smaller diagonali640: 2.4 in · Pixel 3a: 5.6 in
      • DepthPixel 3a: 8.7 mm thinnerPixel 3a: 8.2 mm · i640: 16.9 mm
      • Heighti640: 56.9 mm shorteri640: 94.4 mm · Pixel 3a: 151.3 mm
      • Release year2019 / 2008Pixel 3a: 2019 · i640: 2008

      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.

      Front
      Pixel 3a: 151.3 × 70.1 mm 1 i640: 94.4 × 61 mm 2
      Side
      Pixel 3a: 151.3 × 8.2 mm 1 i640: 94.4 × 16.9 mm 2
      1. 1. Pixel 3a
        Height
        151.3 mm+56.9 mm versus i640
        Width
        70.1 mm+9.1 mm versus i640
        Depth
        8.2 mm
        Weight
        147 g
      2. 2. i640
        Height
        94.4 mm
        Width
        61 mm
        Depth
        16.9 mm+8.7 mm versus Pixel 3a
        Weight
        148 g
      Weight

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

      1. 1. Pixel 3a147 g
      2. 2. i640148 g

        +1 g versus Pixel 3a

      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.

      Screen size
      Pixel 3a: 5.6 in, 18.5:9, About 79.6 cm² rectangular area 1 i640: 2.4 in, 4:3, About 17.8 cm² rectangular area 2
      1. 1. Pixel 3a 5.6 in · 18.5:9 About 79.6 cm² rectangular area
      2. 2. i640 2.4 in · 4:3 About 17.8 cm² rectangular area

      Pixel 3a has approximately 346.2% more rectangular screen area than i640.

      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.

      No unambiguous storage/RAM pairings are recorded. See the original specifications below.

      Pixel 3a: Original memory entry

      64 GB · 512GB 4GB

      i640: Original memory entry

      64 MB RAM · 128 MB ROM

      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. i640

      NFC
      Unknown
      Headphone jack
      No
      Memory card support
      See details microSD (dedicated slot)

      Battery capacity

      Capacity is not battery life. No endurance test is implied.

      Recorded capacity

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

      1. 1. Pixel 3a3000 mAh

        +2000 mAh versus i640

      2. 2. i6401000 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. i640

      Everyday essentials
      Everyday essentials
      SpecificationPixel 3ai640
      Dimensions (HxWxD)
      • 151.3 Х 70.1 Х 8.2 mm
      • 94.4 Х 61 Х 16.9 mm
      Weight
      • 147 g
      • 148 g
      Technology
      • OLED
      • TFT
      Screen size
      • 5.6" inch
      • 2.4" inch
      Screen resolution
      • 1080 x 2220 px
      • 320 x 240 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 64 GB
      • 512GB 4GB
      • 64 MB RAM
      • 128 MB ROM
      Memory card support
      • No
      • microSD (dedicated slot)
      BatteryCapacity is not battery life. No endurance test is implied.
      • 3000 mAh
      • Non-removable Li-Po
      • 1000 mAh
      • Removable Li-Ion
      Operating system OS
      • Android 9.0 (Pie)
      • Microsoft Windows Mobile 6.0 Standard
      Chipset
      • Qualcomm SDM670 Snapdragon 670 (10 nm)
      		 Unknown
      NFC
      • Yes
      		 Unknown
      Headphone jack
      • Yes
      • No
      Display
      Display
      SpecificationPixel 3ai640
      Touchscreen
      • capacitive touchscreen
      		 Unknown
      Display colors
      • Type OLED
      • 65K
      Screen area
      • 79.6 cm2
      • 17.8 cm2
      Screen format
      • 18.5:9 (height:width)
      • 4:3 (height:width)
      Screen to body ratio
      • 75.0%
      • 31.0%
      PPI /points per inch/
      • 441 PPI
      • 167 PPI
      Screen protection
      • Asahi Dragontrail Glass
      		 Unknown
      Camera and Video
      Camera and Video
      SpecificationPixel 3ai640
      Rear camera, main
      • 12.2 MP
      • Single
      • 2 MP
      • Single
      Camera specs
      • 12.2 MP
      • f/1.8
      • 28mm (wide)
      • 1/2.55''
      • 1.4µm
      • OIS
      • dual pixel PDAF
      • 2 MP
      Functions
      • HDR
      		 Unknown
      Video
      • 1080p@30fps
      • Yes
      Front camera, selfie
      • 8 MP
      • Single
      • 0.3 MP
      • Single
      Specifications
      • 8 MP
      • f/2.0
      • 24mm (wide)
      • 1.12µm
      • VGA videocall camera
      DxOMark Main ScoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 101
      		 Unknown
      DxOMark PhotoLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 104
      		 Unknown
      DxOMark VideoLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 95
      		 Unknown
      Performance
      Performance
      SpecificationPixel 3ai640
      Processor CPU
      • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
      • 32-bit Intel XScale PXA270 416 MHz
      Graphics processor GPU
      • Adreno 615
      		 Unknown
      Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 159213
      		 Unknown
      GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 1603
      		 Unknown
      GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 5206
      		 Unknown
      GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 6426
      		 Unknown
      GeekBench 4 BatteryLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 4895
      		 Unknown
      GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 345
      		 Unknown
      GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 1300
      		 Unknown
      General specs
      General specs
      SpecificationPixel 3ai640
      Release date
      • 2019
      • May
      • 2008
      • February
      Colors
      • Just Black
      • Clearly White
      • Purple-ish
      • Silver
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 400 EUR
      • 150 EUR
      Battery life Unknown
      • Stand by time- Up to 250 h Talking time- Up to 6 h
      Body build
      • Front glass
      • plastic body
      		 Unknown
      Communication and Connectivity
      Communication and Connectivity
      SpecificationPixel 3ai640
      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 900 / 1800 / 1900
      Speed
      • HSPA 42.2/5.76 Mbps
      • LTE-A (3CA) Cat11 600/75 Mbps
      • HSPA 3.6/0.384 Mbps
      GPRS
      • Yes
      • Class 10
      Edge
      • Yes
      • Class 10
      Wi-Fi
      • Wi-Fi 802.11 a/b/g/n/ac
      • dual-band
      • Wi-Fi Direct
      • hotspot
      • No
      GPS
      • Yes
      • with A-GPS
      • GLONASS
      • GALILEO
      • No
      USB
      • 2.0
      • Type-C 1.0 reversible connector
      • 1.1
      Bluetooth
      • 5.0
      • A2DP
      • LE
      • aptX HD
      • 2.0
      Harmful irradiation Unknown
      • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
      Music and Audio
      Music and Audio
      SpecificationPixel 3ai640
      Radio Unknown
      • No
      Others
      • Always-on display
      • Active noise cancellation with dedicated mic
      • Jog Dial
      Other features
      Other features
      SpecificationPixel 3ai640
      Dop
      • Sensors Fingerprint (rear-mounted)
      • accelerometer
      • gyro
      • proximity
      • compass
      • barometer - Fast battery charging 18W -USB Power Delivery 2.0 - Versions: G020A
      • G020E
      • G020B
      • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo

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