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Google Pixel 3a vs Xiaomi Mi 4

Compare recorded specifications, size and practical differences.

Xiaomi Mi 4

Xiaomi Mi 4

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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 technologyOLED versus LCDPixel 3a: OLED · Mi 4: LCD
  • WidthMi 4: 1.6 mm narrowerMi 4: 68.5 mm · Pixel 3a: 70.1 mm
  • Screen diagonalMi 4: 0.6 in smaller diagonalMi 4: 5 in · Pixel 3a: 5.6 in
  • ChipsetQualcomm SDM670 Snapdragon 670 (10 nm) / Qualcomm MSM8974AC Snapdragon 801 (28 nm)Pixel 3a: Qualcomm SDM670 Snapdragon 670 (10 nm) · Mi 4: Qualcomm MSM8974AC Snapdragon 801 (28 nm)
  • DepthPixel 3a: 0.7 mm thinnerPixel 3a: 8.2 mm · Mi 4: 8.9 mm
  • HeightMi 4: 12.1 mm shorterMi 4: 139.2 mm · Pixel 3a: 151.3 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.

Front
Pixel 3a: 151.3 × 70.1 mm 1 Mi 4: 139.2 × 68.5 mm 2
Side
Pixel 3a: 151.3 × 8.2 mm 1 Mi 4: 139.2 × 8.9 mm 2
  1. 1. Pixel 3a
    Height
    151.3 mm+12.1 mm versus Mi 4
    Width
    70.1 mm+1.6 mm versus Mi 4
    Depth
    8.2 mm
    Weight
    147 g
  2. 2. Mi 4
    Height
    139.2 mm
    Width
    68.5 mm
    Depth
    8.9 mm+0.7 mm versus Pixel 3a
    Weight
    149 g
Weight

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

  1. 1. Pixel 3a147 g
  2. 2. Mi 4149 g

    +2 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 Mi 4: 5 in, 16:9, About 68.9 cm² rectangular area 2
  1. 1. Pixel 3a 5.6 in · 18.5:9 About 79.6 cm² rectangular area
  2. 2. Mi 4 5 in · 16:9 About 68.9 cm² rectangular area

Pixel 3a has approximately 15.5% more rectangular screen area than Mi 4.

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

Mi 4: Original memory entry

16/64 GB · 2/3 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. Pixel 3a

NFC
Yes
Headphone jack
Yes
Memory card support
No

2. Mi 4

NFC
Unknown
Headphone jack
Yes
Memory card support
No

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
  2. 2. Mi 43080 mAh

    +80 mAh versus Pixel 3a

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. Mi 4

Everyday essentials
Everyday essentials
SpecificationPixel 3aMi 4
Dimensions (HxWxD)
  • 151.3 Х 70.1 Х 8.2 mm
  • 139.2 Х 68.5 Х 8.9 mm
Weight
  • 147 g
  • 149 g
Technology
  • OLED
  • IPS LCD
Screen size
  • 5.6" inch
  • 5" inch
Screen resolution
  • 1080 x 2220 px
  • 1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 16/64 GB
  • 2/3 GB RAM
Memory card support
  • No
  • No
BatteryCapacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationPixel 3aMi 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Type OLED
  • 16M
Screen area
  • 79.6 cm2
  • 68.9 cm2
Screen format
  • 18.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.0%
  • 72.3%
PPI /points per inch/
  • 441 PPI
  • 441 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video
SpecificationPixel 3aMi 4
Rear camera, main
  • 12.2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 12.2 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
Functions
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 24mm (wide)
  • 1.12µm
  • 8 MP
  • f/1.8
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 3aMi 4
Processor CPU
  • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU
  • Adreno 615
  • Adreno 330
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 159213
  • 61632
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 1603
  • 891
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 5206
  • 1967
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 6426
  • 1997
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 3aMi 4
Release date
  • 2019
  • May
  • 2014
  • July
Colors
  • Just Black
  • Clearly White
  • Purple-ish
  • Black
  • White
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
  • 230 EUR
Battery life Unknown
  • Stand by time- Up to 280 h (3G)
Body build
  • Front glass
  • plastic body
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity
SpecificationPixel 3aMi 4
SIM card
  • Nano-SIM
  • Micro-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 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head)
Music and Audio
Music and Audio
SpecificationPixel 3aMi 4
Radio Unknown
  • FM radio
Others
  • Always-on display
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features
SpecificationPixel 3aMi 4
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
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)

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