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Google Pixel 3a vs Xiaomi Mi 8

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Pixel 3a: 28 g lighter

    Pixel 3a:
    147 g
    Mi 8:
    175 g
  • Width

    Pixel 3a: 4.7 mm narrower

    Pixel 3a:
    70.1 mm
    Mi 8:
    74.8 mm
  • Screen diagonal

    Pixel 3a: 0.61 in smaller diagonal

    Pixel 3a:
    5.6 in
    Mi 8:
    6.21 in
  • Chipset

    Pixel 3a:
    Qualcomm SDM670 Snapdragon 670 (10 nm)
    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Pixel 3a:
    Single
    Mi 8:
    Dual
  • Depth

    Mi 8: 0.6 mm thinner

    Pixel 3a:
    8.2 mm
    Mi 8:
    7.6 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. Pixel 3a

    Height:
    151.3 mm
    Width:
    70.1 mm
    Depth:
    8.2 mm +0.6 mm versus Mi 8
  2. 2. Mi 8

    Height:
    154.9 mm +3.6 mm versus Pixel 3a
    Width:
    74.8 mm +4.7 mm versus Pixel 3a
    Depth:
    7.6 mm

Weight

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

  1. 1. Pixel 3a

    147 g

  2. 2. Mi 8

    175 g

    +28 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.

  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. Mi 8

    Screen diagonal:
    6.21 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.3 cm²

Mi 8 has approximately 20.9% more rectangular screen area than Pixel 3a.

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 8: Original memory entry

64/128/256 GB · 6 GB RAM 128 GB · 8 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 8

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

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

  2. 2. Mi 8

    3400 mAh

    +400 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 8

Everyday essentials
Everyday essentials — specifications for Pixel 3a, Mi 8.
SpecificationPixel 3aMi 8
Dimensions (HxWxD)
  • 151.3 Х 70.1 Х 8.2 mm
  • 154.9 Х 74.8 Х 7.6 mm
Weight
  • 147 g
  • 175 g
Technology
  • OLED
  • Super AMOLED
Screen size
  • 5.6" inch
  • 6.21" inch
Screen resolution
  • 1080 x 2220 px
  • 1080 x 2248 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 3400 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
Chipset
  • Qualcomm SDM670 Snapdragon 670 (10 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Pixel 3a, Mi 8.
SpecificationPixel 3aMi 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Type OLED
  • 16M
Screen area
  • 79.6 cm2
  • 97.1 cm2
Screen format
  • 18.5:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 75.0%
  • 83.8%
PPI /points per inch/
  • 441 PPI
  • 402 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass 5
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, Mi 8.
SpecificationPixel 3aMi 8
Rear camera, main
  • 12.2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 12.2 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.55''
  • 1.4µm
  • OIS
  • dual pixel PDAF
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 56mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 24mm (wide)
  • 1.12µm
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score *
  • 101
  • 99
DxOMark Photo *
  • 104
  • 105
DxOMark Video *
  • 95
  • 88
Performance

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

Performance — specifications for Pixel 3a, Mi 8.
SpecificationPixel 3aMi 8
Processor CPU
  • Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 615
  • Adreno 630
Antutu 7 score *
  • 159213
  • 297023
GeekBench 4 Single Core *
  • 1603
  • 2280
GeekBench 4 Multi-Core *
  • 5206
  • 8242
GeekBench 4 RenderScript *
  • 6426
  • 13089
Antutu 8 score * Unknown
  • 353884
GeekBench 4 Battery *
  • 4895
  • 3965
GeekBench 5 Single Core *
  • 345
  • 447
GeekBench 5 Multi-Core *
  • 1300
  • 1898
General specs
General specs — specifications for Pixel 3a, Mi 8.
SpecificationPixel 3aMi 8
Release date
  • 2019
  • May
  • 2018
  • May
Colors
  • Just Black
  • Clearly White
  • Purple-ish
  • Black
  • Blue
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 400 EUR
  • 380 EUR
Body build
  • Front glass
  • plastic body
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Pixel 3a, Mi 8.
SpecificationPixel 3aMi 8
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 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 dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Pixel 3a, Mi 8.
SpecificationPixel 3aMi 8
Radio Unknown
  • No
Others
  • Always-on display
  • Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Pixel 3a, Mi 8.
SpecificationPixel 3aMi 8
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 18W -USB Power Delivery 2.0 - Versions: G020A
  • G020E
  • G020B
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)