Palm Centro vs Xiaomi Mi A1

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

    Centro: 41 g lighter

    Centro:
    124 g
    Mi A1:
    165 g
  • Width

    Centro: 22.3 mm narrower

    Centro:
    53.5 mm
    Mi A1:
    75.8 mm
  • Screen diagonal

    Centro: 3.25 in smaller diagonal

    Centro:
    2.25 in
    Mi A1:
    5.5 in
  • Rear camera layout

    Centro:
    Single
    Mi A1:
    Dual
  • Depth

    Mi A1: 11.3 mm thinner

    Centro:
    18.6 mm
    Mi A1:
    7.3 mm
  • Height

    Centro: 48.2 mm shorter

    Centro:
    107.2 mm
    Mi A1:
    155.4 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. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +11.3 mm versus Mi A1
  2. 2. Mi A1

    Height:
    155.4 mm +48.2 mm versus Centro
    Width:
    75.8 mm +22.3 mm versus Centro
    Depth:
    7.3 mm

Weight

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

  1. 1. Centro

    124 g

  2. 2. Mi A1

    165 g

    +41 g versus Centro

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. Centro

    Screen diagonal:
    2.25 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    16.3 cm²
  2. 2. Mi A1

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

Mi A1 has approximately 410.6% more rectangular screen area than Centro.

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.

Centro: Original memory entry

64 MB

Mi A1: 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. Centro

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 GB (dedicated slot)

2. Mi A1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 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. Centro

    1150 mAh

  2. 2. Mi A1

    3080 mAh

    +1930 mAh versus Centro

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. Centro2. Mi A1

Everyday essentials
Everyday essentials — specifications for Centro, Mi A1.
SpecificationCentroMi A1
Dimensions (HxWxD)
  • 107.2 Х 53.5 Х 18.6 mm
  • 155.4 Х 75.8 Х 7.3 mm
Weight
  • 124 g
  • 165 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 2.25" inch
  • 5.5" inch
Screen resolution
  • 320 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1150 mAh
  • Removable Li-Ion
  • 3080 mAh
  • Non-removable Li-Po
Operating system OS
  • Palm OS 5.4.9
  • Android 7.1.2 (Nougat)
  • upgradable to Android 9.0 (Pie); Android One
Chipset Unknown
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Centro, Mi A1.
SpecificationCentroMi A1
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 16.3 cm2
  • 82.6 cm2
Screen format
  • 1:1 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 28.5%
  • 70.1%
PPI /points per inch/
  • 201 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Centro, Mi A1.
SpecificationCentroMi A1
Rear camera, main
  • 1.3 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 1.3 MP
  • 12 MP
  • f/2.2
  • 26mm (wide)
  • 1.25µm
  • PDAF -12 MP
  • f/2.6
  • 50mm (telephoto)
  • 1.0µm
  • AF
  • 2x optical zoom
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance

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

Performance — specifications for Centro, Mi A1.
SpecificationCentroMi A1
Processor CPU
  • 32-bit Intel XScale PXA270 312 MHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 506
Antutu 7 score * Unknown
  • 78560
GeekBench 4 Single Core * Unknown
  • 859
GeekBench 4 Multi-Core * Unknown
  • 4171
Antutu 8 score * Unknown
  • 96807
GeekBench 4 Battery * Unknown
  • 3415
GeekBench 5 Single Core * Unknown
  • 169
GeekBench 5 Multi-Core * Unknown
  • 1000
General specs
General specs — specifications for Centro, Mi A1.
SpecificationCentroMi A1
Release date
  • 2008
  • February
  • 2017
  • September
Colors
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
  • Black
  • Gold
  • Rose Gold
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 170 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Front glass
  • aluminum frame
  • back
Communication and Connectivity
Communication and Connectivity — specifications for Centro, Mi A1.
SpecificationCentroMi A1
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 1.2
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Centro, Mi A1.
SpecificationCentroMi A1
Radio
  • No
  • FM radio
Others
  • 5-way navigation button
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Centro, Mi A1.
SpecificationCentroMi A1
Dop
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • Infrared port - Charging 5V/2A 10W - For Europe
  • Asia Pacific
  • Middle East & Africa
  • LATAM. Also known as Xiaomi Mi 5X in China.