Palm Centro vs Spice Mi-491 Stellar Virtuoso Pro

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: 19 g lighter

    Centro:
    124 g
    Mi-491 Stellar Virtuoso Pro:
    143 g
  • Width

    Centro: 14.5 mm narrower

    Centro:
    53.5 mm
    Mi-491 Stellar Virtuoso Pro:
    68 mm
  • Screen diagonal

    Centro: 2.25 in smaller diagonal

    Centro:
    2.25 in
    Mi-491 Stellar Virtuoso Pro:
    4.5 in
  • Depth

    Mi-491 Stellar Virtuoso Pro: 8.7 mm thinner

    Centro:
    18.6 mm
    Mi-491 Stellar Virtuoso Pro:
    9.9 mm
  • Height

    Centro: 27.8 mm shorter

    Centro:
    107.2 mm
    Mi-491 Stellar Virtuoso Pro:
    135 mm
  • Release year

    Centro:
    2008
    Mi-491 Stellar Virtuoso Pro:
    2013

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 +8.7 mm versus Mi-491 Stellar Virtuoso Pro
  2. 2. Mi-491 Stellar Virtuoso Pro

    Height:
    135 mm +27.8 mm versus Centro
    Width:
    68 mm +14.5 mm versus Centro
    Depth:
    9.9 mm

Weight

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

  1. 1. Centro

    124 g

  2. 2. Mi-491 Stellar Virtuoso Pro

    143 g

    +19 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-491 Stellar Virtuoso Pro

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

Mi-491 Stellar Virtuoso Pro has approximately 241.8% 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

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-491 Stellar Virtuoso Pro

NFC:
Unknown
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. Centro

    1150 mAh

  2. 2. Mi-491 Stellar Virtuoso Pro

    1700 mAh

    +550 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-491 Stellar Virtuoso Pro

Everyday essentials
Everyday essentials — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
Dimensions (HxWxD)
  • 107.2 Х 53.5 Х 18.6 mm
  • 135 Х 68 Х 9.9 mm
Weight
  • 124 g
  • 143 g
Technology
  • TFT
  • TFT
Screen size
  • 2.25" inch
  • 4.5" inch
Screen resolution
  • 320 x 320 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
Unknown
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1150 mAh
  • Removable Li-Ion
  • 1700 mAh
  • Li-Ion
Operating system OS
  • Palm OS 5.4.9
  • Android 4.1 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6577 (40 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 16.3 cm2
  • 55.8 cm2
Screen format
  • 1:1 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 28.5%
  • 60.8%
PPI /points per inch/
  • 201 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
Rear camera, main
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 1.3 MP
  • 5 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
Processor CPU
  • 32-bit Intel XScale PXA270 312 MHz
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
General specs
General specs — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
Release date
  • 2008
  • February
  • 2013
  • June
Colors
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 80 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 4 h
  • Stand by time- Up to 210 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
GPS
  • No
  • A-GPS only
USB
  • Proprietary
  • microUSB
Bluetooth
  • 1.2
  • A2DP
  • 3.0
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
Radio
  • No
  • FM radio
Others
  • 5-way navigation button
  • SRS audio
Other features
Other features — specifications for Centro, Mi-491 Stellar Virtuoso Pro.
SpecificationCentroMi-491 Stellar Virtuoso Pro
Dop
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo
  • Sensors Accelerometer