Palm Centro vs Xolo Black 1X

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.

  • Width

    Centro: 18.5 mm narrower

    Centro:
    53.5 mm
    Black 1X:
    72 mm
  • Screen diagonal

    Centro: 2.75 in smaller diagonal

    Centro:
    2.25 in
    Black 1X:
    5 in
  • Depth

    Black 1X: 11 mm thinner

    Centro:
    18.6 mm
    Black 1X:
    7.6 mm
  • Height

    Centro: 37.4 mm shorter

    Centro:
    107.2 mm
    Black 1X:
    144.6 mm
  • Release year

    Centro:
    2008
    Black 1X:
    2015

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 mm versus Black 1X
    Weight:
    124 g
  2. 2. Black 1X

    Height:
    144.6 mm +37.4 mm versus Centro
    Width:
    72 mm +18.5 mm versus Centro
    Depth:
    7.6 mm
    Weight:
    Unknown

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. Black 1X

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

Black 1X has approximately 322% 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.

Recorded RAM for Centro, Black 1X, compared at the same storage capacity.
StorageCentroBlack 1X
32 GB Unknown 3 GB RAM
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. Black 1X

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Black 1X

    2400 mAh

    +1250 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. Black 1X

Everyday essentials
Everyday essentials — specifications for Centro, Black 1X.
SpecificationCentroBlack 1X
Dimensions (HxWxD)
  • 107.2 Х 53.5 Х 18.6 mm
  • 144.6 Х 72 Х 7.6 mm
Weight
  • 124 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.25" inch
  • 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
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1150 mAh
  • Removable Li-Ion
  • 2400 mAh
  • Non-removable Li-Po
Operating system OS
  • Palm OS 5.4.9
  • Android 5.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow); HIVE Atlas UI
Chipset Unknown
  • Mediatek MT6753 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Centro, Black 1X.
SpecificationCentroBlack 1X
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 16.3 cm2
  • 68.9 cm2
Screen format
  • 1:1 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 28.5%
  • 66.2%
PPI /points per inch/
  • 201 PPI
  • 441 PPI
Screen protection Unknown
  • Asahi Dragontrail Glass
Camera and Video
Camera and Video — specifications for Centro, Black 1X.
SpecificationCentroBlack 1X
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 1.3 MP
  • 13 MP
  • PDAF
Functions Unknown
  • LED flash
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, Black 1X.
SpecificationCentroBlack 1X
Processor CPU
  • 32-bit Intel XScale PXA270 312 MHz
  • Octa-core 1.3 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP3
GeekBench 4 Single Core * Unknown
  • 617
GeekBench 4 Multi-Core * Unknown
  • 2697
General specs
General specs — specifications for Centro, Black 1X.
SpecificationCentroBlack 1X
Release date
  • 2008
  • February
  • 2015
  • October
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
  • 140 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 4 h
  • Stand by time- Up to 394 h (2G) / Up to 354 h (3G) Talking time- Up to 27 h (2G) / Up to 12 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Centro, Black 1X.
SpecificationCentroBlack 1X
SIM card
  • Mini-SIM
  • Hybrid Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE 1800 TD-LTE 2300
Speed Unknown
  • HSPA 42.2/7.2 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Proprietary
  • microUSB 2.0
  • USB Host
Bluetooth
  • 1.2
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
  • SAR EU - 0.09 W/kg (head) 0.14 W/kg (body)
Music and Audio
Music and Audio — specifications for Centro, Black 1X.
SpecificationCentroBlack 1X
Radio
  • No
  • FM radio
Others
  • 5-way navigation button
Unknown
Other features
Other features — specifications for Centro, Black 1X.
SpecificationCentroBlack 1X
Dop
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For India