Acer M900 vs Celkon A225

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.

  • Screen diagonal

    M900: 0.9 in smaller diagonal

    M900:
    3.8 in
    A225:
    4.7 in
  • Release year

    M900:
    2009
    A225:
    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. M900

    Height:
    119 mm
    Width:
    62 mm
    Depth:
    17.1 mm
    Weight:
    188 g
  2. 2. A225

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. M900

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    41.1 cm²
  2. 2. A225

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

A225 has approximately 48.2% more rectangular screen area than M900.

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.

M900: Original memory entry

Super AMOLED

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. M900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. A225

NFC:
Unknown
Headphone jack:
Unknown
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. M900

    1530 mAh

  2. 2. A225

    2100 mAh

    +570 mAh versus M900

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. M9002. A225

Everyday essentials
Everyday essentials — specifications for M900, A225.
SpecificationM900A225
Dimensions (HxWxD)
  • 119 Х 62 Х 17.1 mm
  • Х Х mm
Weight
  • 188 g
  • 0 g
Technology
  • TFT
Unknown
Screen size
  • 3.8" inch
  • 4.7" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
Unknown
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 2100 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 4.1 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6577 (40 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
Unknown
Display
Display — specifications for M900, A225.
SpecificationM900A225
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 41.1 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.7%
Unknown
PPI /points per inch/
  • 246 PPI
  • 208 PPI
Camera and Video
Camera and Video — specifications for M900, A225.
SpecificationM900A225
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for M900, A225.
SpecificationM900A225
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
General specs
General specs — specifications for M900, A225.
SpecificationM900A225
Release date
  • 2009
  • February
  • 2013
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 140 EUR
Battery life
  • Stand by time- Up to 470 h Talking time- Up to 4 h
  • Stand by time- Up to 180 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for M900, A225.
SpecificationM900A225
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/2 Mbps
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
USB
  • miniUSB
  • Proprietary
Bluetooth
  • microUSB 2.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 0.43 W/kg (head) 0.92 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for M900, A225.
SpecificationM900A225
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for M900, A225.
SpecificationM900A225
Dop
  • Sensors Fingerprint (front-mounted) Pocket Office -Voice memo -MP3 player -Predictive text input
  • Sensors Accelerometer