Acer M900 vs Oppo A53

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

    A53: 23 g lighter

    M900:
    188 g
    A53:
    165 g
  • Width

    M900: 15 mm narrower

    M900:
    62 mm
    A53:
    77 mm
  • Screen diagonal

    M900: 1.7 in smaller diagonal

    M900:
    3.8 in
    A53:
    5.5 in
  • Depth

    A53: 9.7 mm thinner

    M900:
    17.1 mm
    A53:
    7.4 mm
  • Height

    M900: 34 mm shorter

    M900:
    119 mm
    A53:
    153 mm
  • Release year

    M900:
    2009
    A53:
    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. M900

    Height:
    119 mm
    Width:
    62 mm
    Depth:
    17.1 mm +9.7 mm versus A53
  2. 2. A53

    Height:
    153 mm +34 mm versus M900
    Width:
    77 mm +15 mm versus M900
    Depth:
    7.4 mm

Weight

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

  1. 1. M900

    188 g

    +23 g versus A53

  2. 2. A53

    165 g

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. A53

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

A53 has approximately 102.9% 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.

Recorded RAM for M900, A53, compared at the same storage capacity.
StorageM900A53
16 GB Unknown 2 GB RAM
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. A53

NFC:
Yes
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. M900

    1530 mAh

  2. 2. A53

    3075 mAh

    +1545 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. A53

Everyday essentials
Everyday essentials — specifications for M900, A53.
SpecificationM900A53
Dimensions (HxWxD)
  • 119 Х 62 Х 17.1 mm
  • 153 Х 77 Х 7.4 mm
Weight
  • 188 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.8" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 3075 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 5.1 (Lollipop); ColorOS 2.1
Chipset Unknown
  • Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for M900, A53.
SpecificationM900A53
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 41.1 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.7%
  • 70.8%
PPI /points per inch/
  • 246 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for M900, A53.
SpecificationM900A53
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA videocall camera
  • 5 MP
Performance

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

Performance — specifications for M900, A53.
SpecificationM900A53
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
Antutu 7 score * Unknown
  • 34155
GeekBench 4 Single Core * Unknown
  • 677
GeekBench 4 Multi-Core * Unknown
  • 2734
General specs
General specs — specifications for M900, A53.
SpecificationM900A53
Release date
  • 2009
  • February
  • 2015
  • November
Colors
  • Black
  • White/Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 470 h Talking time- Up to 4 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for M900, A53.
SpecificationM900A53
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/2 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • microUSB 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.43 W/kg (head) 0.92 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for M900, A53.
SpecificationM900A53
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for M900, A53.
SpecificationM900A53
Dop
  • Sensors Fingerprint (front-mounted) Pocket Office -Voice memo -MP3 player -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass