A1 Smart N9 vs Acer M900

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

    Smart N9: 43 g lighter

    Smart N9:
    145 g
    M900:
    188 g
  • Width

    M900: 6.8 mm narrower

    Smart N9:
    68.8 mm
    M900:
    62 mm
  • Screen diagonal

    M900: 1.7 in smaller diagonal

    Smart N9:
    5.5 in
    M900:
    3.8 in
  • Depth

    Smart N9: 8.4 mm thinner

    Smart N9:
    8.7 mm
    M900:
    17.1 mm
  • Height

    M900: 28.1 mm shorter

    Smart N9:
    147.1 mm
    M900:
    119 mm
  • Release year

    Smart N9:
    2018
    M900:
    2009

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. Smart N9

    Height:
    147.1 mm +28.1 mm versus M900
    Width:
    68.8 mm +6.8 mm versus M900
    Depth:
    8.7 mm
  2. 2. M900

    Height:
    119 mm
    Width:
    62 mm
    Depth:
    17.1 mm +8.4 mm versus Smart N9

Weight

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

  1. 1. Smart N9

    145 g

  2. 2. M900

    188 g

    +43 g versus Smart N9

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. Smart N9

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. M900

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

Smart N9 has approximately 89.9% 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 Smart N9, M900, compared at the same storage capacity.
StorageSmart N9M900
16 GB 2 GB RAM Unknown
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. Smart N9

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. M900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (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. Smart N9

    2900 mAh

    +1370 mAh versus M900

  2. 2. M900

    1530 mAh

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. Smart N92. M900

Everyday essentials
Everyday essentials — specifications for Smart N9, M900.
SpecificationSmart N9M900
Dimensions (HxWxD)
  • 147.1 Х 68.8 Х 8.7 mm
  • 119 Х 62 Х 17.1 mm
Weight
  • 145 g
  • 188 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.8" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16GB 2GB RAM
  • Super AMOLED
Memory card support
  • microSD
  • up to 32 GB
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 1530 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Mediatek MT6739WA (28 nm)
Unknown
NFC
  • Yes
  • Super AMOLED
Headphone jack
  • Yes
  • panorama
Display
Display — specifications for Smart N9, M900.
SpecificationSmart N9M900
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 78.1 cm2
  • 41.1 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 77.1%
  • 55.7%
PPI /points per inch/
  • 293 PPI
  • 246 PPI
Camera and Video
Camera and Video — specifications for Smart N9, M900.
SpecificationSmart N9M900
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA videocall camera
Performance
Performance — specifications for Smart N9, M900.
SpecificationSmart N9M900
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • 533 MHz Samsung S3C 6410
Graphics processor GPU
  • Mali-T720MP2
Unknown
General specs
General specs — specifications for Smart N9, M900.
SpecificationSmart N9M900
Release date
  • 2018
  • June
  • 2009
  • February
Colors
  • Silver Aluminium
  • Black Titanium
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 250 EUR
Battery life Unknown
  • Stand by time- Up to 470 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Smart N9, M900.
SpecificationSmart N9M900
SIM card
  • Nano-SIM
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • SiRF Star III chipset
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • microUSB 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.96 W/kg (head) 1.56 W/kg (body)
  • SAR - 0.43 W/kg (head) 0.92 W/kg (body)
Music and Audio
Music and Audio — specifications for Smart N9, M900.
SpecificationSmart N9M900
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Smart N9, M900.
SpecificationSmart N9M900
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (front-mounted) Pocket Office -Voice memo -MP3 player -Predictive text input