Acer M900 vs BlackBerry Key2

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

    Key2: 20 g lighter

    M900:
    188 g
    Key2:
    168 g
  • Width

    M900: 9.8 mm narrower

    M900:
    62 mm
    Key2:
    71.8 mm
  • Screen diagonal

    M900: 0.7 in smaller diagonal

    M900:
    3.8 in
    Key2:
    4.5 in
  • Rear camera layout

    M900:
    Single
    Key2:
    Dual
  • Depth

    Key2: 8.6 mm thinner

    M900:
    17.1 mm
    Key2:
    8.5 mm
  • Height

    M900: 32.4 mm shorter

    M900:
    119 mm
    Key2:
    151.4 mm

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 +8.6 mm versus Key2
  2. 2. Key2

    Height:
    151.4 mm +32.4 mm versus M900
    Width:
    71.8 mm +9.8 mm versus M900
    Depth:
    8.5 mm

Weight

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

  1. 1. M900

    188 g

    +20 g versus Key2

  2. 2. Key2

    168 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. Key2

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    60.3 cm²

Key2 has approximately 46.7% 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, Key2, compared at the same storage capacity.
StorageM900Key2
64 GB Unknown 6 GB RAM
128 GB Unknown 6 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. Key2

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Key2

    3500 mAh

    +1970 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. Key2

Everyday essentials
Everyday essentials — specifications for M900, Key2.
SpecificationM900Key2
Dimensions (HxWxD)
  • 119 Х 62 Х 17.1 mm
  • 151.4 Х 71.8 Х 8.5 mm
Weight
  • 188 g
  • 168 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.8" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1620 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 8.1 (Oreo)
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for M900, Key2.
SpecificationM900Key2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 41.1 cm2
  • 60.0 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 55.7%
  • 55.2%
PPI /points per inch/
  • 246 PPI
  • 434 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for M900, Key2.
SpecificationM900Key2
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 12 MP
  • f/1.8
  • 1/2.3''
  • 1.28µm
  • dual pixel PDAF -12 MP
  • f/2.6
  • 1/3.4''
  • 1.0µm
  • PDAF
Functions
  • Dual-LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for M900, Key2.
SpecificationM900Key2
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • Adreno 512
Antutu 7 score * Unknown
  • 104256
GeekBench 4 Single Core * Unknown
  • 1628
GeekBench 4 Multi-Core * Unknown
  • 5894
General specs
General specs — specifications for M900, Key2.
SpecificationM900Key2
Release date
  • 2009
  • February
  • 2018
  • June
Colors
  • Black
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 500 EUR
Battery life
  • Stand by time- Up to 470 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • aluminum frame (7000 series)
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for M900, Key2.
SpecificationM900Key2
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by) - BBF100-6 only
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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (BBF100-6 model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - EU
  • Africa
  • AU (BBF100-1) LTE band 1(2100)
  • 14(700)
  • 29(700)
  • 30(2300)
  • 41(2500)
  • 66(1700/2100) - Canada
  • US
  • LATAM (BBF100-2) LTE band 1(2100)
  • 41(2500) - ME
  • APAC
  • India (BBF100-6) LTE band 1(2100)
  • 41(2500) - China (BBF100-4)
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
USB
  • miniUSB
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • microUSB 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • EDR
Harmful irradiation
  • SAR - 0.43 W/kg (head) 0.92 W/kg (body)
  • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for M900, Key2.
SpecificationM900Key2
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for M900, Key2.
SpecificationM900Key2
Dop
  • Sensors Fingerprint (front-mounted) Pocket Office -Voice memo -MP3 player -Predictive text input
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 36 min (Quick Charge 3.0) - Capacitive touch 4-row BlackBerry keyboard - Versions: BBF100-1 (EU
  • Africa
  • AU); BBF100-2 (Canada
  • US
  • LATAM); BBF100-6 (ME
  • APAC
  • India); BBF100-4 (China) Also known as BlackBerry Athena