BlackBerry Key2 vs Mitac MIO 8870

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

    MIO 8870: 48 g lighter

    Key2:
    168 g
    MIO 8870:
    120 g
  • Width

    MIO 8870: 22.8 mm narrower

    Key2:
    71.8 mm
    MIO 8870:
    49 mm
  • Screen diagonal

    MIO 8870: 2.3 in smaller diagonal

    Key2:
    4.5 in
    MIO 8870:
    2.2 in
  • Rear camera layout

    Key2:
    Dual
    MIO 8870:
    Single
  • Depth

    Key2: 12.5 mm thinner

    Key2:
    8.5 mm
    MIO 8870:
    21 mm
  • Height

    MIO 8870: 41.4 mm shorter

    Key2:
    151.4 mm
    MIO 8870:
    110 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. Key2

    Height:
    151.4 mm +41.4 mm versus MIO 8870
    Width:
    71.8 mm +22.8 mm versus MIO 8870
    Depth:
    8.5 mm
  2. 2. MIO 8870

    Height:
    110 mm
    Width:
    49 mm
    Depth:
    21 mm +12.5 mm versus Key2

Weight

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

  1. 1. Key2

    168 g

    +48 g versus MIO 8870

  2. 2. MIO 8870

    120 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Key2

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    60.3 cm²
  2. 2. MIO 8870

    MIO 8870: Screen geometry unavailable or conflicting.

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 Key2, MIO 8870, compared at the same storage capacity.
StorageKey2MIO 8870
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
MIO 8870: Original memory entry

32 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. Key2

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

2. MIO 8870

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD · up to 1 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. Key2

    3500 mAh

    +2450 mAh versus MIO 8870

  2. 2. MIO 8870

    1050 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. Key22. MIO 8870

Everyday essentials
Everyday essentials — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
Dimensions (HxWxD)
  • 151.4 Х 71.8 Х 8.5 mm
  • 110 Х 49 Х 21 mm
Weight
  • 168 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 2.2" inch
Screen resolution
  • 1080 x 1620 px
  • 176 x 220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6 GB RAM
  • 32 MB
Memory card support
  • microSD
  • up to 256 GB
  • MMC/SD
  • up to 1 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Microsoft Windows Mobile 2003 SE Smartphone
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 60.0 cm2
  • 15.2 cm2
Screen format
  • 3:2 (height:width)
Unknown
Screen to body ratio
  • 55.2%
  • 28.3%
PPI /points per inch/
  • 434 PPI
  • 0 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
Rear camera, main
  • 12 MP
  • Dual
  • 0.3 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.3''
  • 1.28µm
  • dual pixel PDAF -12 MP
  • f/2.6
  • 1/3.4''
  • 1.0µm
  • PDAF
Unknown
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Unknown
Performance

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

Performance — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Intel PXA262 200 MHz
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 104256
Unknown
GeekBench 4 Single Core *
  • 1628
Unknown
GeekBench 4 Multi-Core *
  • 5894
Unknown
General specs
General specs — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
Release date
  • 2018
  • June
  • 2004
  • Q4
Colors
  • Black
  • Silver
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 500 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 100 h Talking time- Up to 4 h
Body build
  • aluminum frame (7000 series)
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by) - BBF100-6 only
  • Mini-SIM
Network
  • 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)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
  • No
USB
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 5.0
  • A2DP
  • LE
  • EDR
  • No
Harmful irradiation
  • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Animated screensavers -Color backgrounds
Other features
Other features — specifications for Key2, MIO 8870.
SpecificationKey2MIO 8870
Dop
  • 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
  • Infrared port - MP3/MP4 player -Predictive text input -Organizer -Voice memo