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  2. BlackBerry Key2 vs Oppo A91

BlackBerry Key2 vs Oppo A91

Compare recorded specifications, size and practical differences.

Oppo A91

Oppo A91

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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.

      • Display technologyOLED versus LCDKey2: LCD · A91: OLED
      • WidthKey2: 1.5 mm narrowerKey2: 71.8 mm · A91: 73.3 mm
      • Screen diagonalKey2: 1.9 in smaller diagonalKey2: 4.5 in · A91: 6.4 in
      • Memory variantsAt 128 GB storageKey2: 6 GB RAM · A91: 8 GB RAM
      • ChipsetQualcomm SDM660 Snapdragon 660 (14 nm) / Mediatek MT6771V Helio P70 (12nm)Key2: Qualcomm SDM660 Snapdragon 660 (14 nm) · A91: Mediatek MT6771V Helio P70 (12nm)
      • Rear camera layoutDual / QuadKey2: Dual · A91: Quad

      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.

      Front
      Key2: 151.4 × 71.8 mm 1 A91: 160.2 × 73.3 mm 2
      Side
      Key2: 151.4 × 8.5 mm 1 A91: 160.2 × 7.9 mm 2
      1. 1. Key2
        Height
        151.4 mm
        Width
        71.8 mm
        Depth
        8.5 mm
        Weight
        168 g
      2. 2. A91
        Height
        160.2 mm
        Width
        73.3 mm
        Depth
        7.9 mm
        Weight
        172 g

      Specifications

      Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

      Everyday essentials
      Everyday essentials
      SpecificationKey2A91
      Dimensions (HxWxD)
      • 151.4 Х 71.8 Х 8.5 mm
      • 160.2 Х 73.3 Х 7.9 mm
      Weight
      • 168 g
      • 172 g
      Technology
      • IPS LCD
      • AMOLED
      Screen size
      • 4.5" inch
      • 6.4" inch
      Screen resolution
      • 1080 x 1620 px
      • 1080 x 2400 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 64/128 GB
      • 6 GB RAM
      • 128GB 8GB RAM
      Memory card support
      • microSD
      • up to 256 GB
      • microSD
      • up to 256 GB (dedicated slot)
      BatteryCapacity is not battery life. No endurance test is implied.
      • 3500 mAh
      • Non-removable Li-Ion
      • 4025 mAh
      • Non-removable Li-Po
      Operating system OS
      • Android 8.1 (Oreo)
      • Android 9.0 (Pie); ColorOS 6.1
      Chipset
      • Qualcomm SDM660 Snapdragon 660 (14 nm)
      • Mediatek MT6771V Helio P70 (12nm)
      NFC
      • Yes
      		 Unknown
      Headphone jack
      • Yes
      • Yes
      Display
      Display
      SpecificationKey2A91
      Touchscreen
      • capacitive touchscreen
      • capacitive touchscreen
      Display colors
      • 16M
      • 16M
      Screen area
      • 60.0 cm2
      • 100.4 cm2
      Screen format
      • 3:2 (height:width)
      • 20:9 (height:width)
      Screen to body ratio
      • 55.2%
      • 85.5%
      PPI /points per inch/
      • 434 PPI
      • 408 PPI
      Screen protection
      • Corning Gorilla Glass 3
      • Corning Gorilla Glass 5
      Camera and Video
      Camera and Video
      SpecificationKey2A91
      Rear camera, main
      • 12 MP
      • Dual
      • 48 MP
      • Quad
      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
      • 48 MP
      • f/1.8
      • 26mm (wide)
      • 1/2.0"
      • 0.8µm
      • PDAF -8 MP
      • f/2.2
      • 13mm (ultrawide)
      • 1/4.0"
      • 1.12µm -2 MP B/W
      • f/2.4
      • 1/5.0"
      • 1.75µm -2 MP
      • 1.75µm
      • depth sensor
      Functions
      • Dual-LED dual-tone flash
      • HDR
      • panorama
      • HDR
      Video
      • 1080p@30fps
      • 1080p@30fps
      Front camera, selfie
      • 8 MP
      • Single
      • 16 MP
      • Single
      Specifications
      • 8 MP
      • f/2.0
      • 1/4''
      • 1.12µm
      • 16 MP
      • f/2.0
      • 26mm (wide)
      • 1/3.1''
      • 1.0µm
      Performance
      Performance
      SpecificationKey2A91
      Processor CPU
      • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
      • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
      Graphics processor GPU
      • Adreno 512
      • Mali-G72 MP3
      Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 104256
      • 135756
      GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 1628
      		 Unknown
      GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 5894
      		 Unknown
      General specs
      General specs
      SpecificationKey2A91
      Release date
      • 2018
      • June
      • 2019
      • December
      Colors
      • Black
      • Silver
      • Dark Blue
      • Red
      • Blue
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 500 EUR
      • 260 EUR
      Body build
      • aluminum frame (7000 series)
      • plastic back
      • Glass front (Gorilla Glass 5)
      • plastic back
      • plastic frame
      Communication and Connectivity
      Communication and Connectivity
      SpecificationKey2A91
      SIM card
      • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
      • dual stand-by) - BBF100-6 only
      • Dual SIM (Nano-SIM
      • dual stand-by)
      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)
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
      • 3(1800)
      • 4(1700/2100)
      • 5(850)
      • 8(900)
      • 34(2000)
      • 38(2600)
      • 39(1900)
      • 40(2300)
      • 41(2500)
      Speed
      • HSPA 42.2/5.76 Mbps
      • LTE-A (3CA) Cat11 600/75 Mbps
      • HSPA 42.2/11.5 Mbps
      • LTE-A
      GPRS
      • Yes
      • Yes
      Edge
      • Yes
      • Yes
      Wi-Fi
      • Wi-Fi 802.11 a/b/g/n/ac
      • dual-band
      • WiFi Direct
      • hotspot
      • Wi-Fi 802.11 a/b/g/n/ac/ax
      • dual-band
      • Wi-Fi Direct
      • hotspot
      GPS
      • Yes
      • with A-GPS
      • GLONASS
      • BDS2
      • Yes
      • with A-GPS
      • GLONASS
      • BDS
      USB
      • 3.0
      • Type-C 1.0 reversible connector
      • USB On-The-Go
      • 2.0
      • Type-C 1.0 reversible connector
      • USB On-The-Go
      Bluetooth
      • 5.0
      • A2DP
      • LE
      • EDR
      • 4.2
      • A2DP
      • LE
      Harmful irradiation
      • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
      		 Unknown
      Music and Audio
      Music and Audio
      SpecificationKey2A91
      Radio
      • FM radio
      • FM radio
      Others
      • Active noise cancellation with dedicated mic
      • 430 nits typ. brightness
      • Active noise cancellation with dedicated mic
      Other features
      Other features
      SpecificationKey2A91
      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
      • Sensors Fingerprint (under display
      • optical)
      • accelerometer
      • gyro
      • proximity
      • compass - Fast charging 20W
      • 50% in 30 min -VOOC 3.0

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