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  2. A1 Alpha vs Nokia N81

A1 Alpha vs Nokia N81

Compare recorded specifications, size and practical differences.

A1 Alpha

A1 Alpha

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    Nokia N81

    Nokia N81

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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.

        • WeightN81: 10 g lighterN81: 140 g · Alpha: 150 g
        • WidthN81: 25.8 mm narrowerN81: 50 mm · Alpha: 75.8 mm
        • Screen diagonalN81: 3.86 in smaller diagonalN81: 2.4 in · Alpha: 6.26 in
        • Rear camera layoutDual / SingleAlpha: Dual · N81: Single
        • DepthAlpha: 9.8 mm thinnerAlpha: 8.1 mm · N81: 17.9 mm
        • HeightN81: 49.7 mm shorterN81: 102 mm · Alpha: 151.7 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.

        Front
        Alpha: 151.7 × 75.8 mm 1 N81: 102 × 50 mm 2
        Side
        Alpha: 151.7 × 8.1 mm 1 N81: 102 × 17.9 mm 2
        1. 1. Alpha
          Height
          151.7 mm
          Width
          75.8 mm
          Depth
          8.1 mm
          Weight
          150 g
        2. 2. N81
          Height
          102 mm
          Width
          50 mm
          Depth
          17.9 mm
          Weight
          140 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
        SpecificationAlphaN81
        Dimensions (HxWxD)
        • 151.7 Х 75.8 Х 8.1 mm
        • 102 Х 50 Х 17.9 mm
        Weight
        • 150 g
        • 140 g
        Technology
        • IPS LCD
        • TFT
        Screen size
        • 6.26" inch
        • 2.4" inch
        Screen resolution
        • 720 x 1520 px
        • 240 x 320 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 32GB 2GB RAM
        • 64GB 3GB RAM
        • 12 MB
        • 96 MB RAM
        Memory card support
        • microSD
        • up to 256 GB (uses shared SIM slot)
        • microSD
        • up to 8 GB (dedicated slot)
        • 2 GB included
        BatteryCapacity is not battery life. No endurance test is implied.
        • 3200 mAh
        • Non-removable Li-Ion
        • 1050 mAh
        • Removable Li-Po
        Operating system OS
        • Android 9.0 (Pie)
        • Symbian OS 9.2
        • Series 60 v3.1 UI
        Chipset
        • Unisoc SC9863A (28nm)
        		 Unknown
        NFC
        • Yes (64/3GB model only)
        		 Unknown
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationAlphaN81
        Touchscreen
        • capacitive touchscreen
        		 Unknown
        Display colors
        • 16M
        • 16M
        Screen area
        • 97.8 cm2
        • 17.8 cm2
        Screen format
        • 19:9 (height:width)
        • 4:3 (height:width)
        Screen to body ratio
        • 82.1%
        • 35.0%
        PPI /points per inch/
        • 269 PPI
        • 167 PPI
        Camera and Video
        Camera and Video
        SpecificationAlphaN81
        Rear camera, main
        • 13 MP
        • Dual
        • 2 MP
        • Single
        Camera specs
        • 13 MP
        • f/2.0
        • AF -2 MP
        • f/2.4
        • depth sensor
        • 2 MP
        Functions
        • LED flash
        • HDR
        • LED flash
        Video
        • 1080p@30fps
        • 320p@15fps
        Front camera, selfie
        • 8 MP
        • Single
        • 0.3 MP
        • Single
        Specifications
        • 8 MP
        • f/2.0
        • CIF videocall camera
        Performance
        Performance
        SpecificationAlphaN81
        Processor CPU
        • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
        • 369 MHz ARM 11
        Graphics processor GPU
        • IMG8322
        		 Unknown
        General specs
        General specs
        SpecificationAlphaN81
        Release date
        • 2019
        • August
        • 2007
        • August
        Colors
        • Black
        • Green
        • Cobalt blue
        • Graphite Grey
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 150 EUR
        • 200 EUR
        Battery life Unknown
        • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
        Communication and Connectivity
        Communication and Connectivity
        SpecificationAlphaN81
        SIM card
        • Hybrid Dual SIM (Nano-SIM
        • dual stand-by)
        • Mini-SIM
        Network
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
        • 3(1800)
        • 5(850)
        • 7(2600)
        • 8(900)
        • 20(800)
        • 38(2600)
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
        Speed
        • HSPA 42.2/5.76 Mbps
        • LTE Cat4 150/50 Mbps
        • Yes
        • 384 kbps
        GPRS
        • Yes
        • Class 10
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi Direct
        • hotspot
        • Wi-Fi 802.11b/g with UPnP
        GPS
        • Yes
        • with A-GPS
        • GLONASS
        • No
        USB
        • microUSB 2.0
        • USB On-The-Go
        • microUSB 2.0
        Bluetooth
        • 4.2
        • A2DP
        • LE
        • 2.0
        • A2DP
        Harmful irradiation Unknown
        • SAR - 0.73 W/kg (head) 0.60 W/kg (body) SAR EU - 0.81 W/kg (head)
        Music and Audio
        Music and Audio
        SpecificationAlphaN81
        Radio
        • FM radio
        • Stereo FM radio
        Others
        • Active noise cancellation with dedicated mic
        • Touch-sensitive Navi wheel
        Other features
        Other features
        SpecificationAlphaN81
        Dop
        • Sensors Fingerprint (rear-mounted)
        • accelerometer
        • gyro
        • proximity
        • compass
        • MP3/AAC/MP4 player -Predictive text input -Push to talk -Voice dial/memo -Organizer

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