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Amoi E78 vs BlackBerry Key2

Compare recorded specifications, size and practical differences.

Amoi E78

Amoi E78

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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.

  • WeightE78: 18 g lighterE78: 150 g · Key2: 168 g
  • WidthE78: 10.8 mm narrowerE78: 61 mm · Key2: 71.8 mm
  • Screen diagonalE78: 2.04 in smaller diagonalE78: 2.46 in · Key2: 4.5 in
  • Rear camera layoutSingle / DualE78: Single · Key2: Dual
  • DepthKey2: 4.2 mm thinnerKey2: 8.5 mm · E78: 12.7 mm
  • HeightE78: 36.4 mm shorterE78: 115 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.

Front
E78: 115 × 61 mm 1 Key2: 151.4 × 71.8 mm 2
Side
E78: 115 × 12.7 mm 1 Key2: 151.4 × 8.5 mm 2
  1. 1. E78
    Height
    115 mm
    Width
    61 mm
    Depth
    12.7 mm
    Weight
    150 g
  2. 2. Key2
    Height
    151.4 mm
    Width
    71.8 mm
    Depth
    8.5 mm
    Weight
    168 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
SpecificationE78Key2
Dimensions (HxWxD)
  • 115 Х 61 Х 12.7 mm
  • 151.4 Х 71.8 Х 8.5 mm
Weight
  • 150 g
  • 168 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.46" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1620 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 8.1 (Oreo)
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • panorama
  • Yes
Display
Display
SpecificationE78Key2
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 18.7 cm2
  • 60.0 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 26.7%
  • 55.2%
PPI /points per inch/
  • 163 PPI
  • 434 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video
SpecificationE78Key2
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 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 Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance
Performance
SpecificationE78Key2
Processor CPU
  • Super AMOLED
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • Adreno 512
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 104256
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1628
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 5894
General specs
General specs
SpecificationE78Key2
Release date
  • 2007
  • 2018
  • June
Colors
  • Black
  • Black
  • Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 500 EUR
Body build Unknown
  • aluminum frame (7000 series)
  • plastic back
Communication and Connectivity
Communication and Connectivity
SpecificationE78Key2
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
  • Super AMOLED
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
USB
  • panorama
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • A2DP
  • 5.0
  • A2DP
  • LE
  • EDR
Harmful irradiation Unknown
  • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio
SpecificationE78Key2
Radio
  • panorama
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features
SpecificationE78Key2
Dop
  • File transfer -Organizer -Task synchronizing -Pocket Office
  • 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

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