Samsung i780 vs Xiaomi Mi A2 (Mi 6X)

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

    i780: 46 g lighter

    i780:
    120 g
    Mi A2 (Mi 6X):
    166 g
  • Width

    i780: 14.1 mm narrower

    i780:
    61.3 mm
    Mi A2 (Mi 6X):
    75.4 mm
  • Screen diagonal

    i780: 3.44 in smaller diagonal

    i780:
    2.55 in
    Mi A2 (Mi 6X):
    5.99 in
  • Rear camera layout

    i780:
    Single
    Mi A2 (Mi 6X):
    Dual
  • Depth

    Mi A2 (Mi 6X): 5.6 mm thinner

    i780:
    12.9 mm
    Mi A2 (Mi 6X):
    7.3 mm
  • Height

    i780: 42.8 mm shorter

    i780:
    115.9 mm
    Mi A2 (Mi 6X):
    158.7 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.

  1. 1. i780

    Height:
    115.9 mm
    Width:
    61.3 mm
    Depth:
    12.9 mm +5.6 mm versus Mi A2 (Mi 6X)
  2. 2. Mi A2 (Mi 6X)

    Height:
    158.7 mm +42.8 mm versus i780
    Width:
    75.4 mm +14.1 mm versus i780
    Depth:
    7.3 mm

Weight

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

  1. 1. i780

    120 g

  2. 2. Mi A2 (Mi 6X)

    166 g

    +46 g versus i780

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. i780

    Screen diagonal:
    2.55 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    21 cm²
  2. 2. Mi A2 (Mi 6X)

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Mi A2 (Mi 6X) has approximately 341.4% more rectangular screen area than i780.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

i780: Original memory entry

128 MB RAM · 256 MB ROM

Mi A2 (Mi 6X): Original memory entry

128 GB · 6 GB RAM 32/64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. i780

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. Mi A2 (Mi 6X)

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

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. i780

    1480 mAh

  2. 2. Mi A2 (Mi 6X)

    3000 mAh

    +1520 mAh versus i780

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. i7802. Mi A2 (Mi 6X)

Everyday essentials
Everyday essentials — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
Dimensions (HxWxD)
  • 115.9 Х 61.3 Х 12.9 mm
  • 158.7 Х 75.4 Х 7.3 mm
Weight
  • 120 g
  • 166 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 2.55" inch
  • 5.99" inch
Screen resolution
  • 320 x 320 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 128 GB
  • 6 GB RAM 32/64 GB
  • 512GB 4GB
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1480 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); Android One
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • No
  • No
Display
Display — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 21.0 cm2
  • 92.6 cm2
Screen format
  • 1:1 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 29.5%
  • 77.4%
PPI /points per inch/
  • 177 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 12 MP
  • f/1.8
  • 1/2.9''
  • 1.25µm -20 MP
  • 1/2.8''
  • 1.0µm
  • PDAF
Functions Unknown
  • LED flash
  • Auto-HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • VGA videocall camera
  • 20 MP
  • f/2.2
  • 1/2.8''
  • 1.0µm
Performance

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

Performance — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
Processor CPU
  • 32-bit Marvell PXA310 624 MHz
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • Adreno 512
Antutu 7 score * Unknown
  • 133905
Antutu 8 score * Unknown
  • 161030
GeekBench 5 Single Core * Unknown
  • 332
GeekBench 5 Multi-Core * Unknown
  • 1290
General specs
General specs — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
Release date
  • 2007
  • September
  • 2018
  • July
Colors
  • Black
  • Black
  • Gold
  • Blue
  • Red
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 190 EUR
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 1900 / 2100 - China -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.48 W/kg (head) 0.73 W/kg (body) SAR EU - 0.51 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
Radio
  • No
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for i780, Mi A2 (Mi 6X).
Specificationi780Mi A2 (Mi 6X)
Dop
  • Pocket Office -Voice memo -Callia Player
  • Callia Reader -Photo Slides -SmartConverter -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Optical trackpad
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W (Quick Charge 3.0) -Fast battery charging (Quick Charge 4.0) India only - Versions: Mi A2 (Global); Mi 6X (China)