Siemens SX66 vs Xiaomi Mi Mix 3

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

    SX66: 8 g lighter

    SX66:
    210 g
    Mi Mix 3:
    218 g
  • Width

    SX66: 3.7 mm narrower

    SX66:
    71 mm
    Mi Mix 3:
    74.7 mm
  • Screen diagonal

    SX66: 2.89 in smaller diagonal

    SX66:
    3.5 in
    Mi Mix 3:
    6.39 in
  • Depth

    Mi Mix 3: 9.5 mm thinner

    SX66:
    18 mm
    Mi Mix 3:
    8.5 mm
  • Height

    SX66: 32.9 mm shorter

    SX66:
    125 mm
    Mi Mix 3:
    157.9 mm
  • Release year

    SX66:
    2004
    Mi Mix 3:
    2018

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. SX66

    Height:
    125 mm
    Width:
    71 mm
    Depth:
    18 mm +9.5 mm versus Mi Mix 3
  2. 2. Mi Mix 3

    Height:
    157.9 mm +32.9 mm versus SX66
    Width:
    74.7 mm +3.7 mm versus SX66
    Depth:
    8.5 mm

Weight

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

  1. 1. SX66

    210 g

  2. 2. Mi Mix 3

    218 g

    +8 g versus SX66

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. SX66

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²
  2. 2. Mi Mix 3

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

Mi Mix 3 has approximately 164.2% more rectangular screen area than SX66.

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.

SX66: Original memory entry

128 MB RAM

Mi Mix 3: Original memory entry

256 GB · 8/10 GB RAM 128 GB · 6/8 GB RAM

Practical features

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

1. SX66

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/MMC

2. Mi Mix 3

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. SX662. Mi Mix 3

Everyday essentials
Everyday essentials — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
Dimensions (HxWxD)
  • 125 Х 71 Х 18 mm
  • 157.9 Х 74.7 Х 8.5 mm
Weight
  • 210 g
  • 218 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.39" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 GB
  • 8/10 GB RAM 128 GB
  • 6/8 GB RAM
Memory card support
  • SDIO/MMC
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 3200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 37.9 cm2
  • 100.2 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 42.7%
  • 85.0%
PPI /points per inch/
  • 114 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
Rear camera, main
  • 0 MP,
  • 12 MP
  • Dual
Camera specs Unknown
  • 12 MP (wide)
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • 4-axis OIS -12 MP (telephoto)
  • 1/3.4''
  • 1.0µm
Functions Unknown
  • LED flash
  • HDR
Video Unknown
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 24 MP
  • Dual
Specifications Unknown
  • Mechanical pop-up 24 MP
  • 1/2.8''
  • 0.9µm Mechanical pop-up 2 MP
  • depth sensor
DxOMark Main Score * Unknown
  • 103
DxOMark Photo * Unknown
  • 83
DxOMark Video * Unknown
  • 85
DxOMark Selfie Score * Unknown
  • 84
Performance

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

Performance — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
Processor CPU
  • Intel Xscale PXA272 520 MHz
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
Antutu 7 score * Unknown
  • 296026
GeekBench 4 Single Core * Unknown
  • 2127
GeekBench 4 Multi-Core * Unknown
  • 8340
Antutu 8 score * Unknown
  • 350208
GeekBench 5 Single Core * Unknown
  • 448
GeekBench 5 Multi-Core * Unknown
  • 2004
General specs
General specs — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
Release date
  • 2004
  • Q4
  • 2018
  • October
Colors
  • Silver
  • Jade Green
  • Sapphire Blue
  • Onyx Black
  • Forbidden City Blue (10 GB only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 560 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Front glass
  • aluminum frame (7000 series)
  • ceramic back
Communication and Connectivity
Communication and Connectivity — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - Global CDMA2000 1xEV-DO HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - China -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 30(2300)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) - Global LTE band 1(2100)
  • 41(2500) - China
Speed Unknown
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • Proprietary
  • Type-C 1.0 reversible connector
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • aptX HD
  • LE
Music and Audio
Music and Audio — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
Radio
  • No
  • No
Others
  • Downloadable logos
  • HDR
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for SX66, Mi Mix 3.
SpecificationSX66Mi Mix 3
Dop
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 4.0+) -Wireless charging