Siemens SX66 vs Xiaomi Mi 9 Explorer

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

    Mi 9 Explorer: 37 g lighter

    SX66:
    210 g
    Mi 9 Explorer:
    173 g
  • Width

    SX66: 3.7 mm narrower

    SX66:
    71 mm
    Mi 9 Explorer:
    74.7 mm
  • Screen diagonal

    SX66: 2.89 in smaller diagonal

    SX66:
    3.5 in
    Mi 9 Explorer:
    6.39 in
  • Depth

    Mi 9 Explorer: 10.4 mm thinner

    SX66:
    18 mm
    Mi 9 Explorer:
    7.6 mm
  • Height

    SX66: 32.5 mm shorter

    SX66:
    125 mm
    Mi 9 Explorer:
    157.5 mm
  • Release year

    SX66:
    2004
    Mi 9 Explorer:
    2019

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 +10.4 mm versus Mi 9 Explorer
  2. 2. Mi 9 Explorer

    Height:
    157.5 mm +32.5 mm versus SX66
    Width:
    74.7 mm +3.7 mm versus SX66
    Depth:
    7.6 mm

Weight

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

  1. 1. SX66

    210 g

    +37 g versus Mi 9 Explorer

  2. 2. Mi 9 Explorer

    173 g

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 9 Explorer

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

Mi 9 Explorer 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 9 Explorer: Original memory entry

256 GB · 8/12 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 9 Explorer

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 9 Explorer

Everyday essentials
Everyday essentials — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
Dimensions (HxWxD)
  • 125 Х 71 Х 18 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 210 g
  • 173 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
  • 8/12 GB RAM
Memory card support
  • SDIO/MMC
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 2003 SE PocketPC
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
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%
  • 85.2%
PPI /points per inch/
  • 114 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
Rear camera, main
  • 0 MP,
  • 48 MP
  • Triple
Camera specs Unknown
  • 48 MP
  • f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model)
  • (wide)
  • 1/2"
  • 0.8µm
  • PDAF
  • Laser AF - 12 MP
  • f/2.2
  • 54mm (telephoto)
  • 1/3.6"
  • 1.0µm
  • laser AF
  • 2x optical zoom - 16 MP
  • 13mm (ultrawide)
  • 1/3.0"
Functions Unknown
  • HDR
Video Unknown
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 20 MP
  • Single
Specifications Unknown
  • 20 MP
  • f/2.0
  • 0.9μm
Performance
Performance — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
Processor CPU
  • Intel Xscale PXA272 520 MHz
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU Unknown
  • Adreno 640
General specs
General specs — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
Release date
  • 2004
  • Q4
  • 2019
  • February
Colors
  • Silver
  • Transparent Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 530 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Unknown
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
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 & TD-SCDMA -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)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed Unknown
  • HSPA
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • Proprietary
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
Radio
  • No
  • No
Others
  • Downloadable logos
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for SX66, Mi 9 Explorer.
SpecificationSX66Mi 9 Explorer
Dop
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W - Also known as Xiaomi Mi 9 Transparent Edition