Energizer Ultimate U620S vs Siemens SX66

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.

  • Width

    SX66: 4.5 mm narrower

    Ultimate U620S:
    75.5 mm
    SX66:
    71 mm
  • Screen diagonal

    SX66: 2.7 in smaller diagonal

    Ultimate U620S:
    6.2 in
    SX66:
    3.5 in
  • Depth

    Ultimate U620S: 9.7 mm thinner

    Ultimate U620S:
    8.3 mm
    SX66:
    18 mm
  • Height

    SX66: 30.8 mm shorter

    Ultimate U620S:
    155.8 mm
    SX66:
    125 mm
  • Release year

    Ultimate U620S:
    2019
    SX66:
    2004

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. Ultimate U620S

    Height:
    155.8 mm +30.8 mm versus SX66
    Width:
    75.5 mm +4.5 mm versus SX66
    Depth:
    8.3 mm
    Weight:
    Unknown
  2. 2. SX66

    Height:
    125 mm
    Width:
    71 mm
    Depth:
    18 mm +9.7 mm versus Ultimate U620S
    Weight:
    210 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. Ultimate U620S

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    97.6 cm²
  2. 2. SX66

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

Ultimate U620S has approximately 157.2% 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.

Ultimate U620S: Original memory entry

64 GB · 512GB 4GB

SX66: Original memory entry

128 MB 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. Ultimate U620S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. SX66

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

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. Ultimate U620S2. SX66

Everyday essentials
Everyday essentials — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
Dimensions (HxWxD)
  • 155.8 Х 75.5 Х 8.3 mm
  • 125 Х 71 Х 18 mm
Weight
  • 0 g
  • 210 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 3.5" inch
Screen resolution
  • 720 x 1520 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 128 MB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • SDIO/MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Mobile 2003 SE PocketPC
Chipset
  • Mediatek MT6765 Helio P35 (12nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.6 cm2
  • 37.9 cm2
Screen format
  • 18.5:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.9%
  • 42.7%
PPI /points per inch/
  • 265 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
Rear camera, main
  • 16 MP
  • Triple
  • 0 MP,
Camera specs
  • 16 MP
  • PDAF -2 MP -VGA
  • depth sensor
Unknown
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Unknown
Video
  • 1080p
Unknown
Front camera, selfie
  • 16 MP
  • Single
  • 0 MP,
Specifications
  • 16 MP
Unknown
Performance
Performance — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Intel Xscale PXA272 520 MHz
Graphics processor GPU
  • PowerVR GE8320
Unknown
General specs
General specs — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
Release date
  • 2019
  • January
  • 2004
  • Q4
Colors
  • Aurora Red
  • Aurora Blue
  • Silver
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
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)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA
  • LTE-A
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 5.0
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Downloadable logos
Other features
Other features — specifications for Ultimate U620S, SX66.
SpecificationUltimate U620SSX66
Dop
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input