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Nokia E51 vs Siemens SX66

Compare recorded specifications, size and practical differences.

Nokia E51

Nokia E51

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Siemens SX66

Siemens SX66

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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.

  • WeightE51: 110 g lighterE51: 100 g · SX66: 210 g
  • WidthE51: 25 mm narrowerE51: 46 mm · SX66: 71 mm
  • Screen diagonalE51: 1.5 in smaller diagonalE51: 2 in · SX66: 3.5 in
  • DepthE51: 6 mm thinnerE51: 12 mm · SX66: 18 mm
  • HeightE51: 10.2 mm shorterE51: 114.8 mm · SX66: 125 mm
  • Release year2007 / 2004E51: 2007 · 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.

Front
E51: 114.8 × 46 mm 1 SX66: 125 × 71 mm 2
Side
E51: 114.8 × 12 mm 1 SX66: 125 × 18 mm 2
  1. 1. E51
    Height
    114.8 mm
    Width
    46 mm
    Depth
    12 mm
    Weight
    100 g
  2. 2. SX66
    Height
    125 mm+10.2 mm versus E51
    Width
    71 mm+25 mm versus E51
    Depth
    18 mm+6 mm versus E51
    Weight
    210 g
Weight

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

  1. 1. E51100 g
  2. 2. SX66210 g

    +110 g versus E51

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.

Screen size
E51: 2 in, 4:3, About 12.4 cm² rectangular area 1 SX66: 3.5 in, 4:3, About 37.9 cm² rectangular area 2
  1. 1. E51 2 in · 4:3 About 12.4 cm² rectangular area
  2. 2. SX66 3.5 in · 4:3 About 37.9 cm² rectangular area

SX66 has approximately 206.2% more rectangular screen area than E51.

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.

E51: Original memory entry

130 MB · 96 MB RAM

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. E51

NFC
Unknown
Headphone jack
No
Memory card support
See details microSD · up to 16 GB (dedicated 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. E512. SX66

Everyday essentials
Everyday essentials
SpecificationE51SX66
Dimensions (HxWxD)
  • 114.8 Х 46 Х 12 mm
  • 125 Х 71 Х 18 mm
Weight
  • 100 g
  • 210 g
Technology
  • TFT
  • TFT
Screen size
  • 2" inch
  • 3.5" inch
Screen resolution
  • 240 x 320 px
  • 240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 130 MB
  • 96 MB RAM
  • 128 MB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • SDIO/MMC
BatteryCapacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Microsoft Windows Mobile 2003 SE PocketPC
Headphone jack
  • No
  • No
Display
Display
SpecificationE51SX66
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 12.4 cm2
  • 37.9 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 23.5%
  • 42.7%
PPI /points per inch/
  • 200 PPI
  • 114 PPI
Camera and Video
Camera and Video
SpecificationE51SX66
Rear camera, main
  • 2 MP
  • Single
  • 0 MP,
Camera specs
  • 2 MP
Unknown
Video
  • 320p@15fps
Unknown
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance
SpecificationE51SX66
Processor CPU
  • 369 MHz ARM 11
  • Intel Xscale PXA272 520 MHz
General specs
General specs
SpecificationE51SX66
Release date
  • 2007
  • September
  • 2004
  • Q4
Colors
  • Black
  • Silver
  • Silver
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
Unknown
Battery life
  • Stand by time- Up to 310 h Talking time- Up to 4 h 20 min
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity
SpecificationE51SX66
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 3.6/0.384 Mbps
Unknown
GPRS
  • Class 32
  • Class 10
Edge
  • Class 32
  • No
Wi-Fi
  • Wi-Fi 802.11b/g
  • VoIP over WLAN
  • Wi-Fi 802.11b
GPS
  • No
  • No
USB
  • miniUSB 2.0
  • Proprietary
Bluetooth
  • 2.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head)
Unknown
Music and Audio
Music and Audio
SpecificationE51SX66
Radio
  • FM radio
  • No
Others
  • Five-way scroll key -Downloadable themes
  • 2.5 mm audio jack
  • Downloadable logos
Other features
Other features
SpecificationE51SX66
Dop
  • Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input