Home/Siemens/Siemens SX66 vs Sonim XP3plus
Siemens SX66

Siemens SX66

#11273
Sonim XP3plus

Sonim XP3plus

#6120

Category Breakdown

Siemens SX66
Sonim XP3plus
Performance
31.363.9
Camera
2.52.5
Display
9.527.2
Battery
1.620.8
Build
0.20.2
Connectivity
11.953.9
Audio
8.98.9
Overall
6.425.1

Summary

  • The Siemens SX66, released in 2004, features a 3.5-inch TFT resistive touchscreen with a resolution of 240 x 320 pixels, while the Sonim XP3plus, launched in 2021, has a smaller 2.8-inch TFT LCD display with the same resolution but a higher pixel density.
  • In terms of performance, the SX66 is powered by a 520 MHz Intel Xscale CPU and has 128MB of RAM, whereas the XP3plus utilizes a more advanced Qualcomm Snapdragon 662 octa-core processor with 16GB of RAM, providing significantly better performance.
  • The camera on the SX66 is non-existent, while the XP3plus includes an 8MP rear camera, enhancing its photographic capabilities.
  • Battery-wise, the SX66 lacks a specified capacity, while the XP3plus has a 2300mAh battery, offering longer usage.
  • The SX66 runs on Microsoft Windows Mobile 2003 SE, whereas the XP3plus operates on Sonim OS based on Android 11, providing a more modern software experience.
  • Build quality is comparable, with the SX66 measuring 125 x 71 x 18 mm and weighing 210g, while the XP3plus is slightly smaller at 116 x 60 x 28 mm and weighs 220g.

Side-by-side Specification Comparison

Siemens SX66
Sonim XP3plus

General

Release Date

2004
2021

Announced

2004
2021

Description

N/A
N/A

Display

Size

3.5"
2.8"

Type

TFT resistive touchscreen, 65K colors
TFT LCD

Resolution

240 x 320 pixels, 4:3 ratio (~114 ppi density)
240 x 320 pixels, 4:3 ratio (~143 ppi density)

PPI

240
240

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
N/A

Performance

Chipset

N/A
Qualcomm SM6115 Snapdragon 662 (11 nm)

CPU

Intel Xscale PXA272 520 MHz
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

GPU

N/A
Adreno 610

Memory

128MB RAM
16GB 2GB RAM

Expandable Storage

Card Slot

SDIO/MMC
microSDXC (dedicated slot)

Camera

Main Camera

N/A
8 MP

Main Camera Features

N/A
LED flash

Front Camera

N/A
N/A

Front Camera Features

N/A
N/A

Video Recording

N/A
N/A

Selfie Video

N/A
N/A

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

N/A
2300 mAh

Battery Details

Removable Li-Ion battery
Li-Ion 2300 mAh, removable

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

125 x 71 x 18 mm (4.92 x 2.80 x 0.71 in)
116 x 60 x 28 mm (4.57 x 2.36 x 1.10 in)

Weight

210 g
220 g

Materials

N/A
N/A

Colors

Silver
Black

Foldable

SAR

N/A
N/A

Connectivity

SIM

Mini-SIM
Nano-SIM

Network

GSM
GSM / HSPA / LTE

Network Speed

N/A
HSPA, LTE

5G

4G

WiFi

Wi-Fi 802.11b
Wi-Fi 802.11 a/b/g/n/ac, dual-band

Bluetooth

Yes
5.0, A2DP, LE

NFC

USB

Proprietary
USB Type-C

IR Blaster

Headphone Jack

Radio

Positioning

No
GPS, GLONASS, GALILEO

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

No
Yes

Software & Security

Operating System

Microsoft Windows Mobile 2003 SE PocketPC
Sonim OS (based on AOSP Android 11)

Fingerprint

Face Unlock

Sensors

N/A
Accelerometer, barometer