Siemens SX66
The Siemens SX66 is a budget-focused device, built for basic everyday tasks (2004).
2004 · Entry-level · Microsoft Windows Mobile 2003 SE PocketPCⓘ Grades compare this device against others in its own market segment (Budget), not against every device on the site.
⚡ Quick Specs
Size3.5" · 125 x 71 x 18 mm (4.92 x 2.80 x 0.71 in)
RAM128MB
Storage128MB
⚖️ Compare With
✓︎ Pros
✓128GB of RAM — plenty for heavy multitasking and keeping many apps open
⊗ Cons
✗Basic its chipset for simple tasks only
✗Lower-resolution 114 PPI screen — visible pixels on close inspection
✗No headphone jack — requires wireless or USB-C audio
⚠️ Not ideal for
GamingMultitaskingMedia consumption
⚙️ Performance
CPU
Intel Xscale PXA272 520 MHz
OS
Microsoft Windows Mobile 2003 SE PocketPC
RAM
128MB
Heavy multitasking without slowdowns
💻 Display
Sharpness
114 ppi
Pixels visible at normal viewing distance
Panel
TFT resistive touchscreen, 65K colors
Standard LCD display
📱 Design & Build
Weight
210g
On the heavier side — noticeable in pocket
Dimensions
125 x 71 x 18 mm (4.92 x 2.80 x 0.71 in)
📶 Network
2G Bands
GSM 850 / 900 / 1800 / 1900
❓ Frequently Asked Questions
No, the Siemens SX66 does not support 5G — it supports GSM.
Yes, the Siemens SX66 supports SDIO expandable storage.
The Siemens SX66 SIM configuration: Mini-SIM.
No, the Siemens SX66 does not have a 3.5mm headphone jack.
Speaker setup: Yes.
The Siemens SX66 uses Proprietary.
The Siemens SX66 supports Wi-Fi 802.11b.
The Siemens SX66 has Yes.
