Intel Core Solo (Yonah)

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The Intel Core Solo is the successor to the Pentium M processor. The chip uses Intel's 65 nm process (compared to 90 nm for the Pentium M). The Intel Core processors feature a 667 MHz FSB and are shipped as part of the Napa Centrino platform.


  • 1.2 - 1.66 GHz clock speed
  • 667 MHz FSB; 533 MHz for ULV CPU
  • 5.5 (ultra low voltage) or 27 (normal voltage) watt thermal design power consumption
  • 151 Million Transistors
  • 65 nm process
  • 2 MB L2-Cache
  • Enhanced Intel SpeedStep (EIST), power states: normal (C0), AutoHALT/MWAIT (C1), Stop Grant (C2), Deep Sleep (C3), Deeper Sleep (C4)
  • MMX, SSE, SSE2, SSE3 instruction sets, XD-Bit

Available Types and ThinkPads featuring them

Nr. Frequency (MHz) FSB (MHz) XD-Bit core Voltage (V) TDP (W) ThinkPad Models
max. min. high low high low
Intel Core Solo
T1300 1666 1000 667 yes 1.2 ... 27 13.1 X60, T60
U1400 1200 800 533 yes 1.1 ... 5.5 5 X60 Tablet

Thermal Specifications

The maximum temperature for safe operation is 100 °C.

GCC Optimization Flags

Safe, recommended optimizations for GCC 3.4.x and later:

-pipe -O2 -march=prescott -fomit-frame-pointer

Possibly unsafe optimizations for GCC 3.3.x and later:


Optimizations likely to break binary-only compatibility:


See also

Intel Core Duo (Yonah)