Up for sale is a very rare Cyrix 5x86-120GP processor. The Cyrix 5x86 is one of the fastest processors compatible with 486-based systems. At 120Mhz, the Cyrix 5x86-120GP beats its two main competitors, the AMD 5x86-133 and Pentium Overdrive PODP5V83, in integer performance. In floating point performance, the Cyrix 5x86 beats the AMD 5x86-133, while remaining very competitive with the Pentium Overdrive PODP5V83.
The chip has been tested, and is guaranteed to function properly. Please note that this CPU will require a voltage interposer to work in Socket 1 and Socket 2 systems. Socket 3 systems do not require an interposer. If you need help identifying whether your motherboard is Socket 1, Socket 2, or Socket 3, feel free to ask me.