Cyrix III

Cyrix III

Cyrix III (500 MHz)
General information
Launched	February 2000
Discontinued	Early 2001
Common manufacturer	National Semiconductor
Performance
Max. CPU clock rate	350 MHz to 800 MHz
FSB speeds	100 MHz to 133 MHz
Cache
L1 cache	64 KiB instruction + 64 KiB data
L2 cache	64 KiB exclusive (C5B)
Architecture and classification
Technology node	0.18 μm to 0.15 μm
Instruction set	x86-16, IA-32
Extensions	MMX 3DNow!
Physical specifications
Transistors	11 million (C5A), 15 million (C5B)
Cores	1
Socket	Socket 370
Products, models, variants
Core names	Joshua Samuel (C5A) Samuel 2 (C5B)
History
Predecessor	WinChip
Successor	VIA C3

Cyrix III is an x86-compatible Socket 370 CPU. VIA Technologies launched the processor in February 2000. VIA had purchased both Centaur Technology and Cyrix. Cyrix III was to be based upon a core from one of the two companies.