Core details	Duron	Duron	Duron
Development name	Spitfire	Morgan	Applebred
Construction size (nm)	180	180	130
Transistor count (millions)	25	25.2	25.2
Number of processor cores	1	1	1
Registers - ALU (bits)	32	32	32
Registers - FPU (bits)	80 (128 Ext)	80 (128 Ext)	80 (128 Ext)
Connection Type	Socket A	Socket A	Socket A
Model Details
Name / Core speed (MHz)	550	900	1400
	600	950	1600
	650	1000	1800
	700	1100
	750	1200
	800	1300
	850
	900
FSB Details
CLK speed (MHz)	100	100	133
Data transfer rate (MHz)	200	200	266
Total bus width (bits)	64	64	64
Maximum bandwidth (GB/sec)	1.60	1.60	2.13
Cache details
L1 amount (KiB)	128	128	128
L1 location	on-die	on-die	on-die
L1 instruction cache size (KiB)	64	64	64
L1 data cache size (KiB)	64	64	64
L2 amount (KiB)	64	64	64
L2 location	on-die	on-die	on-die
L2 bus width (bits)	64	64	64
Extension support
MMX	Yes	Yes	Yes
3DNow!	Yes	Yes	Yes
SSE	No	Yes	Yes
Enhanced 3DNow!	Yes	Yes	Yes
3DNow! Professional	No	Yes	Yes
SSE2	No	No	No
SSE3	No	No	No
SSSE3	No	No	No
Additional Features
Intel 64	No	No	No
AMD64	No	No	No
HyperThreading	No	No	No
NX Bit	No	No	No
Virtualization Technology	No	No	No

Notes

© AMD & Intel CPU Specifications - N D Evanson 2008