Core details	Phenom X3	Phenom X3
Development name	Toliman B2	Toliman B3
Construction size (nm)	65	65
Transistor count (millions)	450	450
Number of processor cores	3	3
Registers - ALU (bits)	64	64
Registers - FPU (bits)	128 (128 Ext)	128 (128 Ext)
Connection Type	Socket AM2+	Socket AM2+
Model Details
Name / Core speed (GHz)	8400 / 2.1	8450 / 2.1
	8600 / 2.3	8650 / 2.3
		8750 / 2.4
HyperTransport Details
CLK speed (MHz)	200	200
Data transfer rate (MHz)	3600	3600
Total bus width (bits)	32	32
Maximum bandwidth (GB/sec)	14.4	14.4
Integrated Memory Controller Details
Controller width (bits)	128	128
Max DRAM CLK speed (MHz)	266	266
Controller type	DDR2	DDR2
Maximum bandwidth (GB/sec)	17.1	17.1
Cache details
L1 amount (KiB)	128 x 4	128 x 4
L1 location	on-die	on-die
L1 instruction cache size (KiB)	64 x 4	64 x 4
L1 data cache size (KiB)	64 x 4	64 x 4
L2 amount (KiB)	512 x 4	512 x 4
L2 location	on-die	on-die
L2 bus width (bits)	256	256
L3 amount (KiB)	2048	2048
L3 location	on-die	on-die
L3 bus width (bits)	128	128
Extension support
MMX	Yes	Yes
3DNow!	Yes	Yes
SSE	Yes	Yes
Enhanced 3DNow!	Yes	Yes
3DNow! Professional	Yes	Yes
SSE2	Yes	Yes
SSE3	Yes	Yes
SSSE3	No	No
SSE4	Yes (4a)	Yes (4a)
Additional Features
Intel 64	No	No
AMD64	Yes	Yes
HyperThreading	No	No
NX Bit	Yes	Yes
Virtualization Technology	No	No

Notes

© AMD & Intel CPU Specifications - N D Evanson 2008