Compare 5 products

	AMD Opteron 6320	Intel Core i5 3475S	Intel Core i7 920	Intel Core i7 950	Intel Xeon E5-4607

General
Processor socket	Socket G34	LGA 1155	LGA 1366	LGA 1366	LGA 2011
Component for	Server/Workstation	PC	N/A	N/A	Server/Workstation
Operating modes	64-bit	64-bit	64-bit	64-bit	64-bit

Processor
Clock speed	2.8 GHz	2.9 GHz	2.66 GHz	3.06 GHz	2.2 GHz
Max turbo speed	3.3 GHz	3.6 GHz	2.93 GHz	3.33 GHz	N/A
Number of cores	8	4	4	4	6
Number of threads	8	4	8	8	12
Thermal Design Power (TDP)	115.0 W	65.0 W	130.0 W	130.0 W	95.0 W
Processor lithography	0.0 in	0.0 in	0.0 in	0.0 in	0.0 in
Bus type	N/A	DMI	QPI	QPI	QPI
Idle states	N/A	yes	yes	yes	yes

Integrated Graphics
On-board graphics adapter	no	yes	no	no	no
Type	N/A	Intel HD Graphics 4000	N/A	N/A	N/A
On-board graphics adapter base frequency	N/A	650.0 MHz	N/A	N/A	N/A

Memory
Cache	16 MB	6 MB	8 MB	8 MB	12 MB
Cache type	L3	Smart Cache	L2	L3	Smart Cache
Memory clock speeds supported by processor	1333 1600	1333 1600	N/A	N/A	800 1066
Memory types supported by processor	DDR3 SDRAM	DDR3 SDRAM	N/A	N/A	DDR3 SDRAM
Maximum internal memory supported by processor	N/A	32.0 GB	24.0 GB	24.0 GB	1500.0 GB
Memory bandwidth supported by processor (max)	N/A	25.6 GB/s	25.6 GB/s	25.6 GB/s	34.1 GB/s
Memory channels	N/A	Dual	N/A	N/A	Quad