	Supports more RAM 294,912 MB		Much better overclocked clock speed (Air) 4.47 GHz
	Supports more CPUs in SMP configuration 2		Much better overclocked clock speed (Water) 4.97 GHz

summary	Xeon X5690	W3690
Clock speed	3.46 GHz	3.46 GHz
Turbo clock speed	3.73 GHz	3.73 GHz
Cores	Hexa core	Hexa core
Socket type
LGA 1366
features
Has a NX bit	Yes	Yes
Supports trusted computing	Yes	Yes
Has virtualization support	Yes	Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling	Yes	Yes
power consumption
TDP	130W	130W
Annual home energy cost	31.32 $/year	31.32 $/year
Annual commercial energy cost	113.88 $/year	113.88 $/year
Performance per watt	7.01 pt/W	6.51 pt/W
Typical power consumption	105.63W	105.63W
memory controller
Memory controller	Built-in	Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels	Triple Channel	Triple Channel
Supports ECC	Yes	Yes
Maximum bandwidth	31,999.98 MB/s	31,999.98 MB/s
Maximum memory size	294,912 MB	24,576 MB

details	Xeon X5690	W3690
Architecture	x86-64	x86-64
Threads	12	12
L2 cache	2 MB	2 MB
L2 cache per core	0.33 MB/core	0.33 MB/core
L3 cache	12 MB	12 MB
L3 cache per core	2 MB/core	2 MB/core
Manufacture process	32 nm	32 nm
Max CPUs	2	1
Clock multiplier	26	26
Voltage range	0.75 - 1.35V	0.8 - 1.38V
Operating temperature	Unknown - 78.5°C	Unknown - 67.9°C
overclocking
Overclock popularity	3	0
Overclocked clock speed	4.47 GHz	4.09 GHz
Overclocked clock speed (Water)	4.97 GHz	4.48 GHz
Overclocked clock speed (Air)	4.47 GHz	4.09 GHz
integrated graphics
GPU	None	None
Label	N/A	N/A
Latest DirectX	N/A	N/A
Number of displays supported	N/A	N/A
GPU clock speed	N/A	N/A
Turbo clock speed	N/A	N/A
3DMark06	N/A	N/A
bus
Architecture	QPI	QPI
Number of links	2	1
Data rate	51,200 MB/s	25,600 MB/s
Transfer rate	6,400 MT/s	6,400 MT/s
Clock speed	3,200 MHz	3,200 MHz

Intel Xeon X5690 vs W3690

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