Product comparison · 2 cpus

Fujitsu Intel Xeon E5645 vs Fujitsu Intel Xeon X5647 2.93GHz 12MB TB

16specifications compared
6differ
10identical
32known for one product only

Key differences

Processor model
- Intel Xeon E5645:E5645
- Intel Xeon X5647 2.93GHz 12MB TB:X5647
Processor base frequency
- Intel Xeon E5645:2.4 GHz
- Intel Xeon X5647 2.93GHz 12MB TB:2.93 GHz
Processor cores
- Intel Xeon E5645:6
- Intel Xeon X5647 2.93GHz 12MB TB:4
Processor threads
- Intel Xeon E5645:12
- Intel Xeon X5647 2.93GHz 12MB TB:8
Thermal Design Power (TDP)
- Intel Xeon E5645:80 W
- Intel Xeon X5647 2.93GHz 12MB TB:130 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5645:18
- Intel Xeon X5647 2.93GHz 12MB TB:22

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5645, Intel Xeon X5647 2.93GHz 12MB TB
48 specifications	A Fujitsu Intel Xeon E5645 View product	B Fujitsu Intel Xeon X5647 2.93GHz 12MB TB View product
Processor6 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5645	X5647
Processor base frequencyDiffers	2.4 GHz	2.93 GHz
Processor coresDiffers	6	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	12	8
System bus rate	5.86 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	80 W	130 W
VID Voltage Range	0.750 - 1.350 V	0.750 - 1.350 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
CPU multiplier (bus/core ratio)Differs	18	22
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
Package typeKnown for one	Tray	Unknown — not stated by the source
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
SteppingKnown for one	B1	Unknown — not stated by the source
Processor codeKnown for one	SLBWZ	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	288 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Featuresidentical
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Market segment	Server	Server
CPU configuration (max)Known for one	Unknown — not stated by the source	2
BandwidthKnown for one	26214.4 MB/s	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	80.4 °C
Maximum operating temperatureKnown for one	76.2 °C	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-d, VT-x
CompatibilityKnown for one	Unknown — not stated by the source	CELSIUS R570-2

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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