Product comparison · 2 cpus

HP E5645 processor vs HP E5649 processor

Key differences

Differences highlightedShow differences only

Comparison of E5645, E5649
24 specifications	A HP E5645 processor Model E5645 View product	B HP E5649 processor Model E5649 View product
Processor4 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5645	E5649
Processor base frequencyDiffers	2.4 GHz	2.53 GHz
Processor cores	6	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
Processor threads	12	12
System bus rate	5.86 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	2.67 GHz	2.93 GHz
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	80 W	80 W
VID Voltage Range	0.750 - 1.350 V	0.750 - 1.350 V
CPU multiplier (bus/core ratio)Differs	18	19
Memory bandwidth supported by processor (max)	32 GB/s	32 GB/s
Memoryidentical
Maximum internal memory supported by processor	288 GB	288 GB
Memory clock speeds supported by processor	800,1066,1333 MHz	800,1066,1333 MHz
Memory channels	Triple-channel	Triple-channel
Featuresidentical
Market segment	Server	Server
Weight & dimensionsidentical
Width	45 mm	45 mm
Height	42.5 mm	42.5 mm

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.