Product comparison · 2 cpus

Acer Intel Xeon E5645 Processor Upgrade vs Fujitsu Intel Xeon E7-4807

Key differences

Processor family
- Intel Xeon E5645 Processor Upgrade:Intel® Xeon® 5000 Sequence
- Intel Xeon E7-4807:Intel® Xeon® E7 Family
Processor model
- Intel Xeon E5645 Processor Upgrade:E5645
- Intel Xeon E7-4807:E7-4807
Processor base frequency
- Intel Xeon E5645 Processor Upgrade:2.4 GHz
- Intel Xeon E7-4807:1.86 GHz
Processor socket
- Intel Xeon E5645 Processor Upgrade:Socket B (LGA 1366)
- Intel Xeon E7-4807:LGA 1567 (Socket LS)
System bus rate
- Intel Xeon E5645 Processor Upgrade:5.86 GT/s
- Intel Xeon E7-4807:4.8 GT/s
Processor cache
- Intel Xeon E5645 Processor Upgrade:12 MB
- Intel Xeon E7-4807:18 MB
Thermal Design Power (TDP)
- Intel Xeon E5645 Processor Upgrade:80 W
- Intel Xeon E7-4807:95 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5645 Processor Upgrade:18
- Intel Xeon E7-4807:14

Differences highlightedShow differences only

Comparison of Intel Xeon E5645 Processor Upgrade, Intel Xeon E7-4807
26 specifications	A Acer Intel Xeon E5645 Processor Upgrade View product	B Fujitsu Intel Xeon E7-4807 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® E7 Family
Processor modelDiffers	E5645	E7-4807
Processor base frequencyDiffers	2.4 GHz	1.86 GHz
Processor socketDiffers	Socket B (LGA 1366)	LGA 1567 (Socket LS)
Package typeKnown for one	Tray	Unknown — not stated by the source
System bus rateDiffers	5.86 GT/s	4.8 GT/s
Processor boost frequencyKnown for one	2.67 GHz	Unknown — not stated by the source
Processor cacheDiffers	12 MB	18 MB
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage RangeKnown for one	0.750 - 1.350 V	Unknown — not stated by the source
SteppingKnown for one	B1	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	18	14
Memory bandwidth supported by processor (max)Known for one	32 GB/s	Unknown — not stated by the source
Memory3 differ
Maximum internal memory supported by processorDiffers	288 GB	32 GB
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,978,1066,1333 MHz
Memory channelsDiffers	Triple-channel	Quad-channel
Operational conditionsidentical
Maximum operating temperatureKnown for one	76.2 °C	Unknown — not stated by the source
Other featuresidentical
Temperature (max)Known for one	Unknown — not stated by the source	70 °C

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.