Product comparison · 2 cpus

Acer Intel Xeon 3040 vs HP Z620 Xeon E5-2643 4C 3.30GHz 10MB

20specifications compared
12differ
8identical
35known for one product only

Key differences

The HP Z620 Xeon E5-2643 4C 3.30GHz 10MB has 1.44 GHz more processor base frequency than the Acer Intel Xeon 3040 (3.3 GHz vs 1.86 GHz). The HP Z620 Xeon E5-2643 4C 3.30GHz 10MB has 2 more processor cores than the Acer Intel Xeon 3040 (4 vs 2). The Acer Intel Xeon 3040 has 33 nm more processor lithography than the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB (65 nm vs 32 nm). Processor family: Intel® Xeon® 3000 Sequence on the Acer Intel Xeon 3040, Intel® Xeon® E5 Family on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB. Processor model: 3040 on the Acer Intel Xeon 3040, E5-2643 on the HP Z620 Xeon E5-2643 4C 3.30GHz 10MB.

Processor family
- Intel Xeon 3040:Intel® Xeon® 3000 Sequence
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:Intel® Xeon® E5 Family
Processor model
- Intel Xeon 3040:3040
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:E5-2643
Processor base frequency
- Intel Xeon 3040:1.86 GHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:3.3 GHz
Processor cores
- Intel Xeon 3040:2
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:4
Processor lithography
- Intel Xeon 3040:65 nm
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:32 nm
Processor cache
- Intel Xeon 3040:2 MB
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:10 MB
Processor cache type
- Intel Xeon 3040:L2
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:L3
Processor front side bus
- Intel Xeon 3040:1066 MHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:1600 MHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon 3040, Z620 Xeon E5-2643 4C 3.30GHz 10MB
55 specifications	A Acer Intel Xeon 3040 View product	B HP Z620 Xeon E5-2643 4C 3.30GHz 10MB View product
Processor10 differ
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Xeon® E5 Family
Processor modelDiffers	3040	E5-2643
Processor base frequencyDiffers	1.86 GHz	3.3 GHz
Processor coresDiffers	2	4
Processor socketKnown for one	Unknown — not stated by the source	LGA 2011 (Socket R)
Processor lithographyDiffers	65 nm	32 nm
Processor threadsKnown for one	Unknown — not stated by the source	8
System bus rateKnown for one	Unknown — not stated by the source	8 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.5 GHz
Processor cacheDiffers	2 MB	10 MB
Processor cache typeDiffers	L2	L3
Processor front side busDiffers	1066 MHz	1600 MHz
Thermal Design Power (TDP)Differs	65 W	130 W
VID Voltage RangeDiffers	0.8500 - 1.5 V	0.6 - 1.35 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	35
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	51.2 GB/s
Package typeKnown for one	Tray	Unknown — not stated by the source
L2 cache speedKnown for one	1.86 GHz	Unknown — not stated by the source
Compatible chipsetsKnown for one	Intel® 3000, Intel® 3010, Intel 3100, Intel® 3200	Unknown — not stated by the source
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	750 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	800,1066,1333,1600 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Quad-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
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
Embedded options availableKnown for one	Unknown — not stated by the source	No
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Number of Processing Die TransistorsKnown for one	167 M	Unknown — not stated by the source
Processing Die sizeKnown for one	111 mm²	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	65 nm	Unknown — not stated by the source
Processor special featuresidentical
Intel Flex Memory AccessKnown 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 for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	61.4 °C	73 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x
CompatibilityKnown for one	Unknown — not stated by the source	HP Z620
Weight & dimensionsidentical
Processor package sizeKnown for one	37.5 mm	Unknown — not stated by the source

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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