Product comparison · 2 cpus

Acer Intel Xeon X3440 vs HP Z620 Xeon E5-2620 6C 2.00GHz 15MB

37specifications compared
18differ
19identical
24known for one product only

Key differences

Processor family
- Intel Xeon X3440:Intel® Xeon® 3000 Sequence
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:Intel® Xeon® E5 Family
Processor model
- Intel Xeon X3440:X3440
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:E5-2620
Processor base frequency
- Intel Xeon X3440:2.53 GHz
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:2 GHz
Processor cores
- Intel Xeon X3440:4
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:6
Processor socket
- Intel Xeon X3440:LGA 1156 (Socket H)
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:LGA 2011 (Socket R)
Processor lithography
- Intel Xeon X3440:45 nm
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:32 nm
Processor threads
- Intel Xeon X3440:8
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:12
System bus rate
- Intel Xeon X3440:2.50 GT/s
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:7.2 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon X3440, Z620 Xeon E5-2620 6C 2.00GHz 15MB
61 specifications	A Acer Intel Xeon X3440 View product	B HP Z620 Xeon E5-2620 6C 2.00GHz 15MB View product
Processor13 differ
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Xeon® E5 Family
Processor modelDiffers	X3440	E5-2620
Processor base frequencyDiffers	2.53 GHz	2 GHz
Processor coresDiffers	4	6
Processor socketDiffers	LGA 1156 (Socket H)	LGA 2011 (Socket R)
Processor lithographyDiffers	45 nm	32 nm
Package typeKnown for one	Tray	Unknown — not stated by the source
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	12
System bus rateDiffers	2.50 GT/s	7.2 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	2.93 GHz	2.5 GHz
Processor cacheDiffers	8 MB	15 MB
Processor cache type	L3	L3
L3 cache speedKnown for one	2.53 GHz	Unknown — not stated by the source
Thermal Design Power (TDP)	95 W	95 W
VID Voltage RangeDiffers	0.6500 - 1.4000 V	0.6 - 1.35 V
Compatible chipsetsKnown for one	Intel® 3400, Intel® 3420, Intel® 3450	Unknown — not stated by the source
SteppingKnown for one	B1	Unknown — not stated by the source
Bus typeDiffers	DMI	QPI
Memory bandwidth supported by processor (max)Differs	21 GB/s	42.6 GB/s
Processor codeKnown for one	SLBLF	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	25
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory2 differ
Maximum internal memory supported by processorDiffers	32 GB	750 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333 MHz	800,1066,1333 MHz
Memory channelsDiffers	Dual-channel	Quad-channel
ECC	Yes	Yes
Features2 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Market segment	Server	Server
Maximum number of PCI Express lanesDiffers	1	40
PCI Express slots versionDiffers	2.0	3.0
PCI Express configurationsKnown for one	1x16, 2x8, 4x4	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	774 M	Unknown — not stated by the source
Processing Die sizeKnown for one	296 mm²	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Embedded options availableKnown for one	Unknown — not stated by the source	No
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Trusted Execution Technology	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	Yes	Yes
Intel Demand Based Switching	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel Flex Memory AccessKnown 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® vPro™ Platform EligibilityKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	72.7 °C	77.4 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	37.5 mm	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
CompatibilityKnown for one	Unknown — not stated by the source	HP Z620
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No

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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