Product comparison · 2 cpus

HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU vs HP Z620 Xeon E5-2665 8C 2.40GHz 20MB

49specifications compared
10differ
39identical
0known for one product only

Key differences

The HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU has 0.9 GHz more processor base frequency than the HP Z620 Xeon E5-2665 8C 2.40GHz 20MB (3.3 GHz vs 2.4 GHz). The HP Z620 Xeon E5-2665 8C 2.40GHz 20MB has 4 more processor cores than the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU (8 vs 4). The HP Z620 Xeon E5-2665 8C 2.40GHz 20MB has 8 more processor threads than the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU (16 vs 8). Processor model: E5-2643 on the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU, E5-2665 on the HP Z620 Xeon E5-2665 8C 2.40GHz 20MB. Processor cache type: L2 on the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU, L3 on the HP Z620 Xeon E5-2665 8C 2.40GHz 20MB.

Processor model
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:E5-2643
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:E5-2665
Processor base frequency
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:3.3 GHz
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:2.4 GHz
Processor cores
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:4
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:8
Processor threads
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:8
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:16
Processor boost frequency
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:3.5 GHz
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:3.1 GHz
Processor cache
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:10 MB
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:20 MB
Processor cache type
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:L2
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:L3
Thermal Design Power (TDP)
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:130 W
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:115 W

Side by side

Differences highlightedShow differences only

Comparison of Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU, Z620 Xeon E5-2665 8C 2.40GHz 20MB
49 specifications	A HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU View product	B HP Z620 Xeon E5-2665 8C 2.40GHz 20MB View product
Processor9 differ
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2643	E5-2665
Processor base frequencyDiffers	3.3 GHz	2.4 GHz
Processor coresDiffers	4	8
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	16
System bus rate	8 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.5 GHz	3.1 GHz
Processor cacheDiffers	10 MB	20 MB
Processor cache typeDiffers	L2	L3
Processor front side bus	1600 MHz	1600 MHz
Thermal Design Power (TDP)Differs	130 W	115 W
VID Voltage Range	0.6 - 1.35 V	0.6 - 1.35 V
Bus type	QPI	QPI
CPU multiplier (bus/core ratio)Differs	35	31
Number of QPI links	2	2
Memory bandwidth supported by processor (max)	51.2 GB/s	51.2 GB/s
Memoryidentical
Maximum internal memory supported by processor	750 GB	750 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333,1600 MHz	800,1066,1333,1600 MHz
Memory channels	Quad-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segment	Server	Server
Maximum number of PCI Express lanes	40	40
PCI Express slots version	3.0	3.0
CPU configuration (max)	2	2
Embedded options available	No	No
Scalability	S2S	S2S
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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® vPro™ Platform Eligibility	Yes	Yes
Operational conditions1 differ
TcaseDiffers	73 °C	81.8 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Compatibility	HP Z620	HP Z620

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