Product comparison · 2 cpus

HP Intel Xeon E5-2603 vs HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU

37specifications compared
10differ
27identical
13known for one product only

Key differences

The HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU has 1.5 GHz more processor base frequency than the HP Intel Xeon E5-2603 (3.3 GHz vs 1.8 GHz). The HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU has 4 more processor threads than the HP Intel Xeon E5-2603 (8 vs 4). The HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU has 1.6 GT/s more system bus rate than the HP Intel Xeon E5-2603 (8 GT/s vs 6.40 GT/s). Processor model: E5-2603 on the HP Intel Xeon E5-2603, E5-2643 on the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU. Processor cache type: L3 on the HP Intel Xeon E5-2603, L2 on the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU.

Processor model
- Intel Xeon E5-2603:E5-2603
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:E5-2643
Processor base frequency
- Intel Xeon E5-2603:1.8 GHz
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:3.3 GHz
Processor threads
- Intel Xeon E5-2603:4
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:8
System bus rate
- Intel Xeon E5-2603:6.40 GT/s
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:8 GT/s
Processor cache type
- Intel Xeon E5-2603:L3
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:L2
Thermal Design Power (TDP)
- Intel Xeon E5-2603:80 W
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:130 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5-2603:18
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:35
Memory bandwidth supported by processor (max)
- Intel Xeon E5-2603:34.1 GB/s
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:51.2 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2603, Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU
50 specifications	A HP Intel Xeon E5-2603 View product	B HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU View product
Processor8 differ
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2603	E5-2643
Processor base frequencyDiffers	1.8 GHz	3.3 GHz
Processor cores	4	4
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	4	8
System bus rateDiffers	6.40 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.5 GHz
Processor cache	10 MB	10 MB
Processor cache typeDiffers	L3	L2
Processor front side busKnown for one	Unknown — not stated by the source	1600 MHz
Thermal Design Power (TDP)Differs	80 W	130 W
VID Voltage Range	0.6 - 1.35 V	0.6 - 1.35 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
CPU multiplier (bus/core ratio)Differs	18	35
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory bandwidth supported by processor (max)Differs	34.1 GB/s	51.2 GB/s
SteppingKnown for one	M1	Unknown — not stated by the source
Memory1 differ
Maximum internal memory supported by processor	750 GB	750 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333,1600 MHz
Memory channels	Quad-channel	Quad-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	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 lanesKnown for one	Unknown — not stated by the source	40
PCI Express slots version	3.0	3.0
CPU configuration (max)	2	2
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 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)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 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	70 °C	73 °C
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

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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