Product comparison · 2 cpus

HP Intel Xeon E5-2640 2.5GHz vs HP Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU

38specifications compared
8differ
30identical
12known for one product only

Key differences

The HP Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU has 0.4 GHz more processor base frequency than the HP Intel Xeon E5-2640 2.5GHz (2.9 GHz vs 2.5 GHz). The HP Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU has 0.8 GT/s more system bus rate than the HP Intel Xeon E5-2640 2.5GHz (8 GT/s vs 7.2 GT/s). The HP Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU has 0.5 GHz more processor boost frequency than the HP Intel Xeon E5-2640 2.5GHz (3.5 GHz vs 3 GHz). Processor model: E5-2640 on the HP Intel Xeon E5-2640 2.5GHz, E5-2667 on the HP Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU. Memory clock speeds supported by processor: 800,1066,1333 MHz on the HP Intel Xeon E5-2640 2.5GHz, 800,1066,1333,1600 MHz on the HP Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU.

Processor model
- Intel Xeon E5-2640 2.5GHz:E5-2640
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:E5-2667
Processor base frequency
- Intel Xeon E5-2640 2.5GHz:2.5 GHz
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:2.9 GHz
System bus rate
- Intel Xeon E5-2640 2.5GHz:7.2 GT/s
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:8 GT/s
Processor boost frequency
- Intel Xeon E5-2640 2.5GHz:3 GHz
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:3.5 GHz
Thermal Design Power (TDP)
- Intel Xeon E5-2640 2.5GHz:95 W
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:130 W
Memory bandwidth supported by processor (max)
- Intel Xeon E5-2640 2.5GHz:42.6 GB/s
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:51.2 GB/s
Memory clock speeds supported by processor
- Intel Xeon E5-2640 2.5GHz:800,1066,1333 MHz
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:800,1066,1333,1600 MHz
Tcase
- Intel Xeon E5-2640 2.5GHz:73 °C
- Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU:85 °C

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2640 2.5GHz, Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU
50 specifications	A HP Intel Xeon E5-2640 2.5GHz View product	B HP Z820 Xeon E5-2667 6 Core 2.90GHz 15MB cache 1600MHz 2nd CPU View product
Processor6 differ
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2640	E5-2667
Processor base frequencyDiffers	2.5 GHz	2.9 GHz
Processor cores	6	6
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Processor lithography	32 nm	32 nm
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Processor threads	12	12
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3 GHz	3.5 GHz
Processor cacheKnown for one	Unknown — not stated by the source	15 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L3
Processor front side busKnown for one	Unknown — not stated by the source	1600 MHz
Thermal Design Power (TDP)Differs	95 W	130 W
VID Voltage Range	0.60 - 1.35 V	0.60 - 1.35 V
Bus type	QPI	QPI
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	35
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Memory1 differ
Maximum internal memory supported by processor	750 GB	750 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066,1333 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 segmentKnown for one	Unknown — not stated by the source	Server
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
CPU configuration (max)	2	2
Embedded options availableKnown for one	Unknown — not stated by the source	No
Scalability	S2S	S2S
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
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	85 °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 Z820

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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