Product comparison · 2 cpus

HP Intel Xeon E7520 vs HP Intel Xeon X3450

23specifications compared
10differ
13identical
24known for one product only

Key differences

Processor family
- Intel Xeon E7520:Intel® Xeon® 7000 Sequence
- Intel Xeon X3450:Intel® Xeon® 3000 Sequence
Processor model
- Intel Xeon E7520:E7520
- Intel Xeon X3450:X3450
Processor base frequency
- Intel Xeon E7520:1.866 GHz
- Intel Xeon X3450:2.66 GHz
Processor socket
- Intel Xeon E7520:LGA 1567 (Socket LS)
- Intel Xeon X3450:LGA 1156 (Socket H)
System bus rate
- Intel Xeon E7520:4.8 GT/s
- Intel Xeon X3450:2.5 GT/s
Processor boost frequency
- Intel Xeon E7520:1.866 GHz
- Intel Xeon X3450:3.2 GHz
Processor cache
- Intel Xeon E7520:18 MB
- Intel Xeon X3450:8 MB
VID Voltage Range
- Intel Xeon E7520:0.675 - 1.35 V
- Intel Xeon X3450:0.6500 - 1.4000 V

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E7520, Intel Xeon X3450
47 specifications	A HP Intel Xeon E7520 View product	B HP Intel Xeon X3450 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® 7000 Sequence	Intel® Xeon® 3000 Sequence
Processor modelDiffers	E7520	X3450
Processor base frequencyDiffers	1.866 GHz	2.66 GHz
Processor cores	4	4
Processor socketDiffers	LGA 1567 (Socket LS)	LGA 1156 (Socket H)
Processor lithography	45 nm	45 nm
Component for	Server/workstation	Server/workstation
Processor threads	8	8
System bus rateDiffers	4.8 GT/s	2.5 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	1.866 GHz	3.2 GHz
Processor cacheDiffers	18 MB	8 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	95 W	95 W
VID Voltage RangeDiffers	0.675 - 1.35 V	0.6500 - 1.4000 V
Bus typeKnown for one	Unknown — not stated by the source	DMI
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	21 GB/s
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	32 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 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Market segment	Server	Server
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	1
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 4x4
Number of Graphics & IMC Die TransistorsKnown for one	Unknown — not stated by the source	774 M
Graphics & IMC Die SizeKnown for one	Unknown — not stated by the source	296 mm²
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Embedded options availableKnown for one	Unknown — not stated by the source	No
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	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	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	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 (VT-x)	Yes	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	No
Operational conditions1 differ
TcaseDiffers	70 °C	72.7 °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 ML110G6

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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