Product comparison · 2 cpus

Acer Intel Xeon X3450 vs HP Xeon E5-1660

44specifications compared
27differ
17identical
12known for one product only

Key differences

The HP Xeon E5-1660 has 0.64 GHz more processor base frequency than the Acer Intel Xeon X3450 (3.3 GHz vs 2.66 GHz). The HP Xeon E5-1660 has 2 more processor cores than the Acer Intel Xeon X3450 (6 vs 4). The Acer Intel Xeon X3450 has 13 nm more processor lithography than the HP Xeon E5-1660 (45 nm vs 32 nm). Only the Acer Intel Xeon X3450 has embedded options available. Processor family: Intel® Xeon® 3000 Sequence on the Acer Intel Xeon X3450, Intel® Xeon® E5 Family on the HP Xeon E5-1660.

Processor family
- Intel Xeon X3450:Intel® Xeon® 3000 Sequence
- Xeon E5-1660:Intel® Xeon® E5 Family
Processor model
- Intel Xeon X3450:X3450
- Xeon E5-1660:E5-1660
Processor base frequency
- Intel Xeon X3450:2.66 GHz
- Xeon E5-1660:3.3 GHz
Processor cores
- Intel Xeon X3450:4
- Xeon E5-1660:6
Processor socket
- Intel Xeon X3450:LGA 1156 (Socket H)
- Xeon E5-1660:LGA 2011 (Socket R)
Processor lithography
- Intel Xeon X3450:45 nm
- Xeon E5-1660:32 nm
Processor threads
- Intel Xeon X3450:8
- Xeon E5-1660:12
System bus rate
- Intel Xeon X3450:2.5 GT/s
- Xeon E5-1660:0 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon X3450, Xeon E5-1660
56 specifications	A Acer Intel Xeon X3450 View product	B HP Xeon E5-1660 View product
Processor17 differ
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Xeon® E5 Family
Processor modelDiffers	X3450	E5-1660
Processor base frequencyDiffers	2.66 GHz	3.3 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	2.5 GT/s	0 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.2 GHz	3.9 GHz
Processor cacheDiffers	8 MB	15 MB
Processor cache type	L3	L3
L3 cache speedKnown for one	2.66 GHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	95 W	130 W
VID Voltage RangeDiffers	0.6500 - 1.4000 V	0.6 - 1.35 V
Compatible chipsetsDiffers	Intel® 3400, Intel® 3420, Intel® 3450	Intel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608
SteppingDiffers	B1	C2
Bus typeDiffers	DMI	QPI
Memory bandwidth supported by processor (max)Differs	21 GB/s	51.2 GB/s
Processor codeDiffers	SLBLD	SR0KN
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	39
Memory3 differ
Maximum internal memory supported by processorDiffers	32 GB	375 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 channelsDiffers	Dual-channel	Quad-channel
ECC	Yes	Yes
Features4 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 setsDiffers	SSE4.2	AVX
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
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
Processor special features1 differ
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 TechnologyDiffers	Yes	2.0
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	64 °C
Weight & dimensions1 differ
Processor package sizeDiffers	37.5 mm	52.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x

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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