Product comparison · 2 cpus

HP Intel Xeon E5620, FI, Ref vs HP Intel Xeon X5660, FI, Ref

39specifications compared
9differ
30identical
2known for one product only

Key differences

The HP Intel Xeon X5660, FI, Ref has 0.4 GHz more processor base frequency than the HP Intel Xeon E5620, FI, Ref (2.8 GHz vs 2.4 GHz). The HP Intel Xeon X5660, FI, Ref has 2 more processor cores than the HP Intel Xeon E5620, FI, Ref (6 vs 4). The HP Intel Xeon X5660, FI, Ref has 4 more processor threads than the HP Intel Xeon E5620, FI, Ref (12 vs 8). Processor model: E5620 on the HP Intel Xeon E5620, FI, Ref, X5660 on the HP Intel Xeon X5660, FI, Ref. Memory clock speeds supported by processor: 800,1066 MHz on the HP Intel Xeon E5620, FI, Ref, 800,1066,1333 MHz on the HP Intel Xeon X5660, FI, Ref.

Processor model
- Intel Xeon E5620, FI, Ref:E5620
- Intel Xeon X5660, FI, Ref:X5660
Processor base frequency
- Intel Xeon E5620, FI, Ref:2.4 GHz
- Intel Xeon X5660, FI, Ref:2.8 GHz
Processor cores
- Intel Xeon E5620, FI, Ref:4
- Intel Xeon X5660, FI, Ref:6
Processor threads
- Intel Xeon E5620, FI, Ref:8
- Intel Xeon X5660, FI, Ref:12
System bus rate
- Intel Xeon E5620, FI, Ref:5.86 GT/s
- Intel Xeon X5660, FI, Ref:6.4 GT/s
Processor boost frequency
- Intel Xeon E5620, FI, Ref:2.66 GHz
- Intel Xeon X5660, FI, Ref:3.2 GHz
Thermal Design Power (TDP)
- Intel Xeon E5620, FI, Ref:80 W
- Intel Xeon X5660, FI, Ref:95 W
Memory bandwidth supported by processor (max)
- Intel Xeon E5620, FI, Ref:25.6 GB/s
- Intel Xeon X5660, FI, Ref:32 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5620, FI, Ref, Intel Xeon X5660, FI, Ref
41 specifications	A HP Intel Xeon E5620, FI, Ref View product	B HP Intel Xeon X5660, FI, Ref View product
Processor8 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5620	X5660
Processor base frequencyDiffers	2.4 GHz	2.8 GHz
Processor coresDiffers	4	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	12
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor boost frequencyDiffers	2.66 GHz	3.2 GHz
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage Range	0.75 - 1.35 V	0.75 - 1.35 V
SteppingKnown for one	B1	Unknown — not stated by the source
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
Memory1 differ
Maximum internal memory supported by processor	288 GB	288 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Memory channels	Triple-channel	Triple-channel
ECC	Yes	Yes
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Market segment	Server	Server
Supported instruction sets	SSE4.2	SSE4.2
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	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® Smart Cache	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
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	81.3 °C

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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