Product comparison · 2 cpus

HP Intel Xeon E5620, FI, Ref vs HP Intel Xeon X5550, FI, Ref

36specifications compared
10differ
26identical
9known for one product only

Key differences

The HP Intel Xeon X5550, FI, Ref has 0.26 GHz more processor base frequency than the HP Intel Xeon E5620, FI, Ref (2.66 GHz vs 2.4 GHz). The HP Intel Xeon X5550, FI, Ref has 13 nm more processor lithography than the HP Intel Xeon E5620, FI, Ref (45 nm vs 32 nm). The HP Intel Xeon X5550, FI, Ref has 0.54 GT/s more system bus rate than the HP Intel Xeon E5620, FI, Ref (6.4 GT/s vs 5.86 GT/s). Processor model: E5620 on the HP Intel Xeon E5620, FI, Ref, X5550 on the HP Intel Xeon X5550, 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 X5550, FI, Ref.

Processor model
- Intel Xeon E5620, FI, Ref:E5620
- Intel Xeon X5550, FI, Ref:X5550
Processor base frequency
- Intel Xeon E5620, FI, Ref:2.4 GHz
- Intel Xeon X5550, FI, Ref:2.66 GHz
Processor lithography
- Intel Xeon E5620, FI, Ref:32 nm
- Intel Xeon X5550, FI, Ref:45 nm
System bus rate
- Intel Xeon E5620, FI, Ref:5.86 GT/s
- Intel Xeon X5550, FI, Ref:6.4 GT/s
Processor boost frequency
- Intel Xeon E5620, FI, Ref:2.66 GHz
- Intel Xeon X5550, FI, Ref:3.06 GHz
Processor cache
- Intel Xeon E5620, FI, Ref:12 MB
- Intel Xeon X5550, FI, Ref:8 MB
Thermal Design Power (TDP)
- Intel Xeon E5620, FI, Ref:80 W
- Intel Xeon X5550, FI, Ref:95 W
Memory bandwidth supported by processor (max)
- Intel Xeon E5620, FI, Ref:25.6 GB/s
- Intel Xeon X5550, FI, Ref:32 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5620, FI, Ref, Intel Xeon X5550, FI, Ref
45 specifications	A HP Intel Xeon E5620, FI, Ref View product	B HP Intel Xeon X5550, FI, Ref View product
Processor8 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5620	X5550
Processor base frequencyDiffers	2.4 GHz	2.66 GHz
Processor cores	4	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithographyDiffers	32 nm	45 nm
Component for	Server/workstation	Server/workstation
Processor threads	8	8
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	3.06 GHz
Processor cacheDiffers	12 MB	8 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
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
SteppingKnown for one	B1	Unknown — not stated by the source
Memory2 differ
Maximum internal memory supported by processorDiffers	288 GB	144 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
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Processing Die sizeKnown for one	Unknown — not stated by the source	263 mm²
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	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
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	75 °C
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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