Product comparison · 2 cpus

Dell Intel Xeon 6 Efficient 6781P vs Fujitsu Xeon 6520P

70specifications compared
23differ
47identical
12known for one product only

Key differences

The Dell Intel Xeon 6 Efficient 6781P has 261 P more processor model than the Fujitsu Xeon 6520P (6781P vs 6520P). The Fujitsu Xeon 6520P has 0.4 GHz more processor base frequency than the Dell Intel Xeon 6 Efficient 6781P (2.4 GHz vs 2 GHz). The Dell Intel Xeon 6 Efficient 6781P has 56 more processor cores than the Fujitsu Xeon 6520P (80 vs 24). Processor family: Intel® Xeon® on the Dell Intel Xeon 6 Efficient 6781P, Intel Xeon 6 on the Fujitsu Xeon 6520P. Memory clock speeds supported by processor: 6400,8800 MHz on the Dell Intel Xeon 6 Efficient 6781P, 6400 MHz on the Fujitsu Xeon 6520P.

Processor family
- Intel Xeon 6 Efficient 6781P:Intel® Xeon®
- Xeon 6520P:Intel Xeon 6
Processor model
- Intel Xeon 6 Efficient 6781P:6781P
- Xeon 6520P:6520P
Processor base frequency
- Intel Xeon 6 Efficient 6781P:2 GHz
- Xeon 6520P:2.4 GHz
Processor cores
- Intel Xeon 6 Efficient 6781P:80
- Xeon 6520P:24
Processor threads
- Intel Xeon 6 Efficient 6781P:160
- Xeon 6520P:48
Processor boost frequency
- Intel Xeon 6 Efficient 6781P:3.8 GHz
- Xeon 6520P:4 GHz
All core Turbo frequency
- Intel Xeon 6 Efficient 6781P:3.2 GHz
- Xeon 6520P:3.4 GHz
High priority cores
- Intel Xeon 6 Efficient 6781P:30
- Xeon 6520P:8

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon 6 Efficient 6781P, Xeon 6520P
82 specifications	A Dell Intel Xeon 6 Efficient 6781P View product	B Fujitsu Xeon 6520P View product
Processor13 differ
Processor familyDiffers	Intel® Xeon®	Intel Xeon 6
Processor modelDiffers	6781P	6520P
Processor base frequencyDiffers	2 GHz	2.4 GHz
Processor coresDiffers	80	24
Processor threadsDiffers	160	48
Processor boost frequencyDiffers	3.8 GHz	4 GHz
All core Turbo frequencyDiffers	3.2 GHz	3.4 GHz
High priority coresDiffers	30	8
High priority core frequencyDiffers	2.1 GHz	2.5 GHz
Low priority coresDiffers	50	16
Low priority core frequencyDiffers	1.6 GHz	2.3 GHz
Processor cacheDiffers	336 MB	144 MB
Thermal Design Power (TDP)Differs	350 W	210 W
Processor ARK IDKnown for one	241834	Unknown — not stated by the source
Intel® UPI SpeedKnown for one	Unknown — not stated by the source	24 GT/s
Processor cache typeKnown for one	Unknown — not stated by the source	L3
Number of QPI linksKnown for one	Unknown — not stated by the source	4
Memory1 differ
Memory clock speeds supported by processorDiffers	6400,8800 MHz	6400 MHz
Features2 differ
Market segmentKnown for one	Server	Unknown — not stated by the source
Maximum number of PCI Express lanesDiffers	136	88
ScalabilityDiffers	1S	2S
Processor special features4 differ
Maximum Enclave Size Support for Intel® SGXKnown for one	128 GB	Unknown — not stated by the source
AVX-512 Fused Multiply-Add (FMA) unitsKnown for one	2	Unknown — not stated by the source
Intel® QuickAssist Technology (QAT)Differs	3 default devices	2
Intel® Dynamic Load Balancer (DLB)Differs	3 default devices	2
Intel® Data Streaming Accelerator (DSA)Differs	3 default devices	2
Intel® In-memory Analytics Accelerator (IAA)Differs	3 default devices	2
Operational conditions2 differ
DTS MaxDiffers	97 °C	95 °C
TcaseDiffers	81 °C	79 °C
Technical details1 differ
Package carrierDiffers	E2A	E2B
Launch dateKnown for one	Q1'25	Unknown — not stated by the source
Memory speed (max)Known for one	8000 MHz	Unknown — not stated by the source
StatusKnown for one	Launched	Unknown — not stated by the source
Weight & dimensionsidentical
Processor package sizeKnown for one	77.5 x 56.5 mm	Unknown — not stated by the source
Other featuresidentical
Maximum internal memoryKnown for one	4 TB	Unknown — not stated by the source

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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