Product comparison · 2 cpus

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

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  • 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 (off)
Comparison of Intel Xeon 6 Efficient 6781P, Xeon 6520P
82 specifications
Processor13 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Xeon®Intel Xeon 6
Processor modelDiffers6781P6520P
Processor base frequencyDiffers2 GHz2.4 GHz
Processor coresDiffers8024
Processor socketLGA 4710LGA 4710
Processor threadsDiffers16048
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers3.8 GHz4 GHz
All core Turbo frequencyDiffers3.2 GHz3.4 GHz
High priority coresDiffers308
High priority core frequencyDiffers2.1 GHz2.5 GHz
Low priority coresDiffers5016
Low priority core frequencyDiffers1.6 GHz2.3 GHz
Processor cacheDiffers336 MB144 MB
Thermal Design Power (TDP)Differs350 W210 W
Processor codenameGranite RapidsGranite Rapids
Processor ARK IDKnown for one241834Unknown — not stated by the source
Intel® UPI SpeedKnown for oneUnknown — not stated by the source24 GT/s
Processor cache typeKnown for oneUnknown — not stated by the sourceL3
Number of QPI linksKnown for oneUnknown — not stated by the source4
Memory1 differ
Maximum internal memory supported by processor4 TB4 TB
Memory types supported by processorDDR5-SDRAMDDR5-SDRAM
Memory clock speeds supported by processorDiffers6400,8800 MHz6400 MHz
Memory channelsOcta-channelOcta-channel
ECCYesYes
Graphicsidentical
Discrete graphics cardNoNo
On-board graphics cardNoNo
On-board graphics card modelNot availableNot available
Discrete graphics card modelNot availableNot available
Features2 differ
Execute Disable BitYesYes
Market segmentKnown for oneServerUnknown — not stated by the source
Maximum number of PCI Express lanesDiffers13688
PCI Express slots version5.05.0
Supported instruction setsAMX, AVX, AVX 2.0, AVX-512, SSE4.2AMX, AVX, AVX 2.0, AVX-512, SSE4.2
Embedded options availableYesYes
ScalabilityDiffers1S2S
Processor special features4 differ
Intel Trusted Execution TechnologyYesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Speed Shift TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Intel® Transactional Synchronization ExtensionsYesYes
Intel® Total Memory EncryptionYesYes
Intel® Control-flow Enforcement Technology (CET)YesYes
Intel® Crypto AccelerationYesYes
Intel® Platform Firmware Resilience SupportYesYes
Intel® Trust Domain Extensions (Intel® TDX)YesYes
Maximum Enclave Size Support for Intel® SGXKnown for one128 GBUnknown — not stated by the source
AVX-512 Fused Multiply-Add (FMA) unitsKnown for one2Unknown — not stated by the source
Intel 64YesYes
Intel Software Guard Extensions (Intel SGX)YesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® Boot GuardYesYes
Intel® Deep Learning Boost (Intel® DL Boost) on CPUYesYes
Intel® OS GuardYesYes
Intel® Resource Director Technology (Intel® RDT)YesYes
Intel® Run Sure TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Speed Select Technology - Base Frequency (Intel® SST-BF)YesYes
Intel® Speed Select technology - Performance Profile (Intel® SST-PP)YesYes
Intel® Volume Management Device (VMD)YesYes
Mode-based Execute Control (MBE)YesYes
Intel® QuickAssist Software AccelerationYesYes
Intel® Total Memory Encryption - Multi KeyYesYes
Intel® QuickAssist Technology (QAT)Differs3 default devices2
Intel® Dynamic Load Balancer (DLB)Differs3 default devices2
Intel® Data Streaming Accelerator (DSA)Differs3 default devices2
Intel® In-memory Analytics Accelerator (IAA)Differs3 default devices2
Intel® Advanced Matrix Extensions (AMX)YesYes
Intel® Speed Select Technology – Core PowerYesYes
Intel® Speed Select Technology – Turbo FrequencyYesYes
Operational conditions2 differ
DTS MaxDiffers97 °C95 °C
TcaseDiffers81 °C79 °C
Technical details1 differ
Package carrierDiffersE2AE2B
Launch dateKnown for oneQ1'25Unknown — not stated by the source
Memory speed (max)Known for one8000 MHzUnknown — not stated by the source
StatusKnown for oneLaunchedUnknown — not stated by the source
Weight & dimensionsidentical
Processor package sizeKnown for one77.5 x 56.5 mmUnknown — not stated by the source
Other featuresidentical
Maximum internal memoryKnown for one4 TBUnknown — 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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