Xeon Platinum 8256
CPU·Entry

Xeon Platinum 8256

Intel

PassMark

16,787

11 December 2018 (6 years ago)
105 Watt
Cascade Lake-SP (2018)

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Xeon Platinum 8256 is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 3.9 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2933. Passmark benchmark score: 16,787 points. Launch price was $7,007.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Xeon Platinum 8256

#115
Xeon W-1370
MSRP: $323|Avg: $323
106%
#119
Xeon 6505P
MSRP: $563|Avg: $563
104%
#128
Xeon Platinum 8256
MSRP: N/A|Avg: N/A
100%
#130
EPYC 9115
MSRP: $726|Avg: $726
99%
#131
EPYC 74F3
MSRP: $913|Avg: $824
99%
#143
Xeon W-1350P
MSRP: $311|Avg: $250
94%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Xeon Platinum 8256 specifications and capabilities.

Processing Power

The Xeon Platinum 8256 is a 4-core / 8-thread processor based on the Cascade Lake-SP (2018) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 3.9 GHz from a base frequency of 3.8 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 16.5 MB (total) of L3 cache, plus 1 MB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 16,787, placing it in the Mid-Range performance tier as a Legacy generation product.

SpecificationXeon Platinum 8256
Cores / ThreadsPhysical/logical processing units4C / 8T
Max Boost ClockPeak single-core speed under boost3.9 GHz
Base ClockGuaranteed minimum operating frequency3.8 GHz
ArchitectureCPU microarchitecture designCascade Lake-SP (2018)
Process NodeFabrication technology — smaller = more efficient14 nm
L3 CacheShared cache — reduces memory latency for all cores16.5 MB (total)
L2 CachePer-core fast cache for frequently accessed data1 MB (per core)
L1 CacheUltra-fast per-core cache64 kB (per core)
Transistor CountMore transistors = more capabilities8,000 million
Max TemperatureMaximum safe operating temperature (Tjmax)72 °C
64-bit SupportYes
Windows 11 CompatibleYes
PassMark ScoreOverall multi-threaded benchmark score16,787
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Memory & Platform

The Xeon Platinum 8256 fits into the LGA3647 socket and supports PCIe 3.0. It supports DDR4-2933 memory.

SpecificationXeon Platinum 8256
TypeDesktop or Laptop processorserver
SeriesProduct familyIntel Xeon Platinum
SocketMotherboard socket requiredLGA3647
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
RAM TypeSupported memory standardDDR4-2933
Max CPUs in ConfigMulti-socket support for servers8 (Multiprocessor)
🌡️

Power & Cooling

The Xeon Platinum 8256 has a rated TDP (Thermal Design Power) of 105 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationXeon Platinum 8256
TDPThermal Design Power — heat output under sustained workload105 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)72 °C
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Value Analysis

Performance ranking position: #939 out of all indexed processors.

SpecificationXeon Platinum 8256
Launch PriceOriginal retail price at launch$7,007
Performance RankPosition in overall performance ranking#939
Release DateLaunch date11 December 2018 (6 years ago)
Release Year2019
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

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