Intel Xeon Gold 5218T vs Intel Xeon Platinum 8256: comparison

Comparison of Intel Xeon Gold 5218T and Intel Xeon Platinum 8256: key differences and a full specification table.

Key differences

Intel Xeon Gold 5218T has more cores (16 vs 4) and more threads (32 vs 8).

At the same time, Intel Xeon Platinum 8256 has a higher base clock (3.8 GHz vs 2.1 GHz) and a higher maximum clock (3.9 GHz vs 3.8 GHz).

Both processors match on: TDP (105 W), process node (14 nm), maximum memory size (1 TB), memory channels (6), PCIe version (3).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterIntel Xeon Gold 5218TIntel Xeon Platinum 8256
Cores / threads 16 / 32 4 / 8
Max boost clock 3.8 GHz 3.9 GHz
TDP 105 W 105 W
Process 14 nm 14 nm

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter Intel Xeon Gold 5218T Intel Xeon Platinum 8256
General
Model 5218T 8256
Codename Cascade Lake Cascade Lake
Segment Server Server
Product line Масштабируемый процессор Intel Xeon 2-го поколения Масштабируемый процессор Intel Xeon 2-го поколения
Process 14 nm 14 nm
Launch date Q2 2019 Q2 2019
Status Launched Launched
Servicing status Baseline Servicing Baseline Servicing
Embedded options available Yes No
Use conditions Communications Commercial Temp —
CPU
Cores 16 4
Threads 32 8
Multithreading (SMT/HT) Yes Yes
Base clock 2.1 GHz 3.8 GHz
Max boost clock 3.8 GHz 3.9 GHz
Cache (level unspecified) 22 MB 16.5 MB
TDP 105 W 105 W
Turbo Boost Yes (2) Yes (2)
64-bit support Yes Yes
Instruction set extensions SSE4.2, AVX, AVX2, AVX-512 SSE4.2, AVX, AVX2, AVX-512
UPI links 2 3
Memory
Max memory size 1 TB 1 TB
Memory types DDR4 DDR4
Memory channels 6 6
Max memory speed 2.667 GHz 2.933 GHz
ECC memory supported Yes Yes
Optane Persistent Memory Supported Yes Yes
I/O and interfaces
PCI Express revision 3 3
PCI Express lanes 48 48
Scalability 4S S8S
Package and thermal
Sockets supported FCLGA3647 FCLGA3647
Package size 76.0mm x 56.5mm 76.0mm x 56.5mm
TCASE 93 °C 72 °C
Security and virtualization
Virtualization (VT-x / AMD-V) Yes Yes
Virtualization for Directed I/O (VT-d) Yes Yes
Extended Page Tables (EPT) Yes Yes
AES-NI Yes Yes
Execute Disable Bit Yes Yes
Intel Trusted Execution Technology Yes Yes
Mode-based Execute Control Yes Yes
vPro Eligibility Intel vPro Platform Intel vPro Platform
Technologies
Enhanced SpeedStep Yes Yes
Transactional Synchronization Extensions Yes Yes
Deep Learning Boost Yes Yes
Volume Management Device Yes Yes
Turbo Boost Max 3.0 No No
Speed Shift Technology Yes Yes
Resource Director Technology Yes Yes
AVX-512 FMA units 1 2

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