Xeon Platinum 8356H vs Platinum 8354H

Primary details

Comparing Xeon Platinum 8354H and Xeon Platinum 8356H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Cooper Lake-SP (2021)	Cooper Lake-SP (2021)
Release date	6 April 2021 (3 years ago)	6 April 2021 (3 years ago)

Detailed specifications

Xeon Platinum 8354H and Xeon Platinum 8356H basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	18 (Octadeca-Core)	8 (Octa-Core)
Threads	36	16
Base clock speed	3.1 GHz	3.9 GHz
Boost clock speed	4.3 GHz	4.4 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	24.75 MB (shared)	35.75 MB (shared)
Chip lithography	14 nm	14 nm
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon Platinum 8354H and Xeon Platinum 8356H compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	8	8
Socket	FCLGA4189	FCLGA4189
Power consumption (TDP)	205 Watt	190 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8354H and Xeon Platinum 8356H. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Hyper-Threading Technology	+	+
TSX	+	+
Deep Learning Boost	+	+

Security technologies

Xeon Platinum 8354H and Xeon Platinum 8356H technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8354H and Xeon Platinum 8356H are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8354H and Xeon Platinum 8356H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 RDIMM	DDR4 RDIMM
Maximum memory size	1.12 TB	1.12 TB
Max memory channels	6	6
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8354H and Xeon Platinum 8356H.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Physical cores	18	8
Threads	36	16
Power consumption (TDP)	205 Watt	190 Watt

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