Xeon Platinum 8356H vs Platinum 8276M

Primary details

Comparing Xeon Platinum 8276M 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
Series	Intel Xeon Platinum	no data
Architecture codename	Cascade Lake (2019−2020)	Cooper Lake-SP (2021)
Release date	2 April 2019 (5 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$11,722	no data

Detailed specifications

Xeon Platinum 8276M 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	28 (Octacosa-Core)	8 (Octa-Core)
Threads	56	16
Base clock speed	2.2 GHz	3.9 GHz
Boost clock speed	4 GHz	4.4 GHz
Multiplier	22	no data
L1 cache	1.75 MB	64K (per core)
L2 cache	28 MB	1 MB (per core)
L3 cache	38.5 MB	35.75 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	89 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon Platinum 8276M 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 (Multiprocessor)	8
Socket	FCLGA3647	FCLGA4189
Power consumption (TDP)	165 Watt	190 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8276M and Xeon Platinum 8356H. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	+

Security technologies

Xeon Platinum 8276M 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 8276M 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 8276M and Xeon Platinum 8356H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4 RDIMM
Maximum memory size	2 TB	1.12 TB
Max memory channels	6	6
Maximum memory bandwidth	140.8 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8276M and Xeon Platinum 8356H.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Recency	2 April 2019	6 April 2021
Physical cores	28	8
Threads	56	16
Power consumption (TDP)	165 Watt	190 Watt

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Should you still have questions on choice between Xeon Platinum 8276M and Xeon Platinum 8356H, ask them in Comments section, and we shall answer.

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