Xeon Platinum 8353H vs Platinum 8156

Primary details

Comparing Xeon Platinum 8156 and Xeon Platinum 8353H processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance 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	Skylake (server) (2017−2019)	Cooper Lake-SP (2021)
Release date	25 April 2017 (7 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$7,007	no data
Current price	$1260 (0.2x MSRP)	no data

Detailed specifications

Xeon Platinum 8156 and Xeon Platinum 8353H 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	4 (Quad-Core)	18 (Octadeca-Core)
Threads	8	36
Base clock speed	3.6 GHz	2.5 GHz
Boost clock speed	3.7 GHz	3.8 GHz
L1 cache	256 KB	64K (per core)
L2 cache	4 MB	1 MB (per core)
L3 cache	16.5 MB	24.75 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	71 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon Platinum 8156 and Xeon Platinum 8353H 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)	105 Watt	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8156 and Xeon Platinum 8353H. 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	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	no data
Status	Discontinued	Launched

Security technologies

Xeon Platinum 8156 and Xeon Platinum 8353H technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8156 and Xeon Platinum 8353H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8156 and Xeon Platinum 8353H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4 RDIMM
Maximum memory size	768 GB	1.12 TB
Max memory channels	6	6
Maximum memory bandwidth	128.001 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8156 and Xeon Platinum 8353H.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Recency	25 April 2017	6 April 2021
Physical cores	4	18
Threads	8	36
Power consumption (TDP)	105 Watt	150 Watt

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Should you still have questions on choice between Xeon Platinum 8156 and Xeon Platinum 8353H, ask them in Comments section, and we shall answer.

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