EPYC 7643P vs Xeon Platinum 8353H

Primary details

Comparing Xeon Platinum 8353H and EPYC 7643P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	48
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	13.48
Market segment	Server	Server
Architecture codename	Cooper Lake-SP (2021)	Milan (2021−2023)
Release date	6 April 2021 (3 years ago)	5 September 2023 (1 year ago)
Launch price (MSRP)	no data	$2,722

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8353H and EPYC 7643P 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)	48 (Octatetraconta-Core)
Threads	36	96
Base clock speed	2.5 GHz	2.3 GHz
Boost clock speed	3.8 GHz	3.6 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	512 KB (per core)
L3 cache	24.75 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm
Die size	no data	8x 81 mm2
Number of transistors	no data	33,200 million
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon Platinum 8353H and EPYC 7643P 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	1
Socket	FCLGA4189	SP3
Power consumption (TDP)	150 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8353H and EPYC 7643P. 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	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Status	Launched	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Xeon Platinum 8353H and EPYC 7643P technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8353H and EPYC 7643P are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8353H and EPYC 7643P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 RDIMM	DDR4
Maximum memory size	1.12 TB	no data
Max memory channels	6	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8353H and EPYC 7643P.

PCIe version	3.0	4.0
PCI Express lanes	48	128

Pros & cons summary

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Recency	6 April 2021	5 September 2023
Physical cores	18	48
Threads	36	96
Chip lithography	14 nm	7 nm
Power consumption (TDP)	150 Watt	225 Watt

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