Xeon Platinum 8452Y vs Platinum 9221

Primary details

Comparing Xeon Platinum 9221 and Xeon Platinum 8452Y 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	Cascade Lake-AP (2019)	Sapphire Rapids
Release date	2 April 2019 (5 years ago)	10 January 2023 (1 year ago)

Detailed specifications

Xeon Platinum 9221 and Xeon Platinum 8452Y 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	32 (Dotriaconta-Core)	36
Threads	64	72
Base clock speed	2.1 GHz	2 GHz
Boost clock speed	2.1 GHz	3.2 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	2 MB	80K (per core)
L2 cache	32 MB	2 MB (per core)
L3 cache	71.5 MB (shared)	67.5 MB
Chip lithography	14 nm	10 nm
Die size	no data	4x 477 mm2
Maximum case temperature (TCase)	no data	75 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Platinum 9221 and Xeon Platinum 8452Y 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	2
Socket	Intel BGA5903	4677
Power consumption (TDP)	250 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9221 and Xeon Platinum 8452Y. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
TSX	+	+

Security technologies

Xeon Platinum 9221 and Xeon Platinum 8452Y technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9221 and Xeon Platinum 8452Y are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9221 and Xeon Platinum 8452Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-4800
Maximum memory size	2 TiB	no data
Max memory channels	12	no data
Maximum memory bandwidth	281.6 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 9221 and Xeon Platinum 8452Y.

PCIe version	3.0	5.0
PCI Express lanes	no data	80

Pros & cons summary

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Recency	2 April 2019	10 January 2023
Physical cores	32	36
Threads	64	72
Chip lithography	14 nm	10 nm
Power consumption (TDP)	250 Watt	300 Watt

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Should you still have questions on choice between Xeon Platinum 9221 and Xeon Platinum 8452Y, ask them in Comments section, and we shall answer.

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