Xeon Platinum 8368 vs Platinum 9221

Primary details

Comparing Xeon Platinum 9221 and Xeon Platinum 8368 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	20
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	no data
Power efficiency	no data	20.31
Architecture codename	Cascade Lake-AP (2019)	Ice Lake-SP (2021)
Release date	2 April 2019 (5 years ago)	6 April 2021 (3 years ago)

Detailed specifications

Xeon Platinum 9221 and Xeon Platinum 8368 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)	38
Threads	64	76
Base clock speed	2.3 GHz	2.4 GHz
Boost clock speed	3.7 GHz	3.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	21	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	71.5 MB (shared)	57 MB (shared)
Chip lithography	14 nm	10 nm
Maximum case temperature (TCase)	no data	83 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Platinum 9221 and Xeon Platinum 8368 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	FCLGA4189
Power consumption (TDP)	250 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9221 and Xeon Platinum 8368. 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	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Deep Learning Boost	-	+

Security technologies

Xeon Platinum 9221 and Xeon Platinum 8368 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9221 and Xeon Platinum 8368 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9221 and Xeon Platinum 8368. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-3200
Maximum memory size	2 TiB	6 TB
Max memory channels	12	8
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 8368.

PCIe version	3.0	4.0
PCI Express lanes	no data	64

Pros & cons summary

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Recency	2 April 2019	6 April 2021
Physical cores	32	38
Threads	64	76
Chip lithography	14 nm	10 nm
Power consumption (TDP)	250 Watt	270 Watt

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