Ryzen 9 5900X vs Xeon Platinum 9221

Primary details

Comparing Xeon Platinum 9221 and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	201
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	30.72
Market segment	Server	Desktop processor
Series	Intel Xeon Platinum	AMD Ryzen 9
Power efficiency	no data	22.19
Architecture codename	Cascade Lake-AP (2019)	Vermeer (Zen3) (2020−2022)
Release date	2 April 2019 (5 years ago)	8 October 2020 (4 years ago)
Launch price (MSRP)	no data	$549

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 9221 and Ryzen 9 5900X 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)	12 (Dodeca-Core)
Threads	64	24
Base clock speed	2.3 GHz	3.7 GHz
Boost clock speed	3.7 GHz	4.8 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	21	37
L1 cache	2 MB	768 KB
L2 cache	32 MB	6 MB
L3 cache	71.5 MB (shared)	64 MB
Chip lithography	14 nm	7 nm, 12 nm
Die size	no data	2x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	8,000 million	0 Million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Platinum 9221 and Ryzen 9 5900X 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	Intel BGA5903	AM4
Power consumption (TDP)	250 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9221 and Ryzen 9 5900X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Precision Boost 2	no data	+

Security technologies

Xeon Platinum 9221 and Ryzen 9 5900X technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9221 and Ryzen 9 5900X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9221 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-3200
Maximum memory size	2 TiB	128 GB
Max memory channels	12	2
Maximum memory bandwidth	281.6 GB/s	51.196 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 9221 and Ryzen 9 5900X.

PCIe version

3.0

4.0

Pros & cons summary

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Recency	2 April 2019	8 October 2020
Physical cores	32	12
Threads	64	24
Chip lithography	14 nm	7 nm
Power consumption (TDP)	250 Watt	105 Watt

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