Intel Xeon Platinum 9221: specs and benchmarks

Intel Xeon Platinum 9221


Intel started Intel Xeon Platinum 9221 sales 2 April 2019. This is Cascade Lake architecture desktop processor primarily aimed at professional systems. It has 32 cores and 64 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 3700 MHz and a locked multiplier.

Compatibility-wise, this is Intel BGA5903 processor with a TDP of 250 Watt. It supports DDR4-2933 memory.

We have no data on Xeon Platinum 9221 benchmark results.

General info

Of Xeon Platinum 9221 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
not rated
Market segment
Intel Xeon Platinum
Architecture codename
Cascade Lake
Release date
2 April 2019

Technical specs

Xeon Platinum 9221's quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Xeon Platinum 9221's performance, but to be more precise you have to review its test results.
Number of cores
Number of threads
Base frequency
2.3 GHz
of 4.7 (FX-9590)
Maximum frequency
3.7 GHz
Bus support
4 × 8 GT/s
L1 cache
64K (per core)
of 896 (Atom C3950)
L2 cache
1 MB (per core)
L3 cache
71.5 MB (shared)
Manufacturing process technology
14 nm
of 5 (Apple M1)
Transistor count
8,000 million
of 19200 (Ryzen 9 3800X)
64 bit support


Information on Xeon Platinum 9221 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
Intel BGA5903
Power consumption (TDP)
250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9221. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® AVX-512
Speed Shift
Turbo Boost

Security technologies

Xeon Platinum 9221 technologies aimed at raising security, for example, by protecting against hacks.

Virtualization technologies

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

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon Platinum 9221.
Supported memory types
of 4266 (Ryzen 9 4900H)
Maximum memory size
2 TiB
Max memory channels
Maximum memory bandwidth
281.6 GB/s
ECC memory support

Other CPUs

User rating

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