Intel® Xeon™ Platinum 9221
The Intel Xeon Platinum 9221 is a server processor released on July 1, 2019, built on the Cascade Lake architecture using a 14 nm process. It has 32 cores and 64 threads, a base clock of 2.30 GHz, a maximum boost of 3.70 GHz, 72 MB of L3 cache, a 250 W TDP and the FCBGA5903 socket.
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Overview
SummaryThe Intel Xeon Platinum 9221 is a server processor with 32 cores and 64 threads, built on the Cascade Lake architecture. It launched in Jul 2019. Clocks run from 2.3 GHz base to 3.7 GHz boost. A 71.5-MB L3 cache backs the cores (3.2 MB per core). It supports DDR4 memory. It uses the FCBGA5903 socket. Rated TDP is 250 W. Notable platform capabilities: AVX-512, Extended Page Tables (EPT).
Core Configuration
5 specsThe Intel Xeon Platinum 9221 has 32 physical cores and runs 64 logical threads. It runs 2 threads per core. It runs at a base clock of 2.30 GHz and boosts up to 3.70 GHz.
Architecture & Generation
8 specsThe Intel Xeon Platinum 9221 is a server processor, belongs to the Intel Xeon Platinum family, uses the Cascade Lake architecture, carries the codename Cascade Lake and is manufactured on a 14 nm process. It launched in Jul 2019.
Cache
4 specsThe Intel Xeon Platinum 9221 has 32 MB of L2 cache and 71.5 MB of L3 cache. That adds up to about 103.5 MB of cache, or 3.23 MB per core. Feex has no recorded L1 cache size for this processor.
Cache Hierarchy
2 levelsThe Intel Xeon Platinum 9221 has a 2-level cache hierarchy: L2 at 32 MB and L3 at 71.5 MB. L3 is the largest level and makes up about 69% of the cache listed here.
Memory Support
7 specsThe Intel Xeon Platinum 9221 supports DDR4 memory, uses 12 memory channels, runs memory at up to 2,933 MT/s and delivers up to 281.6 GB/s of memory bandwidth. It does not support DDR5 and LPDDR memory.
Graphics
1 specThe Intel Xeon Platinum 9221 does not include integrated graphics, so a discrete graphics card is required for display output.
Platform & Compatibility
1 specThe Intel Xeon Platinum 9221 uses the FCBGA5903 socket.
Power & Thermals
1 specThe Intel Xeon Platinum 9221 has a rated TDP of 250 W.
Platform Capabilities
16 supported, 1 not supportedInstruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.
Instruction Sets
7 supportedSecurity and Reliability
5 supportedVirtualization
3 supportedOS Compatibility
1 supportedThe Intel Xeon Platinum 9221 supports AES-NI, AVX-512, AVX2, AVX, FMA, SHA and 64-bit (x86-64) among its instruction set features. It does not support AMX. Feex has no record for AVX-VNNI, CET, CET-IBT, CET-SS, FMA3 and Hyper-Threading, which is different from being unsupported.
The Intel Xeon Platinum 9221 supports Execute Disable (NX), Boot Guard, SGX, Trusted Execution and Mode-Based Execute Control among its security features. Feex has no record for AES-NI, Control-flow Enforcement (CET), Hardware RNG, Hardware Shield, OS Guard and OS Guard (SMAP), which is different from being unsupported.
The Intel Xeon Platinum 9221 supports Extended Page Tables (EPT), VT-d (DMA Remapping) and VT-x (Hardware Virtualization) among its virtualization features. Feex has no record for VT-x with EPT, IOMMU, Second-Level Address Translation and Unrestricted Guest, which is different from being unsupported.
Feex records the Intel Xeon Platinum 9221 as Windows 11 eligible.
Naming & Aliases
3 specsThe Intel Xeon Platinum 9221 is also identified by the model number 9221.
Real-world compute in the Feex fleet
No machines yetNo Feex fleet machines with the Intel Xeon Platinum 9221 have reported compute telemetry yet, so real-world compute for this processor is not recorded.
Data Coverage
37% recordedFeex has recorded 37% of the specifications it tracks for the Intel Xeon Platinum 9221. Values Feex does not hold are shown as "Not recorded" rather than estimated.
Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L1 Cache (Total), L2 Cache (per Core) and L4 Cache. Memory Support: ECC Memory. Platform & Compatibility: Package, Package Size and PCIe Lanes. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count, Foundry and Launch Price. Naming & Aliases: Normalized Name, SKU, Processor Number and Part Number. Performance: single-core and multi-core ratings and all computed performance metrics.
Common questions
11 answeredHow many cores and threads does the Intel Xeon Platinum 9221 have?
The Intel Xeon Platinum 9221 has 32 cores and 64 threads.
What architecture does the Intel Xeon Platinum 9221 use?
The Intel Xeon Platinum 9221 is built on the Cascade Lake architecture.
Does the Intel Xeon Platinum 9221 have integrated graphics?
No. The Intel Xeon Platinum 9221 does not include integrated graphics.
What socket does the Intel Xeon Platinum 9221 use?
The Intel Xeon Platinum 9221 uses the FCBGA5903 socket.
What memory does the Intel Xeon Platinum 9221 support?
The Intel Xeon Platinum 9221 supports DDR4 across 12 channels.
How fast does the Intel Xeon Platinum 9221 run?
The Intel Xeon Platinum 9221 can boost up to 3.7 GHz, with a 2.3 GHz base clock.
What is the TDP of the Intel Xeon Platinum 9221?
The Intel Xeon Platinum 9221 has a TDP of 250 W.
What advanced capabilities does the Intel Xeon Platinum 9221 support?
Notable platform capabilities reported for the Intel Xeon Platinum 9221 include AVX-512, Extended Page Tables (EPT).
What is the Intel Xeon Platinum 9221 best for?
Based on its specifications, the Intel Xeon Platinum 9221 is well suited for Heavy parallel simulation & compilation, Server / professional infrastructure.
How much cache does the Intel Xeon Platinum 9221 have?
The Intel Xeon Platinum 9221 has 32768 KB of L2 cache and 71.5 MB of L3 cache.
Which features does the Intel Xeon Platinum 9221 not support?
The Intel Xeon Platinum 9221 does not support AMX.