Xeon Platinum 9221 vs EPYC 9684X
Primary details
Comparing EPYC 9684X and Xeon Platinum 9221 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 6 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | Intel Xeon Platinum |
| Power efficiency | 17.95 | no data |
| Architecture codename | Genoa-X (2023) | Cascade Lake-AP (2019) |
| Release date | 13 June 2023 (1 year ago) | 2 April 2019 (5 years ago) |
| Launch price (MSRP) | $14,756 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 9684X and Xeon Platinum 9221 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 | 96 | 32 (Dotriaconta-Core) |
| Threads | 192 | 64 |
| Base clock speed | 2.55 GHz | 2.3 GHz |
| Boost clock speed | 3.7 GHz | 3.7 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 21 |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 1152 MB (shared) | 71.5 MB (shared) |
| Chip lithography | 5 nm | 14 nm |
| Die size | 12x 72 mm2 | no data |
| Number of transistors | 135,240 million | 8,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on EPYC 9684X and Xeon Platinum 9221 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 | 2 | 8 |
| Socket | SP5 | Intel BGA5903 |
| Power consumption (TDP) | 400 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9684X and Xeon Platinum 9221. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
EPYC 9684X and Xeon Platinum 9221 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9684X and Xeon Platinum 9221 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 EPYC 9684X and Xeon Platinum 9221. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4-2933 |
| Maximum memory size | no data | 2 TiB |
| Max memory channels | no data | 12 |
| Maximum memory bandwidth | no data | 281.6 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by EPYC 9684X and Xeon Platinum 9221.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Recency | 13 June 2023 | 2 April 2019 |
| Physical cores | 96 | 32 |
| Threads | 192 | 64 |
| Chip lithography | 5 nm | 14 nm |
| Power consumption (TDP) | 400 Watt | 250 Watt |
EPYC 9684X has an age advantage of 4 years, 200% more physical cores and 200% more threads, and a 180% more advanced lithography process.
Xeon Platinum 9221, on the other hand, has 60% lower power consumption.
We couldn't decide between EPYC 9684X and Xeon Platinum 9221. We've got no test results to judge.
Should you still have questions on choice between EPYC 9684X and Xeon Platinum 9221, ask them in Comments section, and we shall answer.
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