Intel Xeon Platinum 8444H vs Intel Xeon Platinum 8454H: comparison
Comparison of Intel Xeon Platinum 8444H and Intel Xeon Platinum 8454H: key differences and a full specification table.
Key differences
Intel Xeon Platinum 8444H has a higher base clock (2.9 GHz vs 2.1 GHz) and a higher maximum clock (4 GHz vs 3.4 GHz).
At the same time, Intel Xeon Platinum 8454H has more cores (32 vs 16) and more threads (64 vs 32).
Both processors match on: TDP (270 W), maximum memory size (4 TB), memory channels (8), PCIe version (5).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Xeon Platinum 8444H | Intel Xeon Platinum 8454H |
|---|---|---|
| Cores / threads | 16 / 32 | 32 / 64 |
| Max boost clock | 4 GHz | 3.4 GHz |
| TDP | 270 W | 270 W |
| Process | Intel 7 | Intel 7 |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Xeon Platinum 8444H | Intel Xeon Platinum 8454H |
|---|---|---|
| General | ||
| Model | 8444H | 8454H |
| Codename | Sapphire Rapids | Sapphire Rapids |
| Segment | Server | Server |
| Product line | 4th Generation Intel Xeon Scalable Processors | 4th Generation Intel Xeon Scalable Processors |
| Process | Intel 7 | Intel 7 |
| Launch date | Q1 2023 | Q1 2023 |
| Status | Launched | Launched |
| Use conditions | Server/Enterprise | Server/Enterprise |
| CPU | ||
| Cores | 16 | 32 |
| Threads | 32 | 64 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 2.9 GHz | 2.1 GHz |
| Max boost clock | 4 GHz | 3.4 GHz |
| Cache (level unspecified) | 45 MB | 82.5 MB |
| TDP | 270 W | 270 W |
| Turbo Boost | Yes (2) | Yes (2) |
| 64-bit support | Yes | Yes |
| Instruction set extensions | AMX, SSE4.2, AVX, AVX2, AVX-512 | AMX, SSE4.2, AVX, AVX2, AVX-512 |
| UPI links | 4 | 4 |
| UPI speed | 16 GT/s | 16 GT/s |
| High priority cores | 0 | 12 |
| High priority core frequency | 0 MHz | 2.2 GHz |
| Low priority cores | 0 | 20 |
| Low priority core frequency | 0 MHz | 1.8 GHz |
| Memory | ||
| Max memory size | 4 TB | 4 TB |
| Memory types | DDR5 | DDR5 |
| Memory channels | 8 | 8 |
| ECC memory supported | Yes | Yes |
| I/O and interfaces | ||
| PCI Express revision | 5 | 5 |
| PCI Express lanes | 80 | 80 |
| Scalability | S8S | S8S |
| Package and thermal | ||
| Sockets supported | FCLGA4677 | FCLGA4677 |
| Package size | 77.5mm x 56.5mm | 77.5mm x 56.5mm |
| TCASE | 72 °C | 71 °C |
| Package carrier | E1A | E1A |
| DTS max | 97 °C | 97 °C |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| Extended Page Tables (EPT) | Yes | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | Yes | Yes |
| Intel OS Guard | Yes | Yes |
| Intel Boot Guard | Yes | Yes |
| Intel Software Guard Extensions | Yes | Yes |
| Max enclave page cache size (SGX) | 512 GB | 512 GB |
| Mode-based Execute Control | Yes | Yes |
| Control-Flow Enforcement Technology | Yes | Yes |
| Total Memory Encryption | Yes | Yes |
| Platform Firmware Resilience | Yes | Yes |
| Crypto Acceleration | Yes | Yes |
| QuickAssist Software Acceleration | Yes | Yes |
| Technologies | ||
| Transactional Synchronization Extensions | Yes | Yes |
| Deep Learning Boost | Yes | Yes |
| Speed Shift Technology | Yes | Yes |
| Resource Director Technology | Yes | Yes |
| AVX-512 FMA units | 2 | 2 |
| Data Streaming Accelerator | 4 default devices | 4 default devices |
| QuickAssist Technology | — | 4 default devices |
| Dynamic Load Balancer | — | 4 default devices |
| In-memory Analytics Accelerator | 4 default devices | 4 default devices |
| Advanced Matrix Extensions | Yes | Yes |