Intel Xeon Platinum 8444H vs Intel Xeon Gold 6444Y: comparison
Comparison of Intel Xeon Platinum 8444H and Intel Xeon Gold 6444Y: key differences and a full specification table.
Key differences
Intel Xeon Gold 6444Y has a higher base clock (3.6 GHz vs 2.9 GHz).
Both processors match on: core count (16), thread count (32), maximum clock (4 GHz), 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 Gold 6444Y |
|---|---|---|
| Cores / threads | 16 / 32 | 16 / 32 |
| Max boost clock | 4 GHz | 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 Gold 6444Y |
|---|---|---|
| General | ||
| Model | 8444H | 6444Y |
| 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 |
| Embedded options available | — | No |
| Use conditions | Server/Enterprise | Server/Enterprise |
| CPU | ||
| Cores | 16 | 16 |
| Threads | 32 | 32 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 2.9 GHz | 3.6 GHz |
| Max boost clock | 4 GHz | 4 GHz |
| Cache (level unspecified) | 45 MB | 45 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 | 3 |
| UPI speed | 16 GT/s | 16 GT/s |
| High priority cores | 0 | 4 |
| High priority core frequency | 0 MHz | 3.7 GHz |
| Low priority cores | 0 | 12 |
| Low priority core frequency | 0 MHz | 3.2 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 | 2S |
| Package and thermal | ||
| Sockets supported | FCLGA4677 | FCLGA4677 |
| Package size | 77.5mm x 56.5mm | 77.5mm x 56.5mm |
| TCASE | 72 °C | 75 °C |
| Package carrier | E1A | E1B |
| DTS max | 97 °C | 100 °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 | 128 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 | 1 default devices |
| In-memory Analytics Accelerator | 4 default devices | — |
| Advanced Matrix Extensions | Yes | Yes |
| On Demand feature activation | — | Yes |