Intel Xeon Gold 5418N vs Intel Xeon Gold 5423N: comparison
Comparison of Intel Xeon Gold 5418N and Intel Xeon Gold 5423N: key differences and a full specification table.
Key differences
Intel Xeon Gold 5418N has more cores (24 vs 20), more threads (48 vs 40) and a newer PCIe version (5 vs 4).
At the same time, Intel Xeon Gold 5423N has a higher base clock (2.1 GHz vs 1.8 GHz), a higher maximum clock (4 GHz vs 3.8 GHz) and a lower TDP (145 W vs 165 W).
Both processors match on: maximum memory size (4 TB), memory channels (8).
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 Gold 5418N | Intel Xeon Gold 5423N |
|---|---|---|
| Cores / threads | 24 / 48 | 20 / 40 |
| Max boost clock | 3.8 GHz | 4 GHz |
| TDP | 165 W | 145 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 Gold 5418N | Intel Xeon Gold 5423N |
|---|---|---|
| General | ||
| Model | 5418N | 5423N |
| Codename | Sapphire Rapids | Sapphire Rapids Edge Enhanced |
| 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 | Yes | Yes |
| Use conditions | Server/Enterprise | — |
| CPU | ||
| Cores | 24 | 20 |
| Threads | 48 | 40 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 1.8 GHz | 2.1 GHz |
| Max boost clock | 3.8 GHz | 4 GHz |
| Cache (level unspecified) | 45 MB | 37.5 MB |
| TDP | 165 W | 145 W |
| Turbo Boost | Yes (2) | Yes (2) |
| 64-bit support | Yes | Yes |
| Instruction set extensions | AMX, SSE4.2, AVX, AVX2, AVX-512 | SSE4.2, AVX, AVX2, AVX-512 |
| UPI links | 3 | — |
| UPI speed | 16 GT/s | — |
| High priority cores | 8 | — |
| High priority core frequency | 2 GHz | — |
| Low priority cores | 16 | — |
| Low priority core frequency | 1.6 GHz | — |
| Memory | ||
| Max memory size | 4 TB | 4 TB |
| Memory types | DDR5 | DDR5 |
| Memory channels | 8 | 8 |
| Max memory speed | — | 4 GHz |
| ECC memory supported | Yes | Yes |
| Optane Persistent Memory Supported | — | No |
| I/O and interfaces | ||
| PCI Express revision | 5 | 4 |
| PCI Express lanes | 80 | 48 |
| Scalability | 2S | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA4677 | FCLGA4677 |
| Package size | 77.5mm x 56.5mm | 77.5mm x 56.5mm |
| TCASE | 84 °C | 83 °C |
| Package carrier | E1B | E1B |
| DTS max | 95 °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) | 128 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 | 1 default devices | 1 default devices |
| QuickAssist Technology | 2 default devices | 0 default devices |
| Dynamic Load Balancer | 2 default devices | 0 default devices |
| In-memory Analytics Accelerator | — | 0 default devices |
| Advanced Matrix Extensions | Yes | No |
| On Demand feature activation | Yes | Yes |