Product Compare
Intel Xeon 656 vs Intel Xeon 678X
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Feb 2026 | Feb 2026 |
| Manufacturer | Intel | Intel |
| Type | Server | Server |
| Core Architecture | Granite Rapids | Granite Rapids |
| Integrated Graphics | N/A | N/A |
| Generation | Xeon 600 (Granite Rapids-WS) | Xeon 600 (Granite Rapids-WS) |
| Series | Intel Xeon 6 processors | Intel Xeon 6 processors |
| Package | ||
| Manufacturing Process | 5 nm | 5 nm |
| Socket | Intel Socket 4710 | Intel Socket 4710 |
| Power Consumption | 210 W | 300 W |
| Peak Operating Temperature | 98°C | 98°C |
| Foundry | Intel | Intel |
| Die Size | 2x598 mm² | 2x598 mm² |
| I/O Process Size | 10 nm | 10 nm |
| I/O Die Size | 2x 241 | 2x 241 |
| Package | FC-LGA18N | FC-LGA18N |
| CPU Performance | ||
| Performance Cores | 20 | 48 |
| Performance Core Threads | 40 | 96 |
| Performance Core Base Frequency | 2.9 GHz | 2.4 GHz |
| Performance Core Turbo Frequency | 4.8 GHz | 4.9 GHz |
| Total Core Count | 20 | 48 |
| Total Thread Count | 40 | 96 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 29.0 | 24.0 |
| L1 Cache | 112 KB per core | 112 KB per core |
| L2 Cache | 2 MB per core | 2 MB per core |
| L3 Cache | 72 MB shared | 192 MB shared |
| Unlocked Multiplier | Yes | Yes |
| SMP | 1 | 1 |
| Memory Parameters | ||
| Memory Types | DDR5-6400 | DDR5-6400 |
| Max Memory Size | 4 TB | 4 TB |
| Max Memory Channels | 8 | 8 |
| Max Memory Bandwidth | 409.6 GB/s | 409.6 GB/s |
| ECC Memory Support | Yes | Yes |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 5 | 5 |
| PCIe Lanes | 128 | 128 |