Intel Xeon Gold 6256 12-core Socket 3647
The 4.5GHz boost clock across 12 cores makes this 14nm Xeon stand out for latency-sensitive server tasks that benefit from high single-thread speed alongside moderate multi-threading. Its 33MB L3 cache and Socket 3647 compatibility provide a straightforward upgrade path for existing 2nd Gen Xeon infrastructure. This processor is best for IT administrators refreshing legacy servers that require strong per-core performance for lightly threaded enterprise applications.
Cores 12
Threads 24
Boost Clock 4500 MHz
L3 Cache 33 MB
TDP 205 W
Socket Socket 3647
36 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong feature (79th percentile) 79th
Cons
- Below average single thread (11th percentile)
- Below average platform (18th percentile)
The proof
Performance
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Xeon Gold |
| Model | 6256 |
| Class | server |
| Process | 14 |
Cores & Clocks
| Cores | 12 |
| Threads | 24 |
| Base Clock | 3600 |
| Boost Clock | 4500 |
Cache
| L2 Cache | 12 |
| L3 Cache | 33 MB |
Performance
| PassMark Multi | 7363 |
| PassMark Single | 259 |
Platform & Power
| Socket | Socket 3647 |
| TDP | 205 |
| Unlocked | Yes |
vs Competition
| Spec | Intel Xeon Gold 6256 | AMD Ryzen 7 9800X3D | Hewlett Packard Enterprise Xeon P67080-B21 | MSI MAG X870E Tomahawk WiFi | Thermal Grizzly Ryzen 7 CSF-AM5 | Expert X6AIR |
|---|---|---|---|---|---|---|
| Cores | 12 | 8 | 16 | - | - | - |
| Threads | 24 | 16 | 32 | - | - | - |
| Boost Clock Mhz | 4500 | 5200 | 3900 | - | - | - |
| L3 Cache Mb | 33 | 96 | 37.5 | - | - | - |
| Tdp W | 205 | 120 | 195 | - | - | - |
| Socket | Socket 3647 | AM5 | LGA 4677 | AM5 | AM5 | BGA |
| Integrated Graphics | - | AMD Radeon Graphics | No | - | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Single Thread |
|---|---|---|---|---|---|---|---|
| Intel Xeon Gold 6256 | 43.2 | 79.3 | 17.9 | 35.4 | 53 | 61.1 | 10.8 |
| AMD Ryzen 7 9800X3D Compare | 91.4 | 98.5 | 95.2 | 87.8 | 90 | 96.5 | 95.7 |
| Hewlett Packard Enterprise Xeon P67080-B21 Compare | 91.8 | 77.1 | 90.7 | 78.2 | 90.8 | 0 | 80.6 |
| MSI MAG X870E Tomahawk WiFi Compare | 3.9 | 20.4 | 91 | 4.4 | 4.4 | 90.4 | 3.6 |
| Thermal Grizzly Ryzen 7 CSF-AM5 Compare | 3.9 | 20.4 | 17.9 | 4.4 | 4.4 | 96.5 | 3.6 |
| Expert X6AIR Compare | 3.9 | 20.4 | 17.9 | 4.4 | 4.4 | 70.8 | 15.7 |
Price
Value & Pricing
We started tracking prices for this product on Jun 15, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
