Intel Xeon Gold 6256 12-core LGA3647
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
35 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong feature (79th percentile) 79th
Cons
- Below average single thread (10th percentile)
- Below average platform (18th percentile)
- Below average efficiency (35th 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 | HP Xeon P67080-B21 | WowWee Xeon Gold 5120 | fosa1 fosa4ycn78izud | MSI MAG X870E Tomahawk WiFi |
|---|---|---|---|---|---|---|
| Cores | 12 | 8 | 16 | 14 | 6 | - |
| Threads | 24 | 16 | 32 | 28 | 12 | - |
| Boost Clock Mhz | 4500 | 5200 | 3900 | 3200 | 3060 | - |
| L3 Cache Mb | 33 | 96 | 37.5 | 19.25 | 12 | - |
| Tdp W | 205 | 120 | 195 | 105 | 95 | - |
| Socket | Socket 3647 | AM5 | LGA 4677 | LGA 3647 | LGA1366 | AM5 |
| 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 | 42.6 | 79.1 | 17.7 | 34.7 | 52.6 | 62.2 | 10.3 |
| AMD Ryzen 7 9800X3D Compare | 91.3 | 98.5 | 95.1 | 87.7 | 90 | 96.6 | 95.7 |
| HP Xeon P67080-B21 Compare | 91.7 | 76.9 | 90.7 | 78.2 | 90.9 | 1.5 | 80.4 |
| WowWee Xeon Gold 5120 Compare | 73.8 | 20.2 | 17.7 | 72.8 | 74.4 | 38.3 | 44.4 |
| fosa1 fosa4ycn78izud Compare | 26 | 20.2 | 65 | 24.9 | 24.8 | 65.1 | 36.4 |
| MSI MAG X870E Tomahawk WiFi Compare | 3.5 | 20.2 | 91 | 4.1 | 4.1 | 90.7 | 3.3 |
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.
