
Xeon Gold 6209U

Xeon Gold 6256
Xeon Gold 6209U vs Xeon Gold 6256 Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Xeon Gold 6209U vs Xeon Gold 6256 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Xeon Gold 6209U vs Xeon Gold 6256: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Xeon Gold 6209U
2019Why buy it
- ✅+0.4% higher PassMark.
- ✅Draws 125W instead of 205W, a 80W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon Gold 6256 across 50 shared CPU benchmark tests.
- ❌Smaller total L3 cache (28 MB vs 33 MB).
Xeon Gold 6256
2020Why buy it
- ✅Better for gaming: +23.9% higher average FPS across 50 shared CPU benchmark tests.
- ✅+20% larger total L3 cache (33 MB vs 28 MB).
Trade-offs
- ❌Lower PassMark (25,334 vs 25,430).
- ❌64% higher power demand at 205W vs 125W.
Quick Answers
So, is Xeon Gold 6209U better than Xeon Gold 6256?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6209U vs Xeon Gold 6256 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Xeon Gold 6209U
The Xeon Gold 6209U is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 20 cores and 40 threads. Base frequency is 2.1 GHz, with boost up to 3.9 GHz. L3 cache: 27.5 MB. L2 cache: 20 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 25,430 points. Launch price was $1,350.

Xeon Gold 6256
The Xeon Gold 6256 is manufactured by Intel. It was released in 2015-01-01. It features 12 cores and 24 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 33 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 25,334 points. Launch price was $800.
Processing Power
The Xeon Gold 6209U packs 20 cores / 40 threads, while the Xeon Gold 6256 offers 12 cores / 24 threads — the Xeon Gold 6209U has 8 more cores. Boost clocks reach 3.9 GHz on the Xeon Gold 6209U versus 4.5 GHz on the Xeon Gold 6256 — a 14.3% clock advantage for the Xeon Gold 6256 (base: 2.1 GHz vs 3.6 GHz). The Xeon Gold 6209U is built on the Cascade Lake (2019−2020) architecture. In PassMark, the Xeon Gold 6209U scores 25,430 against the Xeon Gold 6256's 25,334 — a 0.4% lead for the Xeon Gold 6209U. L3 cache: 27.5 MB on the Xeon Gold 6209U vs 33 MB on the Xeon Gold 6256.
| Feature | Xeon Gold 6209U | Xeon Gold 6256 |
|---|---|---|
| Cores / Threads | 20 / 40+67% | 12 / 24 |
| Boost Clock | 3.9 GHz | 4.5 GHz+15% |
| Base Clock | 2.1 GHz | 3.6 GHz+71% |
| L3 Cache | 27.5 MB | 33 MB+20% |
| L2 Cache | 20 MB | — |
| Process | 14 nm | 14 nm |
| Architecture | Cascade Lake (2019−2020) | — |
| PassMark | 25,430 | 25,334 |
Memory & Platform
Both processors use the LGA3647 socket with PCIe 3.0.
| Feature | Xeon Gold 6209U | Xeon Gold 6256 |
|---|---|---|
| Socket | LGA3647 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
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