Xeon Gold 6209U vs Xeon Gold 6256

Intel

Xeon Gold 6209U

20 Cores40 Thrd125 WWMax: 3.9 GHz2019
Similar parts
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VS
Intel

Xeon Gold 6256

12 Cores24 Thrd205 WWMax: 4.5 GHz2020
Similar parts
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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.

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

2019

Why 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

2020

Why 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?
It depends on what you want from the system. For gaming, Xeon Gold 6256 is ahead with a 23.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6209U pulls ahead with 0.4% better PassMark. Xeon Gold 6256 also has the bigger cache pool with 20% larger total L3 cache (33 MB vs 28 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Gold 6209U is the stronger fit. You are getting 0.4% better PassMark, backed by 20 cores and 40 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon Gold 6209U still makes the most sense overall. Xeon Gold 6209U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6256 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019) and 20% larger total L3 cache (33 MB vs 28 MB). That makes it the safer long-term bet.

Xeon Gold 6209U vs Xeon Gold 6256 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

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.

Intel

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.

FeatureXeon Gold 6209UXeon 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
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Memory & Platform

Both processors use the LGA3647 socket with PCIe 3.0.

FeatureXeon Gold 6209UXeon Gold 6256
Socket
LGA3647
LGA3647
PCIe Generation
PCIe 3.0
PCIe 3.0