Xeon Gold 5218R vs Xeon Gold 6256

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 5218R 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 5218R 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 5218R

2020

Why buy it

✅Draws 125W instead of 205W, a 80W reduction.
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Gold 6256 across 50 shared CPU benchmark tests.
❌Lower PassMark (25,000 vs 25,334).
❌Smaller total L3 cache (28 MB vs 33 MB).

Xeon Gold 6256

2020

Why buy it

✅Better for gaming: +23.2% higher average FPS across 50 shared CPU benchmark tests.
✅+20% larger total L3 cache (33 MB vs 28 MB).

Trade-offs

❌64% higher power demand at 205W vs 125W.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Quick Answers

So, is Xeon Gold 6256 better than Xeon Gold 5218R?

Yes. Xeon Gold 6256 is the better all-around CPU here. It gives you a 23.2% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon Gold 6256 is the better pick. According to our tests, it delivers 23.2% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon Gold 6256 is the stronger fit. You are getting 1.3% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 20% larger total L3 cache (33 MB vs 28 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Xeon Gold 6256 still makes the most sense overall. Xeon Gold 6256 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 23.2% average FPS lead across 50 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Xeon Gold 5218R makes more sense long term for 2026 and beyond. You are getting AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Xeon Gold 5218R vs Xeon Gold 6256 Technical Specifications

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

Xeon Gold 5218R

The Xeon Gold 5218R is manufactured by Intel. It was released in 24 February 2020 (5 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 4 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: DDR4-2667. Passmark benchmark score: 25,000 points. Launch price was $1,273.

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.

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Processing Power

The Xeon Gold 5218R packs 20 cores / 40 threads, while the Xeon Gold 6256 offers 12 cores / 24 threads — the Xeon Gold 5218R has 8 more cores. Boost clocks reach 4 GHz on the Xeon Gold 5218R versus 4.5 GHz on the Xeon Gold 6256 — a 11.8% clock advantage for the Xeon Gold 6256 (base: 2.1 GHz vs 3.6 GHz). The Xeon Gold 5218R is built on the Cascade Lake (2019−2020) architecture. In PassMark, the Xeon Gold 5218R scores 25,000 against the Xeon Gold 6256's 25,334 — a 1.3% lead for the Xeon Gold 6256. L3 cache: 27.5 MB on the Xeon Gold 5218R vs 33 MB on the Xeon Gold 6256.

Feature	Xeon Gold 5218R	Xeon Gold 6256
Cores / Threads	20 / 40+67%	12 / 24
Boost Clock	4 GHz	4.5 GHz+13%
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	25,000	25,334+1%