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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

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.

Xeon Gold 5218R

2020

Xeon Gold 6256

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.

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

❌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).

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 overall CPU here. You are getting a 23.2% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Xeon Gold 6256 is the better pick here. 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 better fit. You are getting 1.3% better PassMark, backed by 12 cores and 24 threads. It also carries 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 looks like the safer overall buy. Xeon Gold 6256 is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it 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 is the more future-proof choice for 2026 and beyond. You are getting AVX-512 support for heavier modern compute workloads. That makes it the safer long-term pick.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Xeon Gold 5218R Benchmark Check

Xeon Gold 6256 Benchmark Check

Path of Exile 2

Preset	Xeon Gold 5218R	Xeon Gold 6256
1080p
low	186 FPS	191 FPS
medium	151 FPS	152 FPS
high	123 FPS	123 FPS
ultra	96 FPS	102 FPS
1440p
low	146 FPS	161 FPS
medium	115 FPS	124 FPS
high	92 FPS	99 FPS
ultra	72 FPS	84 FPS
4K
low	68 FPS	87 FPS
medium	57 FPS	73 FPS
high	45 FPS	57 FPS
ultra	36 FPS	47 FPS

Open Xeon Gold 5218R Open Xeon Gold 6256

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Xeon Gold 5218R	Xeon Gold 6256
1080p
low	212 FPS	530 FPS
medium	188 FPS	446 FPS
high	161 FPS	372 FPS
ultra	136 FPS	336 FPS
1440p
low	183 FPS	461 FPS
medium	166 FPS	398 FPS
high	143 FPS	337 FPS
ultra	120 FPS	292 FPS
4K
low	119 FPS	289 FPS
medium	109 FPS	250 FPS
high	99 FPS	230 FPS
ultra	82 FPS	201 FPS

Open Xeon Gold 5218R Open Xeon Gold 6256

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Xeon Gold 5218R	Xeon Gold 6256
1080p
low	625 FPS	633 FPS
medium	625 FPS	633 FPS
high	625 FPS	633 FPS
ultra	625 FPS	633 FPS
1440p
low	625 FPS	633 FPS
medium	625 FPS	633 FPS
high	625 FPS	633 FPS
ultra	559 FPS	608 FPS
4K
low	487 FPS	528 FPS
medium	399 FPS	431 FPS
high	352 FPS	389 FPS
ultra	287 FPS	316 FPS

Open Xeon Gold 5218R Open Xeon Gold 6256

League of Legends

League of Legends

Valorant

Preset	Xeon Gold 5218R	Xeon Gold 6256
1080p
low	625 FPS	633 FPS
medium	625 FPS	633 FPS
high	625 FPS	633 FPS
ultra	567 FPS	633 FPS
1440p
low	625 FPS	633 FPS
medium	590 FPS	633 FPS
high	508 FPS	633 FPS
ultra	440 FPS	633 FPS
4K
low	468 FPS	633 FPS
medium	419 FPS	633 FPS
high	374 FPS	560 FPS
ultra	323 FPS	437 FPS

Open Xeon Gold 5218R Open Xeon Gold 6256

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Xeon Gold 5218R and Xeon Gold 6256

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%