Xeon Gold 6421N vs Xeon Gold 6542Y

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 6421N

2023

Why buy it

✅Costs $510 less on MSRP ($2,368 MSRP vs $2,878 MSRP).
✅Delivers 18.8% more PassMark for each dollar spent, at 24.8 vs 20.9 PassMark/$ ($2,368 MSRP vs $2,878 MSRP).
✅Draws 185W instead of 250W, a 65W reduction.

Trade-offs

❌Lower PassMark (58,797 vs 60,144).

Xeon Gold 6542Y

2023

Why buy it

Trade-offs

❌Lower PassMark per dollar, at 20.9 vs 24.8 PassMark/$ ($2,878 MSRP vs $2,368 MSRP).
❌35.1% higher power demand at 250W vs 185W.

Xeon Gold 6421N

2023

Xeon Gold 6542Y

2023

Why buy it

✅Costs $510 less on MSRP ($2,368 MSRP vs $2,878 MSRP).
✅Delivers 18.8% more PassMark for each dollar spent, at 24.8 vs 20.9 PassMark/$ ($2,368 MSRP vs $2,878 MSRP).
✅Draws 185W instead of 250W, a 65W reduction.

Why buy it

Trade-offs

❌Lower PassMark (58,797 vs 60,144).

Trade-offs

❌Lower PassMark per dollar, at 20.9 vs 24.8 PassMark/$ ($2,878 MSRP vs $2,368 MSRP).
❌35.1% higher power demand at 250W vs 185W.

Quick Answers

So, is Xeon Gold 6542Y better than Xeon Gold 6421N?

Yes. Xeon Gold 6542Y is the better overall CPU here. You are getting a 2.1% average FPS lead across 50 shared CPU game tests in our data and 2.3% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Xeon Gold 6542Y is the better pick here. According to our tests, it delivers 2.1% 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 6542Y is the better fit. You are getting 2.3% better PassMark, backed by 24 cores and 48 threads.

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

Xeon Gold 6542Y is still the faster CPU overall, but Xeon Gold 6421N makes more sense if price matters more than absolute performance. Xeon Gold 6542Y is 21.5% more expensive on MSRP at $2,878 MSRP versus $2,368 MSRP, and it gives you a 2.1% average FPS lead across 50 shared CPU game tests in our data. Xeon Gold 6421N is also 18.8% better value on MSRP (24.8 vs 20.9 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Xeon Gold 6542Y is the safer long-term CPU choice because it gives you more overall headroom and a better platform outlook.

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 6421N Benchmark Check

Xeon Gold 6542Y Benchmark Check

Path of Exile 2

Preset	Xeon Gold 6421N	Xeon Gold 6542Y
1080p
low	200 FPS	187 FPS
medium	165 FPS	163 FPS
high	137 FPS	129 FPS
ultra	107 FPS	104 FPS
1440p
low	159 FPS	154 FPS
medium	124 FPS	129 FPS
high	98 FPS	99 FPS
ultra	77 FPS	81 FPS
4K
low	73 FPS	70 FPS
medium	61 FPS	62 FPS
high	47 FPS	48 FPS
ultra	39 FPS	39 FPS

Open Xeon Gold 6421N Open Xeon Gold 6542Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Xeon Gold 6421N	Xeon Gold 6542Y
1080p
low	239 FPS	552 FPS
medium	213 FPS	493 FPS
high	177 FPS	409 FPS
ultra	143 FPS	365 FPS
1440p
low	201 FPS	474 FPS
medium	182 FPS	424 FPS
high	157 FPS	364 FPS
ultra	122 FPS	304 FPS
4K
low	125 FPS	296 FPS
medium	116 FPS	267 FPS
high	102 FPS	245 FPS
ultra	83 FPS	218 FPS

Open Xeon Gold 6421N Open Xeon Gold 6542Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Xeon Gold 6421N	Xeon Gold 6542Y
1080p
low	956 FPS	892 FPS
medium	837 FPS	807 FPS
high	793 FPS	748 FPS
ultra	705 FPS	659 FPS
1440p
low	774 FPS	764 FPS
medium	668 FPS	687 FPS
high	623 FPS	633 FPS
ultra	555 FPS	564 FPS
4K
low	495 FPS	506 FPS
medium	391 FPS	425 FPS
high	342 FPS	379 FPS
ultra	279 FPS	316 FPS

Open Xeon Gold 6421N Open Xeon Gold 6542Y

League of Legends

League of Legends

Valorant

Preset	Xeon Gold 6421N	Xeon Gold 6542Y
1080p
low	923 FPS	965 FPS
medium	832 FPS	863 FPS
high	717 FPS	747 FPS
ultra	619 FPS	649 FPS
1440p
low	715 FPS	785 FPS
medium	627 FPS	685 FPS
high	538 FPS	591 FPS
ultra	460 FPS	508 FPS
4K
low	516 FPS	570 FPS
medium	460 FPS	511 FPS
high	404 FPS	453 FPS
ultra	349 FPS	389 FPS

Open Xeon Gold 6421N Open Xeon Gold 6542Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Xeon Gold 6421N and Xeon Gold 6542Y

Xeon Gold 6421N

The Xeon Gold 6421N is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 1.8 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,797 points. Launch price was $2,368.

Xeon Gold 6542Y

The Xeon Gold 6542Y is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 24 cores and 48 threads. Base frequency is 2.9 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5-5200. Passmark benchmark score: 60,144 points. Launch price was $2,878.

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Processing Power

The Xeon Gold 6421N packs 32 cores / 64 threads, while the Xeon Gold 6542Y offers 24 cores / 48 threads — the Xeon Gold 6421N has 8 more cores. Boost clocks reach 3.6 GHz on the Xeon Gold 6421N versus 4.1 GHz on the Xeon Gold 6542Y — a 13% clock advantage for the Xeon Gold 6542Y (base: 1.8 GHz vs 2.9 GHz). The Xeon Gold 6421N uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the Xeon Gold 6542Y uses Emerald Rapids (2023) (Intel 7 nm). In PassMark, the Xeon Gold 6421N scores 58,797 against the Xeon Gold 6542Y's 60,144 — a 2.3% lead for the Xeon Gold 6542Y. L3 cache: 60 MB on the Xeon Gold 6421N vs 60 MB (total) on the Xeon Gold 6542Y.

Feature	Xeon Gold 6421N	Xeon Gold 6542Y
Cores / Threads	32 / 64+33%	24 / 48
Boost Clock	3.6 GHz	4.1 GHz+14%
Base Clock	1.8 GHz	2.9 GHz+61%
L3 Cache	60 MB	60 MB (total)
L2 Cache	2 MB (per core)	2 MB (per core)
Process	Intel 7 nm	Intel 7 nm
Architecture	Sapphire Rapids (2023−2024)	Emerald Rapids (2023)
PassMark	58,797	60,144+2%

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Memory & Platform

Both processors use the LGA4677 socket with PCIe 5.0. Both support up to 4800 memory speed. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. Both provide 80 PCIe lanes. Chipset compatibility: C741 (Xeon Gold 6421N) and C741 (Xeon Gold 6542Y).

Feature	Xeon Gold 6421N	Xeon Gold 6542Y
Socket	LGA4677	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	4800	4800
Max RAM Capacity	4096	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	80	80

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Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon Gold 6421N rivals EPYC 9354; Xeon Gold 6542Y rivals EPYC 9354.

Feature	Xeon Gold 6421N	Xeon Gold 6542Y
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

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Value Analysis

The Xeon Gold 6421N launched at $2368 MSRP, while the Xeon Gold 6542Y debuted at $2878. On MSRP ($2368 vs $2878), the Xeon Gold 6421N is $510 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6421N delivers 24.8 pts/$ vs 20.9 pts/$ for the Xeon Gold 6542Y — making the Xeon Gold 6421N the 17.2% better value option.