Xeon Gold 6421N vs Xeon Gold 6442Y

Intel

Xeon Gold 6421N

32 Cores64 Thrd185 WWMax: 3.6 GHz2023
Similar parts
·······
VS
Intel

Xeon Gold 6442Y

24 Cores48 Thrd225 WWMax: 4 GHz2023
Similar parts
·······

Xeon Gold 6421N vs Xeon Gold 6442Y 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 6421N vs Xeon Gold 6442Y 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 6421N vs Xeon Gold 6442Y: 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 6421N

2023

Why buy it

  • +0.4% higher PassMark.
  • Costs $510 less on MSRP ($2,368 MSRP vs $2,878 MSRP).
  • Delivers 22.1% more PassMark for each dollar spent, at 24.8 vs 20.3 PassMark/$ ($2,368 MSRP vs $2,878 MSRP).
  • Draws 185W instead of 225W, a 40W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon Gold 6442Y across 50 shared CPU benchmark tests.

Xeon Gold 6442Y

2023

Why buy it

  • Better for gaming: +9.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark (58,534 vs 58,797).
  • Lower PassMark per dollar, at 20.3 vs 24.8 PassMark/$ ($2,878 MSRP vs $2,368 MSRP).
  • 21.6% higher power demand at 225W vs 185W.

Quick Answers

So, is Xeon Gold 6421N better than Xeon Gold 6442Y?
It depends on what you want from the system. For gaming, Xeon Gold 6442Y is ahead with a 9.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6421N pulls ahead with 0.4% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Gold 6421N is the stronger fit. You are getting 0.4% better PassMark, backed by 32 cores and 64 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon Gold 6421N is the better buy right now. Xeon Gold 6421N comes in $510 cheaper on MSRP at $2,368 MSRP versus $2,878 MSRP, and it still gives you 0.4% better PassMark. The compromise is that Xeon Gold 6442Y is still the better pure gaming CPU with a 9.8% average FPS lead across 50 shared CPU game tests in our data. It is also 22.1% better value on MSRP (24.8 vs 20.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6421N makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 32 cores / 64 threads instead of 24/48. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon Gold 6421N vs Xeon Gold 6442Y Technical Specifications

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

Intel

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.

Intel

Xeon Gold 6442Y

The Xeon Gold 6442Y 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 24 cores and 48 threads. Base frequency is 2.6 GHz, with boost up to 4 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 225 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 58,534 points. Launch price was $2,065.

Processing Power

The Xeon Gold 6421N packs 32 cores / 64 threads, while the Xeon Gold 6442Y 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 GHz on the Xeon Gold 6442Y — a 10.5% clock advantage for the Xeon Gold 6442Y (base: 1.8 GHz vs 2.6 GHz). Both are built on the Sapphire Rapids (2023−2024) architecture using a Intel 7 nm process. In PassMark, the Xeon Gold 6421N scores 58,797 against the Xeon Gold 6442Y's 58,534 — a 0.4% lead for the Xeon Gold 6421N. Both processors carry 60 MB of L3 cache.

FeatureXeon Gold 6421NXeon Gold 6442Y
Cores / Threads
32 / 64+33%
24 / 48
Boost Clock
3.6 GHz
4 GHz+11%
Base Clock
1.8 GHz
2.6 GHz+44%
L3 Cache
60 MB
60 MB
L2 Cache
2 MB (per core)
2 MB (per core)
Process
Intel 7 nm
Intel 7 nm
Architecture
Sapphire Rapids (2023−2024)
Sapphire Rapids (2023−2024)
PassMark
58,797
58,534
🧠

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 6442Y).

FeatureXeon Gold 6421NXeon Gold 6442Y
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
🔧

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 6442Y rivals EPYC 9354.

FeatureXeon Gold 6421NXeon Gold 6442Y
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
No
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d
💰

Value Analysis

At launch, the Xeon Gold 6421N was priced at $2368, while the Xeon Gold 6442Y came in at $2878. On launch pricing ($2368 vs $2878), Xeon Gold 6421N was $510 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6421N delivers 24.8 pts/$ vs 20.3 pts/$ for the Xeon Gold 6442Y — making the Xeon Gold 6421N the 19.9% better value option.

FeatureXeon Gold 6421NXeon Gold 6442Y
MSRP
$2368-18%
$2878
Performance per Dollar
24.8+22%
20.3
Release Date
2023
2023

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.