Xeon Gold 6423N vs Xeon W-3365

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 6423N vs Xeon W-3365 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 6423N vs Xeon W-3365: 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 6423N

2023

Why buy it

✅+0.2% higher PassMark.
✅Costs $1,338 less on MSRP ($2,161 MSRP vs $3,499 MSRP).
✅Delivers 62.3% more PassMark for each dollar spent, at 26.6 vs 16.4 PassMark/$ ($2,161 MSRP vs $3,499 MSRP).
✅Draws 195W instead of 270W, a 75W reduction.
✅Newer platform on LGA4677 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-3365 across 50 shared CPU benchmark tests.

Xeon W-3365

2021

Why buy it

✅Better for gaming: +14.4% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (57,312 vs 57,434).
❌Lower PassMark per dollar, at 16.4 vs 26.6 PassMark/$ ($3,499 MSRP vs $2,161 MSRP).
❌38.5% higher power demand at 270W vs 195W.
❌Older platform position on LGA4189 with DDR4, while Xeon Gold 6423N moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon Gold 6423N better than Xeon W-3365?

It depends on what you want from the system. For gaming, Xeon W-3365 is ahead with a 14.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6423N pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Xeon Gold 6423N is the stronger fit. You are getting 0.2% better PassMark, backed by 28 cores and 56 threads.

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

Xeon Gold 6423N is the better buy right now. Xeon Gold 6423N comes in $1,338 cheaper on MSRP at $2,161 MSRP versus $3,499 MSRP, and it still gives you 0.2% better PassMark. The compromise is that Xeon W-3365 is still the better pure gaming CPU with a 14.4% average FPS lead across 50 shared CPU game tests in our data. It is also 62.3% better value on MSRP (26.6 vs 16.4 PassMark/$), 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 6423N makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with LGA4677 and DDR5 instead of LGA4189, and more multi-core headroom with 28 cores / 56 threads instead of 32/64. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Gold 6423N vs Xeon W-3365 Technical Specifications

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

Xeon Gold 6423N

The Xeon Gold 6423N is manufactured by Intel. It was released in 2023-07-01. It features 28 cores and 56 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 52.5 MB. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 195 Watt. Memory support: DDR5-4400. Passmark benchmark score: 57,434 points. Launch price was $2,161.

Xeon W-3365

The Xeon W-3365 is manufactured by Intel. It was released in 2021-07-29. It is based on the Ice Lake-W (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 48 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 57,312 points. Launch price was $3,499.

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Processing Power

The Xeon Gold 6423N packs 28 cores / 56 threads, while the Xeon W-3365 offers 32 cores / 64 threads — the Xeon W-3365 has 4 more cores. Boost clocks reach 3.6 GHz on the Xeon Gold 6423N versus 4 GHz on the Xeon W-3365 — a 10.5% clock advantage for the Xeon W-3365 (base: 2 GHz vs 2.7 GHz). The Xeon W-3365 is built on the Ice Lake-W (2021) architecture. In PassMark, the Xeon Gold 6423N scores 57,434 against the Xeon W-3365's 57,312 — a 0.2% lead for the Xeon Gold 6423N. L3 cache: 52.5 MB on the Xeon Gold 6423N vs 48 MB (total) on the Xeon W-3365.

Feature	Xeon Gold 6423N	Xeon W-3365
Cores / Threads	28 / 56	32 / 64+14%
Boost Clock	3.6 GHz	4 GHz+11%
Base Clock	2 GHz	2.7 GHz+35%
L3 Cache	52.5 MB+9%	48 MB (total)
L2 Cache	—	1 MB (per core)
Process	Intel 7 nm-30%	10 nm
Architecture	—	Ice Lake-W (2021)
PassMark	57,434	57,312
Geekbench 6 Single	—	1,960
Geekbench 6 Multi	—	16,817

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Memory & Platform

The Xeon Gold 6423N uses the LGA4677 socket (PCIe 5.0), while the Xeon W-3365 uses LGA4189 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon Gold 6423N versus DDR4-3200 on the Xeon W-3365 — the Xeon Gold 6423N supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 80 (Xeon Gold 6423N) vs 64 (Xeon W-3365) — the Xeon Gold 6423N offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6423N) and Intel C621A (Xeon W-3365).

Feature	Xeon Gold 6423N	Xeon W-3365
Socket	LGA4677	LGA4189
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	4800+50%	DDR4-3200
Max RAM Capacity	4096 GB	4096 GB
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	80+25%	64

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Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Gold 6423N) vs true (Xeon W-3365). Direct competitor: Xeon Gold 6423N rivals EPYC 9354; Xeon W-3365 rivals EPYC 7543.

Feature	Xeon Gold 6423N	Xeon W-3365
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	true

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Value Analysis

At launch, the Xeon Gold 6423N was priced at $2161, while the Xeon W-3365 came in at $3499. On launch pricing ($2161 vs $3499), Xeon Gold 6423N was $1338 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6423N delivers 26.6 pts/$ vs 16.4 pts/$ for the Xeon W-3365 — making the Xeon Gold 6423N the 47.5% better value option.

Feature	Xeon Gold 6423N	Xeon W-3365
MSRP	$2161-38%	$3499
Performance per Dollar	26.6+62%	16.4
Release Date	2023	2021

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