Xeon Gold 6421N vs Xeon w7-3545

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 w7-3545 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 w7-3545: 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

✅+0.6% higher PassMark.
✅Draws 185W instead of 310W, a 125W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3545 across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 24.8 vs 28.7 PassMark/$ ($2,368 MSRP vs $2,039 MSRP).

Xeon w7-3545

2023

Why buy it

✅Better for gaming: +16.9% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $329 less on MSRP ($2,039 MSRP vs $2,368 MSRP).
✅Delivers 15.5% more PassMark for each dollar spent, at 28.7 vs 24.8 PassMark/$ ($2,039 MSRP vs $2,368 MSRP).
✅40% more PCIe lanes (112 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (58,453 vs 58,797).
❌67.6% higher power demand at 310W vs 185W.

Quick Answers

So, is Xeon Gold 6421N better than Xeon w7-3545?

It depends on what you want from the system. For gaming, Xeon w7-3545 is ahead with a 16.9% 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 0.6% 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 0.6% 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 still the faster CPU overall, but Xeon w7-3545 is easier to justify if budget matters more than peak performance. Xeon Gold 6421N comes in 16.1% more expensive on MSRP at $2,368 MSRP versus $2,039 MSRP, and it still gives you 0.6% better PassMark. The compromise is that Xeon w7-3545 is still the better pure gaming CPU with a 16.9% average FPS lead across 50 shared CPU game tests in our data. Xeon w7-3545 is also 15.5% better value on MSRP (28.7 vs 24.8 PassMark/$), which is why it can still make sense for tighter-budget builds 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 w7-3545 Technical Specifications

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

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 w7-3545

The Xeon w7-3545 is manufactured by Intel. It was released in 24 August 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 24 cores and 48 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 67.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 310 Watt. Memory support: DDR5-4800. Passmark benchmark score: 58,453 points. Launch price was $2,039.

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Processing Power

The Xeon Gold 6421N packs 32 cores / 64 threads, while the Xeon w7-3545 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 4.8 GHz on the Xeon w7-3545 — a 28.6% clock advantage for the Xeon w7-3545 (base: 1.8 GHz vs 2.7 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 w7-3545's 58,453 — a 0.6% lead for the Xeon Gold 6421N. L3 cache: 60 MB on the Xeon Gold 6421N vs 67.5 MB on the Xeon w7-3545.

Feature	Xeon Gold 6421N	Xeon w7-3545
Cores / Threads	32 / 64+33%	24 / 48
Boost Clock	3.6 GHz	4.8 GHz+33%
Base Clock	1.8 GHz	2.7 GHz+50%
L3 Cache	60 MB	67.5 MB+13%
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	58,453
Geekbench 6 Single	—	2,300
Geekbench 6 Multi	—	16,200

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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 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 80 (Xeon Gold 6421N) vs 112 (Xeon w7-3545) — the Xeon w7-3545 offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6421N) and Intel W790 (Xeon w7-3545).

Feature	Xeon Gold 6421N	Xeon w7-3545
Socket	LGA4677	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	4800	DDR5-4800
Max RAM Capacity	4096 GB	4096 GB
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	80	112+40%

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Advanced Features

Only the Xeon w7-3545 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Gold 6421N) vs true (Xeon w7-3545). Direct competitor: Xeon Gold 6421N rivals EPYC 9354; Xeon w7-3545 rivals Threadripper PRO 7965WX.

Feature	Xeon Gold 6421N	Xeon w7-3545
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	true

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Value Analysis

At launch, the Xeon Gold 6421N was priced at $2368, while the Xeon w7-3545 came in at $2039. On launch pricing ($2368 vs $2039), Xeon w7-3545 was $329 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6421N delivers 24.8 pts/$ vs 28.7 pts/$ for the Xeon w7-3545 — making the Xeon w7-3545 the 14.3% better value option.

Feature	Xeon Gold 6421N	Xeon w7-3545
MSRP	$2368	$2039-14%
Performance per Dollar	24.8	28.7+16%
Release Date	2023	2023

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