Xeon Gold 6342 vs Xeon w5-2555X

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 6342 vs Xeon w5-2555X 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 6342 vs Xeon w5-2555X: 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 6342

2021

Why buy it

✅Draws 230W instead of 252W, a 22W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w5-2555X across 50 shared CPU benchmark tests.
❌Lower PassMark (47,076 vs 47,638).
❌Lower PassMark per dollar, at 15.8 vs 44.6 PassMark/$ ($2,977 MSRP vs $1,069 MSRP).
❌Older platform position on LGA4189 with DDR4, while Xeon w5-2555X moves to LGA4677 and DDR5.

Xeon w5-2555X

2024

Why buy it

✅Better for gaming: +15.4% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,908 less on MSRP ($1,069 MSRP vs $2,977 MSRP).
✅Delivers 181.8% more PassMark for each dollar spent, at 44.6 vs 15.8 PassMark/$ ($1,069 MSRP vs $2,977 MSRP).
✅Newer platform on LGA4677 with DDR5 support instead of LGA4189 and DDR4.
✅75% more PCIe lanes (112 vs 64) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Xeon w5-2555X better than Xeon Gold 6342?

Yes. Xeon w5-2555X is the better all-around CPU here. It gives you a 15.4% average FPS lead across 50 shared CPU game tests in our data, 1.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon w5-2555X is the better pick. According to our tests, it delivers 15.4% 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 w5-2555X is the stronger fit. You are getting 1.2% better PassMark, backed by 14 cores and 28 threads.

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

Xeon w5-2555X is the better buy right now. Xeon w5-2555X comes in $1,908 cheaper on MSRP at $1,069 MSRP versus $2,977 MSRP, and it still gives you a 15.4% average FPS lead across 50 shared CPU game tests in our data. It is also 181.8% better value on MSRP (44.6 vs 15.8 PassMark/$), 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 w5-2555X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with LGA4677 and DDR5 instead of LGA4189, and more multi-core headroom with 14 cores / 28 threads instead of 24/48. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Gold 6342 vs Xeon w5-2555X Technical Specifications

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

Xeon Gold 6342

The Xeon Gold 6342 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 24 cores and 48 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 230 Watt. Memory support: DDR4-3200. Passmark benchmark score: 47,076 points. Launch price was $800.

Xeon w5-2555X

The Xeon w5-2555X is manufactured by Intel. It was released in 2015-01-01. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 33.75 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 252 Watt. Memory support: DDR5-4800. Passmark benchmark score: 47,638 points. Launch price was $800.

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Processing Power

The Xeon Gold 6342 packs 24 cores / 48 threads, while the Xeon w5-2555X offers 14 cores / 28 threads — the Xeon Gold 6342 has 10 more cores. Boost clocks reach 3.5 GHz on the Xeon Gold 6342 versus 4.8 GHz on the Xeon w5-2555X — a 31.3% clock advantage for the Xeon w5-2555X (base: 2.8 GHz vs 3.3 GHz). The Xeon Gold 6342 is built on the Ice Lake-SP (2021) architecture. In PassMark, the Xeon Gold 6342 scores 47,076 against the Xeon w5-2555X's 47,638 — a 1.2% lead for the Xeon w5-2555X. L3 cache: 36 MB (total) on the Xeon Gold 6342 vs 33.75 MB Intel® Smart Cache on the Xeon w5-2555X.

Feature	Xeon Gold 6342	Xeon w5-2555X
Cores / Threads	24 / 48+71%	14 / 28
Boost Clock	3.5 GHz	4.8 GHz+37%
Base Clock	2.8 GHz	3.3 GHz+18%
L3 Cache	36 MB (total)+7%	33.75 MB Intel® Smart Cache
L2 Cache	1 MB (per core)	—
Process	10 nm	Intel 7 nm-30%
Architecture	Ice Lake-SP (2021)	—
PassMark	47,076	47,638+1%

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Memory & Platform

The Xeon Gold 6342 uses the LGA4189 socket (PCIe 4.0), while the Xeon w5-2555X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon Gold 6342 versus 4800 on the Xeon w5-2555X — the Xeon w5-2555X supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6342 supports up to 6144 of RAM compared to 4096 — 50% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 64 (Xeon Gold 6342) vs 112 (Xeon w5-2555X) — the Xeon w5-2555X offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621A (Xeon Gold 6342) and W790 (Xeon w5-2555X).

Feature	Xeon Gold 6342	Xeon w5-2555X
Socket	LGA4189	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200	4800+50%
Max RAM Capacity	6144+50%	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	64	112+75%

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Advanced Features

Only the Xeon w5-2555X 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. Both support VT-x, VT-d virtualization. Direct competitor: Xeon Gold 6342 rivals EPYC 7443; Xeon w5-2555X rivals Threadripper PRO 7965WX.

Feature	Xeon Gold 6342	Xeon w5-2555X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

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Value Analysis

At launch, the Xeon Gold 6342 was priced at $2977, while the Xeon w5-2555X came in at $1069. On launch pricing ($2977 vs $1069), Xeon w5-2555X was $1908 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6342 delivers 15.8 pts/$ vs 44.6 pts/$ for the Xeon w5-2555X — making the Xeon w5-2555X the 95.2% better value option.

Feature	Xeon Gold 6342	Xeon w5-2555X
MSRP	$2977	$1069-64%
Performance per Dollar	15.8	44.6+182%
Release Date	2021	2024

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