Xeon Platinum 8358 vs Xeon w7-3455

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 Platinum 8358 vs Xeon w7-3455 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 Platinum 8358 vs Xeon w7-3455: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Xeon Platinum 8358

2021

Why buy it

✅Draws 250W instead of 270W, a 20W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3455 across 50 shared CPU benchmark tests.
❌Lower PassMark (54,416 vs 54,925).
❌Smaller total L3 cache (48 MB vs 68 MB).
❌Lower PassMark per dollar, at 11.8 vs 22.1 PassMark/$ ($4,607 MSRP vs $2,489 MSRP).
❌Older platform position on LGA4189 with DDR4, while Xeon w7-3455 moves to LGA4677 and DDR5.

Xeon w7-3455

2023

Why buy it

✅Better for gaming: +14.4% higher average FPS across 50 shared CPU benchmark tests.
✅+40.6% larger total L3 cache (68 MB vs 48 MB).
✅Costs $2,118 less on MSRP ($2,489 MSRP vs $4,607 MSRP).
✅Delivers 86.8% more PassMark for each dollar spent, at 22.1 vs 11.8 PassMark/$ ($2,489 MSRP vs $4,607 MSRP).
✅Newer platform on LGA4677 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

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

Quick Answers

So, is Xeon w7-3455 better than Xeon Platinum 8358?

Yes. Xeon w7-3455 is the better all-around CPU here. It gives you a 14.4% average FPS lead across 50 shared CPU game tests in our data, 0.9% 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 w7-3455 is the better pick. According to our tests, it delivers 14.4% 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 w7-3455 is the stronger fit. You are getting 0.9% better PassMark, backed by 24 cores and 48 threads. It also has the larger cache pool with 40.6% larger total L3 cache (68 MB vs 48 MB).

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

Xeon w7-3455 is the better buy right now. Xeon w7-3455 comes in $2,118 cheaper on MSRP at $2,489 MSRP versus $4,607 MSRP, and it still gives you a 14.4% average FPS lead across 50 shared CPU game tests in our data. It is also 86.8% better value on MSRP (22.1 vs 11.8 PassMark/$), 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 w7-3455 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, 40.6% larger total L3 cache (68 MB vs 48 MB), and more multi-core headroom with 24 cores / 48 threads instead of 32/64. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Platinum 8358 vs Xeon w7-3455 Technical Specifications

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

Xeon Platinum 8358

The Xeon Platinum 8358 is manufactured by Intel. It was released in 2021-04-06. It is based on the Ice Lake-SP (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 48 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 250 Watt. Memory support: DDR4-3200. Passmark benchmark score: 54,416 points. Launch price was $3,950.

Xeon w7-3455

The Xeon w7-3455 is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 24 cores and 48 threads. Base frequency is 2.5 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): 270 Watt. Memory support: DDR5-4800. Passmark benchmark score: 54,925 points. Launch price was $2,489.

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Processing Power

The Xeon Platinum 8358 packs 32 cores / 64 threads, while the Xeon w7-3455 offers 24 cores / 48 threads — the Xeon Platinum 8358 has 8 more cores. Boost clocks reach 3.4 GHz on the Xeon Platinum 8358 versus 4.8 GHz on the Xeon w7-3455 — a 34.1% clock advantage for the Xeon w7-3455 (base: 2.6 GHz vs 2.5 GHz). The Xeon Platinum 8358 uses the Ice Lake-SP (2021) architecture (10 nm), while the Xeon w7-3455 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon Platinum 8358 scores 54,416 against the Xeon w7-3455's 54,925 — a 0.9% lead for the Xeon w7-3455. L3 cache: 48 MB (total) on the Xeon Platinum 8358 vs 67.5 MB on the Xeon w7-3455.

Feature	Xeon Platinum 8358	Xeon w7-3455
Cores / Threads	32 / 64+33%	24 / 48
Boost Clock	3.4 GHz	4.8 GHz+41%
Base Clock	2.6 GHz+4%	2.5 GHz
L3 Cache	48 MB (total)	67.5 MB+41%
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	10 nm	Intel 7 nm-30%
Architecture	Ice Lake-SP (2021)	Sapphire Rapids (2023−2024)
PassMark	54,416	54,925
Geekbench 6 Single	—	1,900
Geekbench 6 Multi	—	1,898

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Memory & Platform

The Xeon Platinum 8358 uses the LGA4189 socket (PCIe 4.0), while the Xeon w7-3455 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon Platinum 8358 versus DDR5-4800 on the Xeon w7-3455 — the Xeon w7-3455 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: 64 (Xeon Platinum 8358) vs 112 (Xeon w7-3455) — the Xeon w7-3455 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621A (Xeon Platinum 8358) and Intel W790 (Xeon w7-3455).

Feature	Xeon Platinum 8358	Xeon w7-3455
Socket	LGA4189	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200	DDR5-4800+50%
Max RAM Capacity	4096 GB	4096 GB
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	64	112+75%

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Advanced Features

Only the Xeon w7-3455 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 Platinum 8358) vs true (Xeon w7-3455). Direct competitor: Xeon Platinum 8358 rivals EPYC 7543; Xeon w7-3455 rivals Threadripper PRO 7965WX.

Feature	Xeon Platinum 8358	Xeon w7-3455
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 Platinum 8358 was priced at $4607, while the Xeon w7-3455 came in at $2489. On launch pricing ($4607 vs $2489), Xeon w7-3455 was $2118 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Platinum 8358 delivers 11.8 pts/$ vs 22.1 pts/$ for the Xeon w7-3455 — making the Xeon w7-3455 the 60.5% better value option.

Feature	Xeon Platinum 8358	Xeon w7-3455
MSRP	$4607	$2489-46%
Performance per Dollar	11.8	22.1+87%
Release Date	2021	2023

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