EPYC 4545P vs Xeon Platinum 8358

CPU

GPU

EPYC 4545P

16 Cores32 Thrd65 WWMax: 5.4 GHz2025

EPYC family

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Xeon Platinum 8358

32 Cores64 Thrd250 WWMax: 3.4 GHz2021

Similar parts

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EPYC 4545P vs Xeon Platinum 8358 Performance Spectrum

EPYC 4545P

16 / 32

54,255

0.0%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper PRO 5995WX

Ryzen Threadripper 9970X

Xeon Platinum 8358

32 / 64

54,416

+0.3%

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.

EPYC 4545P vs Xeon Platinum 8358 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.

EPYC 4545P vs Xeon Platinum 8358: Pros, Cons & Final Verdict

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

EPYC 4545P

2025

Why buy it

✅Better for gaming: +13.4% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Costs $4,058 less on MSRP ($549 MSRP vs $4,607 MSRP).
✅Delivers 736.7% more PassMark for each dollar spent, at 98.8 vs 11.8 PassMark/$ ($549 MSRP vs $4,607 MSRP).
✅Draws 65W instead of 250W, a 185W reduction.

Trade-offs

❌Lower PassMark (54,255 vs 54,416).

Xeon Platinum 8358

2021

Why buy it

✅+0.3% higher PassMark.
✅128.6% more PCIe lanes (64 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4545P across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Lower PassMark per dollar, at 11.8 vs 98.8 PassMark/$ ($4,607 MSRP vs $549 MSRP).
❌284.6% higher power demand at 250W vs 65W.
❌Older platform position on LGA4189 with DDR4, while EPYC 4545P moves to AM5 and DDR5.

Quick Answers

So, is EPYC 4545P better than Xeon Platinum 8358?

It depends on what you want from the system. For gaming, EPYC 4545P is ahead with a 13.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Platinum 8358 pulls ahead with 0.3% better PassMark. EPYC 4545P also has the bigger cache pool with 33.3% larger total L3 cache (64 MB vs 48 MB).

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

For streaming, content creation, and heavier multitasking, Xeon Platinum 8358 is the stronger fit. You are getting 0.3% better PassMark, backed by 32 cores and 64 threads.

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

EPYC 4545P is the better buy right now. EPYC 4545P comes in $4,058 cheaper on MSRP at $549 MSRP versus $4,607 MSRP, and it still gives you a 13.4% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Platinum 8358 is still stronger for heavier multi-core work with 0.3% better PassMark. It is also 736.7% better value on MSRP (98.8 vs 11.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

EPYC 4545P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with AM5 and DDR5 instead of LGA4189, and 33.3% larger total L3 cache (64 MB vs 48 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 4545P vs Xeon Platinum 8358 Technical Specifications

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

EPYC 4545P

The EPYC 4545P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 16 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 54,255 points. Launch price was $549.

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.

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Processing Power

The EPYC 4545P packs 16 cores / 32 threads, while the Xeon Platinum 8358 offers 32 cores / 64 threads — the Xeon Platinum 8358 has 16 more cores. Boost clocks reach 5.4 GHz on the EPYC 4545P versus 3.4 GHz on the Xeon Platinum 8358 — a 45.5% clock advantage for the EPYC 4545P (base: 3 GHz vs 2.6 GHz). The EPYC 4545P uses the Grado (2025) architecture (4 nm), while the Xeon Platinum 8358 uses Ice Lake-SP (2021) (10 nm). In PassMark, the EPYC 4545P scores 54,255 against the Xeon Platinum 8358's 54,416 — a 0.3% lead for the Xeon Platinum 8358. L3 cache: 64 MB (total) on the EPYC 4545P vs 48 MB (total) on the Xeon Platinum 8358.

Feature	EPYC 4545P	Xeon Platinum 8358
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.4 GHz+59%	3.4 GHz
Base Clock	3 GHz+15%	2.6 GHz
L3 Cache	64 MB (total)+33%	48 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm-60%	10 nm
Architecture	Grado (2025)	Ice Lake-SP (2021)
PassMark	54,255	54,416

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Memory & Platform

The EPYC 4545P uses the AM5 socket (PCIe 4.0), while the Xeon Platinum 8358 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4545P versus 3200 on the Xeon Platinum 8358 — the EPYC 4545P supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8358 supports up to 4096 of RAM compared to 192 — 2033.3% more capacity for professional workloads. Memory channels: 2 (EPYC 4545P) vs 8 (Xeon Platinum 8358). PCIe lanes: 28 (EPYC 4545P) vs 64 (Xeon Platinum 8358) — the Xeon Platinum 8358 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4545P) and C621A (Xeon Platinum 8358).

Feature	EPYC 4545P	Xeon Platinum 8358
Socket	AM5	LGA4189
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	5600+75%	3200
Max RAM Capacity	192	4096+2033%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	64+129%

🔧

Advanced Features

Only the EPYC 4545P 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, AMD-V (EPYC 4545P) vs VT-x, VT-d (Xeon Platinum 8358). The EPYC 4545P includes integrated graphics (AMD Radeon Graphics), while the Xeon Platinum 8358 requires a dedicated GPU. Direct competitor: EPYC 4545P rivals Ryzen 9 7900X; Xeon Platinum 8358 rivals EPYC 7543.

Feature	EPYC 4545P	Xeon Platinum 8358
Integrated GPU	Yes	No
IGPU Model	AMD Radeon Graphics	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d, AMD-V	VT-x, VT-d

💰

Value Analysis

At launch, the EPYC 4545P was priced at $549, while the Xeon Platinum 8358 came in at $4607. On launch pricing ($549 vs $4607), EPYC 4545P was $4058 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4545P delivers 98.8 pts/$ vs 11.8 pts/$ for the Xeon Platinum 8358 — making the EPYC 4545P the 157.3% better value option.

Feature	EPYC 4545P	Xeon Platinum 8358
MSRP	$549-88%	$4607
Performance per Dollar	98.8+737%	11.8
Release Date	2025	2021

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