EPYC 4545P vs Xeon Platinum 8358

CPU

GPU

EPYC 4545P

16 Cores32 Thrd65 WWMax: 5.4 GHz2025

Popular choices:

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Xeon Platinum 8358

32 Cores64 Thrd250 WWMax: 3.4 GHz2021

Popular choices:

•••••••••

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 4545P

2025

Why buy it

✅Better for gaming: +33.2% higher average FPS across 2 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 2 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.

EPYC 4545P

2025

Xeon Platinum 8358

2021

Why buy it

✅Better for gaming: +33.2% higher average FPS across 2 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.

Why buy it

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

Trade-offs

❌Lower PassMark (54,255 vs 54,416).

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4545P across 2 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 matters more to you. For gaming, EPYC 4545P is ahead with a 33.2% average FPS lead across 2 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 better 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 smarter buy today. EPYC 4545P is $4,058 cheaper on MSRP at $549 MSRP versus $4,607 MSRP, and it gives you a 33.2% average FPS lead across 2 shared CPU game tests in our data. The trade-off is that Xeon Platinum 8358 is still stronger for heavier multi-core work with 0.3% better PassMark. It is also 736.7% better value on MSRP (98.8 vs 11.8 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

EPYC 4545P is the more future-proof choice 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 should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

EPYC 4545P Benchmark Check

Xeon Platinum 8358 Benchmark Check

Path of Exile 2

Preset	EPYC 4545P	Xeon Platinum 8358
1080p
low	286 FPS	185 FPS
medium	262 FPS	149 FPS
high	215 FPS	120 FPS
ultra	181 FPS	94 FPS
1440p
low	262 FPS	154 FPS
medium	218 FPS	120 FPS
high	167 FPS	93 FPS
ultra	148 FPS	74 FPS
4K
low	182 FPS	72 FPS
medium	151 FPS	60 FPS
high	115 FPS	46 FPS
ultra	102 FPS	38 FPS

Open EPYC 4545P Open Xeon Platinum 8358

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 4545P	Xeon Platinum 8358
1080p
low	674 FPS	416 FPS
medium	580 FPS	364 FPS
high	434 FPS	296 FPS
ultra	375 FPS	237 FPS
1440p
low	567 FPS	356 FPS
medium	506 FPS	317 FPS
high	392 FPS	264 FPS
ultra	312 FPS	203 FPS
4K
low	320 FPS	221 FPS
medium	289 FPS	200 FPS
high	255 FPS	169 FPS
ultra	219 FPS	136 FPS

Open EPYC 4545P Open Xeon Platinum 8358

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 4545P	Xeon Platinum 8358
1080p
low	850 FPS	984 FPS
medium	679 FPS	858 FPS
high	601 FPS	811 FPS
ultra	515 FPS	720 FPS
1440p
low	679 FPS	787 FPS
medium	543 FPS	676 FPS
high	469 FPS	639 FPS
ultra	398 FPS	567 FPS
4K
low	484 FPS	504 FPS
medium	401 FPS	397 FPS
high	360 FPS	353 FPS
ultra	302 FPS	288 FPS

Open EPYC 4545P Open Xeon Platinum 8358

League of Legends

League of Legends

Valorant

Preset	EPYC 4545P	Xeon Platinum 8358
1080p
low	1072 FPS	911 FPS
medium	966 FPS	828 FPS
high	843 FPS	714 FPS
ultra	760 FPS	615 FPS
1440p
low	842 FPS	712 FPS
medium	747 FPS	625 FPS
high	652 FPS	537 FPS
ultra	566 FPS	460 FPS
4K
low	619 FPS	514 FPS
medium	553 FPS	459 FPS
high	487 FPS	403 FPS
ultra	421 FPS	351 FPS

Open EPYC 4545P Open Xeon Platinum 8358

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 4545P and Xeon Platinum 8358

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.

⚡

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

🧠

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 54.5% 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 — 182.1% 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

The EPYC 4545P launched at $549 MSRP, while the Xeon Platinum 8358 debuted at $4607. On MSRP ($549 vs $4607), the EPYC 4545P is $4058 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4545P delivers 98.8 pts/$ vs 11.8 pts/$ for the Xeon Platinum 8358 — making the EPYC 4545P the 157.3% better value option.