EPYC 7J13 vs Xeon w9-3575X

CPU

GPU

EPYC 7J13

64 Cores128 Thrd280 WWMax: 3.5 GHz2021

EPYC family

·······

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Xeon w9-3575X

44 Cores88 Thrd340 WWMax: 4.8 GHz2024

Similar parts

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EPYC 7J13 vs Xeon w9-3575X Performance Spectrum

EPYC 7J13

64 / 128

84,786

+2.8%

Ryzen 9 PRO 7945

Ryzen 9 9900X3D

Ryzen 9 9950X

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper PRO 7975WX

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Xeon w9-3575X

44 / 88

82,507

0.0%

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 7J13 vs Xeon w9-3575X 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 7J13 vs Xeon w9-3575X: Pros, Cons & Final Verdict

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

EPYC 7J13

2021

Why buy it

✅+2.8% higher PassMark.
✅+162.6% larger total L3 cache (256 MB vs 98 MB).
✅Draws 280W instead of 340W, a 60W reduction.
✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w9-3575X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 10.7 vs 21.8 PassMark/$ ($7,890 MSRP vs $3,789 MSRP).
❌Older platform position on SP3 with DDR4, while Xeon w9-3575X moves to LGA4677 and DDR5.

Xeon w9-3575X

2024

Why buy it

✅Better for gaming: +22.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $4,101 less on MSRP ($3,789 MSRP vs $7,890 MSRP).
✅Delivers 102.6% more PassMark for each dollar spent, at 21.8 vs 10.7 PassMark/$ ($3,789 MSRP vs $7,890 MSRP).
✅Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark (82,507 vs 84,786).
❌Smaller total L3 cache (98 MB vs 256 MB).
❌21.4% higher power demand at 340W vs 280W.

Quick Answers

So, is Xeon w9-3575X better than EPYC 7J13?

It depends on what you want from the system. For gaming, Xeon w9-3575X is ahead with a 22.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7J13 pulls ahead with 2.8% better PassMark. EPYC 7J13 also has the bigger cache pool with 162.6% larger total L3 cache (256 MB vs 98 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 7J13 is the stronger fit. You are getting 2.8% better PassMark, backed by 64 cores and 128 threads. It also has the larger cache pool with 162.6% larger total L3 cache (256 MB vs 98 MB).

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

Xeon w9-3575X is the better buy right now. Xeon w9-3575X comes in $4,101 cheaper on MSRP at $3,789 MSRP versus $7,890 MSRP, and it still gives you a 22.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7J13 is still stronger for heavier multi-core work with 2.8% better PassMark. It is also 102.6% better value on MSRP (21.8 vs 10.7 PassMark/$), 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 w9-3575X 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 SP3, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7J13 vs Xeon w9-3575X Technical Specifications

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

EPYC 7J13

The EPYC 7J13 is manufactured by AMD. It was released in 2021-03-01. It is based on the Milan (2021−2023) architecture. It features 64 cores and 128 threads. Base frequency is 2.55 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4. Passmark benchmark score: 84,786 points. Launch price was $6,000.

Xeon w9-3575X

The Xeon w9-3575X is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 44 cores and 88 threads. Base frequency is 2.2 GHz, with boost up to 4.8 GHz. L3 cache: 97.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 340 Watt. Memory support: DDR5-4800. Passmark benchmark score: 82,507 points. Launch price was $3,789.

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Processing Power

The EPYC 7J13 packs 64 cores / 128 threads, while the Xeon w9-3575X offers 44 cores / 88 threads — the EPYC 7J13 has 20 more cores. Boost clocks reach 3.5 GHz on the EPYC 7J13 versus 4.8 GHz on the Xeon w9-3575X — a 31.3% clock advantage for the Xeon w9-3575X (base: 2.55 GHz vs 2.2 GHz). The EPYC 7J13 uses the Milan (2021−2023) architecture (7 nm), while the Xeon w9-3575X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7J13 scores 84,786 against the Xeon w9-3575X's 82,507 — a 2.7% lead for the EPYC 7J13. L3 cache: 256 MB (total) on the EPYC 7J13 vs 97.5 MB on the Xeon w9-3575X.

Feature	EPYC 7J13	Xeon w9-3575X
Cores / Threads	64 / 128+45%	44 / 88
Boost Clock	3.5 GHz	4.8 GHz+37%
Base Clock	2.55 GHz+16%	2.2 GHz
L3 Cache	256 MB (total)+163%	97.5 MB
L2 Cache	512 kB (per core)	2 MB (per core)+300%
Process	7 nm	Intel 7 nm
Architecture	Milan (2021−2023)	Sapphire Rapids (2023−2024)
PassMark	84,786+3%	82,507
Cinebench R23 Multi	—	60,000
Geekbench 6 Single	—	2,300
Geekbench 6 Multi	—	19,320

🧠

Memory & Platform

The EPYC 7J13 uses the SP3 socket (PCIe 4.0), while the Xeon w9-3575X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7J13 versus DDR5-4800 on the Xeon w9-3575X — the Xeon w9-3575X 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: 128 (EPYC 7J13) vs 112 (Xeon w9-3575X) — the EPYC 7J13 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7J13) and W790 (Xeon w9-3575X).

Feature	EPYC 7J13	Xeon w9-3575X
Socket	SP3	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	128+14%	112

🔧

Advanced Features

Only the Xeon w9-3575X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w9-3575X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, SEV (EPYC 7J13) vs true (Xeon w9-3575X). Direct competitor: EPYC 7J13 rivals Xeon Platinum 8380; Xeon w9-3575X rivals Ryzen Threadripper 7970X.

Feature	EPYC 7J13	Xeon w9-3575X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d, SEV	true

💰

Value Analysis

At launch, the EPYC 7J13 was priced at $7890, while the Xeon w9-3575X came in at $3789. On launch pricing ($7890 vs $3789), Xeon w9-3575X was $4101 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7J13 delivers 10.7 pts/$ vs 21.8 pts/$ for the Xeon w9-3575X — making the Xeon w9-3575X the 67.8% better value option.

Feature	EPYC 7J13	Xeon w9-3575X
MSRP	$7890	$3789-52%
Performance per Dollar	10.7	21.8+104%
Release Date	2021	2024

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