EPYC 7443 vs Xeon w5-3535X

CPU

GPU

EPYC 7443

24 Cores48 Thrd200 WWMax: 4 GHz2021

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Xeon w5-3535X

20 Cores40 Thrd300 WWMax: 4.8 GHz2024

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EPYC 7443 vs Xeon w5-3535X Performance Spectrum

EPYC 7443

24 / 48

56,743

+2.2%

Ryzen Threadripper PRO 3995WX

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Xeon w5-3535X

20 / 40

55,532

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 7443 vs Xeon w5-3535X 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 7443 vs Xeon w5-3535X: Pros, Cons & Final Verdict

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

EPYC 7443

2021

Why buy it

✅+2.2% higher PassMark.
✅+143.8% larger total L3 cache (128 MB vs 53 MB).
✅Draws 200W instead of 300W, a 100W 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 w5-3535X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 28.2 vs 32.7 PassMark/$ ($2,010 MSRP vs $1,699 MSRP).
❌Older platform position on SP3 with DDR4, while Xeon w5-3535X moves to LGA4677 and DDR5.

Xeon w5-3535X

2024

Why buy it

✅Better for gaming: +17.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $311 less on MSRP ($1,699 MSRP vs $2,010 MSRP).
✅Delivers 15.8% more PassMark for each dollar spent, at 32.7 vs 28.2 PassMark/$ ($1,699 MSRP vs $2,010 MSRP).
✅Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark (55,532 vs 56,743).
❌Smaller total L3 cache (53 MB vs 128 MB).
❌50% higher power demand at 300W vs 200W.

Quick Answers

So, is Xeon w5-3535X better than EPYC 7443?

It depends on what you want from the system. For gaming, Xeon w5-3535X is ahead with a 17.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7443 pulls ahead with 2.2% better PassMark. EPYC 7443 also has the bigger cache pool with 143.8% larger total L3 cache (128 MB vs 53 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 7443 is the stronger fit. You are getting 2.2% better PassMark, backed by 24 cores and 48 threads. It also has the larger cache pool with 143.8% larger total L3 cache (128 MB vs 53 MB).

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

Xeon w5-3535X is the better buy right now. Xeon w5-3535X comes in $311 cheaper on MSRP at $1,699 MSRP versus $2,010 MSRP, and it still gives you a 17.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7443 is still stronger for heavier multi-core work with 2.2% better PassMark. It is also 15.8% better value on MSRP (32.7 vs 28.2 PassMark/$), 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 w5-3535X 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 7443 vs Xeon w5-3535X Technical Specifications

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

EPYC 7443

The EPYC 7443 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 24 cores and 48 threads. Base frequency is 2.85 GHz, with boost up to 4 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 200 Watt. Memory support: DDR4-3200. Passmark benchmark score: 56,743 points. Launch price was $2,010.

Xeon w5-3535X

The Xeon w5-3535X 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 20 cores and 40 threads. Base frequency is 2.9 GHz, with boost up to 4.8 GHz. L3 cache: 52.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 300 Watt. Memory support: DDR5-4800. Passmark benchmark score: 55,532 points. Launch price was $1,689.

⚡

Processing Power

The EPYC 7443 packs 24 cores / 48 threads, while the Xeon w5-3535X offers 20 cores / 40 threads — the EPYC 7443 has 4 more cores. Boost clocks reach 4 GHz on the EPYC 7443 versus 4.8 GHz on the Xeon w5-3535X — a 18.2% clock advantage for the Xeon w5-3535X (base: 2.85 GHz vs 2.9 GHz). The EPYC 7443 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w5-3535X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7443 scores 56,743 against the Xeon w5-3535X's 55,532 — a 2.2% lead for the EPYC 7443. L3 cache: 128 MB (total) on the EPYC 7443 vs 52.5 MB on the Xeon w5-3535X.

Feature	EPYC 7443	Xeon w5-3535X
Cores / Threads	24 / 48+20%	20 / 40
Boost Clock	4 GHz	4.8 GHz+20%
Base Clock	2.85 GHz	2.9 GHz+2%
L3 Cache	128 MB (total)+144%	52.5 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	56,743+2%	55,532
Geekbench 6 Single	—	2,300
Geekbench 6 Multi	—	30,000

🧠

Memory & Platform

The EPYC 7443 uses the SP3 socket (PCIe 4.0), while the Xeon w5-3535X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7443 versus DDR5-4800 on the Xeon w5-3535X — the Xeon w5-3535X supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Memory channels: 8 (EPYC 7443) vs 4 (Xeon w5-3535X). PCIe lanes: 128 (EPYC 7443) vs 112 (Xeon w5-3535X) — the EPYC 7443 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7443) and W790 (Xeon w5-3535X).

Feature	EPYC 7443	Xeon w5-3535X
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+100%	4
ECC Support	Yes	Yes
PCIe Lanes	128+14%	112

🔧

Advanced Features

Only the Xeon w5-3535X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w5-3535X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Xeon w5-3535X targets Workstation. Direct competitor: EPYC 7443 rivals Xeon Platinum 8362; Xeon w5-3535X rivals Threadripper PRO 7965WX.

Feature	EPYC 7443	Xeon w5-3535X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	—	Workstation

💰

Value Analysis

At launch, the EPYC 7443 was priced at $2010, while the Xeon w5-3535X came in at $1699. On launch pricing ($2010 vs $1699), Xeon w5-3535X was $311 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7443 delivers 28.2 pts/$ vs 32.7 pts/$ for the Xeon w5-3535X — making the Xeon w5-3535X the 14.6% better value option.

Feature	EPYC 7443	Xeon w5-3535X
MSRP	$2010	$1699-15%
Performance per Dollar	28.2	32.7+16%
Release Date	2021	2024

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