EPYC 7443P vs Xeon W-3365

EPYC 7443P vs Xeon W-3365 Performance Spectrum

EPYC 7443P

24 / 48

56,808

0.0%

Ryzen Threadripper PRO 3995WX

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Xeon W-3365

32 / 64

57,312

+0.9%

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 7443P vs Xeon W-3365 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 7443P vs Xeon W-3365: Pros, Cons & Final Verdict

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

EPYC 7443P

2021

Why buy it

✅+166.7% larger total L3 cache (128 MB vs 48 MB).
✅Costs $2,162 less on MSRP ($1,337 MSRP vs $3,499 MSRP).
✅Delivers 159.4% more PassMark for each dollar spent, at 42.5 vs 16.4 PassMark/$ ($1,337 MSRP vs $3,499 MSRP).
✅Draws 200W instead of 270W, a 70W reduction.
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-3365 across 50 shared CPU benchmark tests.
❌Lower PassMark (56,808 vs 57,312).
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon W-3365

2021

Why buy it

✅Better for gaming: +9.6% higher average FPS across 50 shared CPU benchmark tests.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Smaller total L3 cache (48 MB vs 128 MB).
❌Lower PassMark per dollar, at 16.4 vs 42.5 PassMark/$ ($3,499 MSRP vs $1,337 MSRP).
❌35% higher power demand at 270W vs 200W.

Quick Answers

So, is Xeon W-3365 better than EPYC 7443P?

Yes. Xeon W-3365 is the better all-around CPU here. It gives you a 9.6% 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 W-3365 is the better pick. According to our tests, it delivers 9.6% 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 W-3365 is the stronger fit. You are getting 0.9% better PassMark, backed by 32 cores and 64 threads.

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

Xeon W-3365 is still the faster CPU overall, but EPYC 7443P is easier to justify if budget matters more than peak performance. Xeon W-3365 comes in 161.7% more expensive on MSRP at $3,499 MSRP versus $1,337 MSRP, and it still gives you a 9.6% average FPS lead across 50 shared CPU game tests in our data. EPYC 7443P is also 159.4% better value on MSRP (42.5 vs 16.4 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon W-3365 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 32 cores / 64 threads instead of 24/48 and AVX-512 support for heavier modern compute workloads. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

EPYC 7443P vs Xeon W-3365 Technical Specifications

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

EPYC 7443P

The EPYC 7443P 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: 56,808 points. Launch price was $1,337.

Xeon W-3365

The Xeon W-3365 is manufactured by Intel. It was released in 2021-07-29. It is based on the Ice Lake-W (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.7 GHz, with boost up to 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): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 57,312 points. Launch price was $3,499.

⚡

Processing Power

The EPYC 7443P packs 24 cores / 48 threads, while the Xeon W-3365 offers 32 cores / 64 threads — the Xeon W-3365 has 8 more cores. Boost clocks reach 4 GHz on the EPYC 7443P versus 4 GHz on the Xeon W-3365 — identical boost frequencies (base: 2.85 GHz vs 2.7 GHz). The EPYC 7443P uses the Milan (2021−2023) architecture (7 nm+), while the Xeon W-3365 uses Ice Lake-W (2021) (10 nm). In PassMark, the EPYC 7443P scores 56,808 against the Xeon W-3365's 57,312 — a 0.9% lead for the Xeon W-3365. L3 cache: 128 MB (total) on the EPYC 7443P vs 48 MB (total) on the Xeon W-3365.

Feature	EPYC 7443P	Xeon W-3365
Cores / Threads	24 / 48	32 / 64+33%
Boost Clock	4 GHz	4 GHz
Base Clock	2.85 GHz+6%	2.7 GHz
L3 Cache	128 MB (total)+167%	48 MB (total)
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	7 nm+-30%	10 nm
Architecture	Milan (2021−2023)	Ice Lake-W (2021)
PassMark	56,808	57,312
Geekbench 6 Single	—	1,960
Geekbench 6 Multi	—	16,817

🧠

Memory & Platform

The EPYC 7443P uses the SP3 socket (PCIe 4.0), while the Xeon W-3365 uses LGA4189 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to 3200 memory speed. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7443P) vs 64 (Xeon W-3365) — the EPYC 7443P offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7443P) and Intel C621A (Xeon W-3365).

Feature	EPYC 7443P	Xeon W-3365
Socket	SP3	LGA4189
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200	DDR4-3200
Max RAM Capacity	4096 GB	4096 GB
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+100%	64

🔧

Advanced Features

Neither processor supports overclocking. Only the Xeon W-3365 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7443P) vs true (Xeon W-3365). Direct competitor: EPYC 7443P rivals Xeon Platinum 8362; Xeon W-3365 rivals EPYC 7543.

Feature	EPYC 7443P	Xeon W-3365
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

At launch, the EPYC 7443P was priced at $1337, while the Xeon W-3365 came in at $3499. On launch pricing ($1337 vs $3499), EPYC 7443P was $2162 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7443P delivers 42.5 pts/$ vs 16.4 pts/$ for the Xeon W-3365 — making the EPYC 7443P the 88.7% better value option.

Feature	EPYC 7443P	Xeon W-3365
MSRP	$1337-62%	$3499
Performance per Dollar	42.5+159%	16.4
Release Date	2021	2021

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