Xeon W-3365 vs EPYC 7443P
Xeon W-3365
EPYC 7443P
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon W-3365
Performance Per Dollar EPYC 7443P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3365 | EPYC 7443P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($3,499) | ✅ More affordable ($1,045) |
| Longevity | ✨ Modern (Ice Lake-W (2021) / 10 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Xeon W-3365 | EPYC 7443P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+232%) |
| Upfront Cost | ⚠️ Higher cost ($3,499) | ✅ More affordable ($1,045) |
Performance Check
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.
Technical Specifications
Side-by-side comparison of Xeon W-3365 and EPYC 7443P
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.
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.
Processing Power
The Xeon W-3365 packs 32 cores / 64 threads, while the EPYC 7443P offers 24 cores / 48 threads — the Xeon W-3365 has 8 more cores. Boost clocks reach 4 GHz on the Xeon W-3365 versus 4 GHz on the EPYC 7443P — identical boost frequencies (base: 2.7 GHz vs 2.85 GHz). The Xeon W-3365 uses the Ice Lake-W (2021) architecture (10 nm), while the EPYC 7443P uses Milan (2021−2023) (7 nm+). In PassMark, the Xeon W-3365 scores 57,312 against the EPYC 7443P's 56,808 — a 0.9% lead for the Xeon W-3365. L3 cache: 48 MB (total) on the Xeon W-3365 vs 128 MB (total) on the EPYC 7443P.
| Feature | Xeon W-3365 | EPYC 7443P |
|---|---|---|
| Cores / Threads | 32 / 64+33% | 24 / 48 |
| Boost Clock | 4 GHz | 4 GHz |
| Base Clock | 2.7 GHz | 2.85 GHz+6% |
| L3 Cache | 48 MB (total) | 128 MB (total)+167% |
| L2 Cache | 1 MB (per core)+100% | 512 kB (per core) |
| Process | 10 nm | 7 nm+-30% |
| Architecture | Ice Lake-W (2021) | Milan (2021−2023) |
| PassMark | 57,312 | 56,808 |
| Geekbench 6 Single | 1,960 | — |
| Geekbench 6 Multi | 16,817 | — |
Memory & Platform
The Xeon W-3365 uses the LGA4189 socket (PCIe 5.0), while the EPYC 7443P uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Xeon W-3365 versus 3200 on the EPYC 7443P — the EPYC 7443P supports 199.5% 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: 64 (Xeon W-3365) vs 128 (EPYC 7443P) — the EPYC 7443P offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621A (Xeon W-3365) and SP3 (EPYC 7443P).
| Feature | Xeon W-3365 | EPYC 7443P |
|---|---|---|
| Socket | LGA4189 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | 3200+79900% |
| Max RAM Capacity | 4096 GB+104857500% | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64 | 128+100% |
Advanced Features
Neither processor supports overclocking. Only the Xeon W-3365 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Xeon W-3365) vs VT-x, VT-d (EPYC 7443P). Direct competitor: Xeon W-3365 rivals EPYC 7543; EPYC 7443P rivals Xeon Platinum 8362.
| Feature | Xeon W-3365 | EPYC 7443P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | true | VT-x, VT-d |
Value Analysis
The Xeon W-3365 launched at $3499 MSRP, while the EPYC 7443P debuted at $1337. At current prices ($3499 vs $1045), the EPYC 7443P is $2454 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3365 delivers 16.4 pts/$ vs 54.4 pts/$ for the EPYC 7443P — making the EPYC 7443P the 107.4% better value option.
| Feature | Xeon W-3365 | EPYC 7443P |
|---|---|---|
| MSRP | $3499 | $1337-62% |
| Avg Price (30d) | $3499 | $1045-70% |
| Performance per Dollar | 16.4 | 54.4+232% |
| Release Date | 2021 | 2021 |
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