EPYC 7443 vs Xeon W-3365
EPYC 7443
Xeon W-3365
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 EPYC 7443
Performance Per Dollar Xeon W-3365
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7443 | Xeon W-3365 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,800) | ⚠️ Higher cost ($3,499) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Ice Lake-W (2021) / 10 nm) |
💎 Value Proposition
| Insight | EPYC 7443 | Xeon W-3365 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+92%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,800) | ⚠️ Higher cost ($3,499) |
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 EPYC 7443 and Xeon W-3365
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 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 7443 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 7443 versus 4 GHz on the Xeon W-3365 — identical boost frequencies (base: 2.85 GHz vs 2.7 GHz). The EPYC 7443 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon W-3365 uses Ice Lake-W (2021) (10 nm). In PassMark, the EPYC 7443 scores 56,743 against the Xeon W-3365's 57,312 — a 1% lead for the Xeon W-3365. L3 cache: 128 MB (total) on the EPYC 7443 vs 48 MB (total) on the Xeon W-3365.
| Feature | EPYC 7443 | 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 | 56,743 | 57,312+1% |
| Geekbench 6 Single | — | 1,960 |
| Geekbench 6 Multi | — | 16,817 |
Memory & Platform
The EPYC 7443 uses the SP3 socket (PCIe 4.0), while the Xeon W-3365 uses LGA4189 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7443 versus DDR4-3200 on the Xeon W-3365 — the EPYC 7443 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7443) vs 64 (Xeon W-3365) — the EPYC 7443 offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7443) and Intel C621A (Xeon W-3365).
| Feature | EPYC 7443 | Xeon W-3365 |
|---|---|---|
| Socket | SP3 | LGA4189 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+79900% | DDR4-3200 |
| Max RAM Capacity | 4096 | 4096 GB+104857500% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| 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 7443) vs true (Xeon W-3365). Direct competitor: EPYC 7443 rivals Xeon Platinum 8362; Xeon W-3365 rivals EPYC 7543.
| Feature | EPYC 7443 | 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
The EPYC 7443 launched at $2010 MSRP, while the Xeon W-3365 debuted at $3499. At current prices ($1800 vs $3499), the EPYC 7443 is $1699 cheaper. In terms of value (PassMark points per dollar), the EPYC 7443 delivers 31.5 pts/$ vs 16.4 pts/$ for the Xeon W-3365 — making the EPYC 7443 the 63.2% better value option.
| Feature | EPYC 7443 | Xeon W-3365 |
|---|---|---|
| MSRP | $2010-43% | $3499 |
| Avg Price (30d) | $1800-49% | $3499 |
| Performance per Dollar | 31.5+92% | 16.4 |
| Release Date | 2021 | 2021 |
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