Xeon w5-3535X vs EPYC 7443
Xeon w5-3535X
EPYC 7443
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 w5-3535X
Performance Per Dollar EPYC 7443
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w5-3535X | EPYC 7443 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,699) | ⚠️ Higher cost ($1,800) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Xeon w5-3535X | EPYC 7443 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+4%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,699) | ⚠️ Higher cost ($1,800) |
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 w5-3535X and EPYC 7443
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.
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.
Processing Power
The Xeon w5-3535X packs 20 cores / 40 threads, while the EPYC 7443 offers 24 cores / 48 threads — the EPYC 7443 has 4 more cores. Boost clocks reach 4.8 GHz on the Xeon w5-3535X versus 4 GHz on the EPYC 7443 — a 18.2% clock advantage for the Xeon w5-3535X (base: 2.9 GHz vs 2.85 GHz). The Xeon w5-3535X uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the EPYC 7443 uses Milan (2021−2023) (7 nm+). In PassMark, the Xeon w5-3535X scores 55,532 against the EPYC 7443's 56,743 — a 2.2% lead for the EPYC 7443. L3 cache: 52.5 MB on the Xeon w5-3535X vs 128 MB (total) on the EPYC 7443.
| Feature | Xeon w5-3535X | EPYC 7443 |
|---|---|---|
| Cores / Threads | 20 / 40 | 24 / 48+20% |
| Boost Clock | 4.8 GHz+20% | 4 GHz |
| Base Clock | 2.9 GHz+2% | 2.85 GHz |
| L3 Cache | 52.5 MB | 128 MB (total)+144% |
| L2 Cache | 2 MB (per core)+300% | 512 kB (per core) |
| Process | Intel 7 nm | 7 nm+ |
| Architecture | Sapphire Rapids (2023−2024) | Milan (2021−2023) |
| PassMark | 55,532 | 56,743+2% |
| Geekbench 6 Single | 2,300 | — |
| Geekbench 6 Multi | 30,000 | — |
Memory & Platform
The Xeon w5-3535X uses the LGA4677 socket (PCIe 5.0), while the EPYC 7443 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Xeon w5-3535X versus 3200 on the EPYC 7443 — the EPYC 7443 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Memory channels: 4 (Xeon w5-3535X) vs 8 (EPYC 7443). PCIe lanes: 112 (Xeon w5-3535X) vs 128 (EPYC 7443) — the EPYC 7443 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W790 (Xeon w5-3535X) and SP3 (EPYC 7443).
| Feature | Xeon w5-3535X | EPYC 7443 |
|---|---|---|
| Socket | LGA4677 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800 | 3200+63900% |
| Max RAM Capacity | 4096 GB+104857500% | 4096 |
| RAM Channels | 4 | 8+100% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 112 | 128+14% |
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: Xeon w5-3535X rivals Threadripper PRO 7965WX; EPYC 7443 rivals Xeon Platinum 8362.
| Feature | Xeon w5-3535X | EPYC 7443 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Workstation | — |
Value Analysis
The Xeon w5-3535X launched at $1699 MSRP, while the EPYC 7443 debuted at $2010.
| Feature | Xeon w5-3535X | EPYC 7443 |
|---|---|---|
| MSRP | $1699-15% | $2010 |
| Avg Price (30d) | — | $1800 |
| Release Date | 2024 | 2021 |
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