EPYC 7343 vs Xeon w5-3435X
EPYC 7343
Xeon w5-3435X
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 7343
Performance Per Dollar Xeon w5-3435X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7343 | Xeon w5-3435X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,350) | ✅ More affordable ($163) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | EPYC 7343 | Xeon w5-3435X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+756%) |
| Upfront Cost | ⚠️ Higher cost ($1,350) | ✅ More affordable ($163) |
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 7343 and Xeon w5-3435X
EPYC 7343
The EPYC 7343 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 16 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 3.9 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 190 Watt. Memory support: DDR4-3200. Passmark benchmark score: 43,644 points. Launch price was $1,565.
Xeon w5-3435X
The Xeon w5-3435X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 3.1 GHz, with boost up to 4.7 GHz. L3 cache: 45 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800. Passmark benchmark score: 45,086 points. Launch price was $1,589.
Processing Power
Both the EPYC 7343 and Xeon w5-3435X share an identical 16-core/32-thread configuration. Boost clocks reach 3.9 GHz on the EPYC 7343 versus 4.7 GHz on the Xeon w5-3435X — a 18.6% clock advantage for the Xeon w5-3435X (base: 3.2 GHz vs 3.1 GHz). The EPYC 7343 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w5-3435X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7343 scores 43,644 against the Xeon w5-3435X's 45,086 — a 3.3% lead for the Xeon w5-3435X. L3 cache: 128 MB (total) on the EPYC 7343 vs 45 MB on the Xeon w5-3435X.
| Feature | EPYC 7343 | Xeon w5-3435X |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 32 |
| Boost Clock | 3.9 GHz | 4.7 GHz+21% |
| Base Clock | 3.2 GHz+3% | 3.1 GHz |
| L3 Cache | 128 MB (total)+184% | 45 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 | 43,644 | 45,086+3% |
Memory & Platform
The EPYC 7343 uses the SP3 socket (PCIe 4.0), while the Xeon w5-3435X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7343 versus 4800 on the Xeon w5-3435X — the Xeon w5-3435X supports 40% 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 7343) vs 112 (Xeon w5-3435X) — the EPYC 7343 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7343) and W790 (Xeon w5-3435X).
| Feature | EPYC 7343 | Xeon w5-3435X |
|---|---|---|
| Socket | SP3 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | 4800+50% |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+14% | 112 |
Advanced Features
Only the Xeon w5-3435X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (EPYC 7343) vs VT-x, VT-d (Xeon w5-3435X). Direct competitor: EPYC 7343 rivals Xeon Gold 6248; Xeon w5-3435X rivals Threadripper PRO 7955WX.
| Feature | EPYC 7343 | Xeon w5-3435X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
Value Analysis
The EPYC 7343 launched at $1565 MSRP, while the Xeon w5-3435X debuted at $1589. At current prices ($1350 vs $163), the Xeon w5-3435X is $1187 cheaper. In terms of value (PassMark points per dollar), the EPYC 7343 delivers 32.3 pts/$ vs 276.6 pts/$ for the Xeon w5-3435X — making the Xeon w5-3435X the 158.1% better value option.
| Feature | EPYC 7343 | Xeon w5-3435X |
|---|---|---|
| MSRP | $1565-2% | $1589 |
| Avg Price (30d) | $1350 | $163-88% |
| Performance per Dollar | 32.3 | 276.6+756% |
| Release Date | 2021 | 2023 |
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