
EPYC 7303P vs Xeon w5-2455X

EPYC 7303P

Xeon w5-2455X
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 7303P
Performance Per Dollar Xeon w5-2455X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7303P | Xeon w5-2455X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($594) | ⚠️ Higher cost ($1,049) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | EPYC 7303P | Xeon w5-2455X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+74%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($594) | ⚠️ Higher cost ($1,049) |
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 7303P and Xeon w5-2455X

EPYC 7303P
The EPYC 7303P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 130 Watt. Memory support: DDR4. Passmark benchmark score: 36,487 points. Launch price was $594.

Xeon w5-2455X
The Xeon w5-2455X 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 12 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 4.6 GHz. L3 cache: 30 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 200 Watt. Memory support: DDR5-4800. Passmark benchmark score: 37,109 points. Launch price was $1,039.
Processing Power
The EPYC 7303P packs 16 cores / 32 threads, while the Xeon w5-2455X offers 12 cores / 24 threads — the EPYC 7303P has 4 more cores. Boost clocks reach 3.4 GHz on the EPYC 7303P versus 4.6 GHz on the Xeon w5-2455X — a 30% clock advantage for the Xeon w5-2455X (base: 2.4 GHz vs 3.2 GHz). The EPYC 7303P uses the Milan (2021−2023) architecture (7 nm), while the Xeon w5-2455X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7303P scores 36,487 against the Xeon w5-2455X's 37,109 — a 1.7% lead for the Xeon w5-2455X. L3 cache: 64 MB (total) on the EPYC 7303P vs 30 MB on the Xeon w5-2455X.
| Feature | EPYC 7303P | Xeon w5-2455X |
|---|---|---|
| Cores / Threads | 16 / 32+33% | 12 / 24 |
| Boost Clock | 3.4 GHz | 4.6 GHz+35% |
| Base Clock | 2.4 GHz | 3.2 GHz+33% |
| L3 Cache | 64 MB (total)+113% | 30 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 | 36,487 | 37,109+2% |
Memory & Platform
The EPYC 7303P uses the SP3 socket (PCIe 4.0), while the Xeon w5-2455X uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7303P versus 4800 on the Xeon w5-2455X — the Xeon w5-2455X supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7303P supports up to 4096 of RAM compared to 2048 — 66.7% more capacity for professional workloads. Memory channels: 8 (EPYC 7303P) vs 4 (Xeon w5-2455X). PCIe lanes: 128 (EPYC 7303P) vs 64 (Xeon w5-2455X) — the EPYC 7303P offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7303P) and W790 (Xeon w5-2455X).
| Feature | EPYC 7303P | Xeon w5-2455X |
|---|---|---|
| Socket | SP3 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200 | 4800+50% |
| Max RAM Capacity | 4096+100% | 2048 |
| RAM Channels | 8+100% | 4 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+100% | 64 |
Advanced Features
Only the Xeon w5-2455X 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: AMD-V, IOMMU (EPYC 7303P) vs VT-x, VT-d (Xeon w5-2455X). Direct competitor: EPYC 7303P rivals Xeon Gold 6330; Xeon w5-2455X rivals Threadripper 7960X.
| Feature | EPYC 7303P | Xeon w5-2455X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V, IOMMU | VT-x, VT-d |
Value Analysis
The EPYC 7303P launched at $594 MSRP, while the Xeon w5-2455X debuted at $1039. At current prices ($594 vs $1049), the EPYC 7303P is $455 cheaper. In terms of value (PassMark points per dollar), the EPYC 7303P delivers 61.4 pts/$ vs 35.4 pts/$ for the Xeon w5-2455X — making the EPYC 7303P the 53.8% better value option.
| Feature | EPYC 7303P | Xeon w5-2455X |
|---|---|---|
| MSRP | $594-43% | $1039 |
| Avg Price (30d) | $594-43% | $1049 |
| Performance per Dollar | 61.4+73% | 35.4 |
| Release Date | 2023 | 2023 |
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