EPYC 7453 vs Xeon w5-2555X
EPYC 7453
Xeon w5-2555X
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 7453
Performance Per Dollar Xeon w5-2555X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7453 | Xeon w5-2555X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,253) | ✅ More affordable ($1,145) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | EPYC 7453 | Xeon w5-2555X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+8%) |
| Upfront Cost | ⚠️ Higher cost ($1,253) | ✅ More affordable ($1,145) |
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 7453 and Xeon w5-2555X
EPYC 7453
The EPYC 7453 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 28 cores and 56 threads. Base frequency is 2.75 GHz, with boost up to 3.45 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,453 points. Launch price was $1,570.
Xeon w5-2555X
The Xeon w5-2555X is manufactured by Intel. It was released in 2015-01-01. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 33.75 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 252 Watt. Memory support: DDR5-4800. Passmark benchmark score: 47,638 points. Launch price was $800.
Processing Power
The EPYC 7453 packs 28 cores / 56 threads, while the Xeon w5-2555X offers 14 cores / 28 threads — the EPYC 7453 has 14 more cores. Boost clocks reach 3.45 GHz on the EPYC 7453 versus 4.8 GHz on the Xeon w5-2555X — a 32.7% clock advantage for the Xeon w5-2555X (base: 2.75 GHz vs 3.3 GHz). The EPYC 7453 is built on the Milan (2021−2023) architecture. In PassMark, the EPYC 7453 scores 48,453 against the Xeon w5-2555X's 47,638 — a 1.7% lead for the EPYC 7453. L3 cache: 64 MB (total) on the EPYC 7453 vs 33.75 MB Intel® Smart Cache on the Xeon w5-2555X.
| Feature | EPYC 7453 | Xeon w5-2555X |
|---|---|---|
| Cores / Threads | 28 / 56+100% | 14 / 28 |
| Boost Clock | 3.45 GHz | 4.8 GHz+39% |
| Base Clock | 2.75 GHz | 3.3 GHz+20% |
| L3 Cache | 64 MB (total)+90% | 33.75 MB Intel® Smart Cache |
| L2 Cache | 512 kB (per core) | — |
| Process | 7 nm+ | Intel 7 nm |
| Architecture | Milan (2021−2023) | — |
| PassMark | 48,453+2% | 47,638 |
Memory & Platform
The EPYC 7453 uses the SP3 socket (PCIe 4.0), while the Xeon w5-2555X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7453 versus 4800 on the Xeon w5-2555X — the Xeon w5-2555X 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 7453) vs 112 (Xeon w5-2555X) — the EPYC 7453 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (EPYC 7453) and W790 (Xeon w5-2555X).
| Feature | EPYC 7453 | Xeon w5-2555X |
|---|---|---|
| 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 w5-2555X 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. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7453 rivals Xeon Platinum 8362; Xeon w5-2555X rivals Threadripper PRO 7965WX.
| Feature | EPYC 7453 | Xeon w5-2555X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The EPYC 7453 launched at $1570 MSRP, while the Xeon w5-2555X debuted at $1069. At current prices ($1253 vs $1145), the Xeon w5-2555X is $108 cheaper. In terms of value (PassMark points per dollar), the EPYC 7453 delivers 38.7 pts/$ vs 41.6 pts/$ for the Xeon w5-2555X — making the Xeon w5-2555X the 7.3% better value option.
| Feature | EPYC 7453 | Xeon w5-2555X |
|---|---|---|
| MSRP | $1570 | $1069-32% |
| Avg Price (30d) | $1253 | $1145-9% |
| Performance per Dollar | 38.7 | 41.6+7% |
| Release Date | 2021 | 2024 |
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