Xeon Platinum 8454H vs EPYC 7543
Xeon Platinum 8454H
EPYC 7543
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 Platinum 8454H
Performance Per Dollar EPYC 7543
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8454H | EPYC 7543 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($6,540) | ✅ More affordable ($468) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Xeon Platinum 8454H | EPYC 7543 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1311%) |
| Upfront Cost | ⚠️ Higher cost ($6,540) | ✅ More affordable ($468) |
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 Platinum 8454H and EPYC 7543
Xeon Platinum 8454H
The Xeon Platinum 8454H is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L3 cache: 82.5 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, DDR5-4400. Passmark benchmark score: 62,347 points. Launch price was $6,540.
EPYC 7543
The EPYC 7543 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 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 256 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: 62,952 points. Launch price was $3,761.
Processing Power
Both the Xeon Platinum 8454H and EPYC 7543 share an identical 32-core/64-thread configuration. Boost clocks reach 3.4 GHz on the Xeon Platinum 8454H versus 3.7 GHz on the EPYC 7543 — a 8.5% clock advantage for the EPYC 7543 (base: 2.1 GHz vs 2.8 GHz). The Xeon Platinum 8454H uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the EPYC 7543 uses Milan (2021−2023) (7 nm+). In PassMark, the Xeon Platinum 8454H scores 62,347 against the EPYC 7543's 62,952 — a 1% lead for the EPYC 7543. L3 cache: 82.5 MB on the Xeon Platinum 8454H vs 256 MB (total) on the EPYC 7543.
| Feature | Xeon Platinum 8454H | EPYC 7543 |
|---|---|---|
| Cores / Threads | 32 / 64 | 32 / 64 |
| Boost Clock | 3.4 GHz | 3.7 GHz+9% |
| Base Clock | 2.1 GHz | 2.8 GHz+33% |
| L3 Cache | 82.5 MB | 256 MB (total)+210% |
| 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 | 62,347 | 62,952 |
Memory & Platform
The Xeon Platinum 8454H uses the LGA4677 socket (PCIe 5.0), while the EPYC 7543 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon Platinum 8454H versus 3200 on the EPYC 7543 — the Xeon Platinum 8454H 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: 80 (Xeon Platinum 8454H) vs 128 (EPYC 7543) — the EPYC 7543 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Platinum 8454H) and SP3 (EPYC 7543).
| Feature | Xeon Platinum 8454H | EPYC 7543 |
|---|---|---|
| Socket | LGA4677 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800+50% | 3200 |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80 | 128+60% |
Advanced Features
Neither processor supports overclocking. Only the Xeon Platinum 8454H supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Direct competitor: Xeon Platinum 8454H rivals EPYC 9354; EPYC 7543 rivals Xeon Platinum 8380.
| Feature | Xeon Platinum 8454H | EPYC 7543 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon Platinum 8454H launched at $6540 MSRP, while the EPYC 7543 debuted at $10257.
| Feature | Xeon Platinum 8454H | EPYC 7543 |
|---|---|---|
| MSRP | $6540-36% | $10257 |
| Avg Price (30d) | — | $468 |
| Release Date | 2023 | 2021 |
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