EPYC 7451 vs Ryzen 7 PRO 8840HS
EPYC 7451
Ryzen 7 PRO 8840HS
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 7451
Performance Per Dollar Ryzen 7 PRO 8840HS
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7451 | Ryzen 7 PRO 8840HS |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Naples (2017−2018) / 14 nm) | ✨ Modern (Hawk Point (2024−2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 7451 | Ryzen 7 PRO 8840HS |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 7451 and Ryzen 7 PRO 8840HS
EPYC 7451
The EPYC 7451 is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 24 cores and 48 threads. Base frequency is 2.3 GHz, with boost up to 3.2 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 26,639 points. Launch price was $2,400.
Ryzen 7 PRO 8840HS
The Ryzen 7 PRO 8840HS is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 26,864 points. Launch price was $299.
Processing Power
The EPYC 7451 packs 24 cores / 48 threads, while the Ryzen 7 PRO 8840HS offers 8 cores / 16 threads — the EPYC 7451 has 16 more cores. Boost clocks reach 3.2 GHz on the EPYC 7451 versus 5.1 GHz on the Ryzen 7 PRO 8840HS — a 45.8% clock advantage for the Ryzen 7 PRO 8840HS (base: 2.3 GHz vs 3.3 GHz). The EPYC 7451 uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 7 PRO 8840HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the EPYC 7451 scores 26,639 against the Ryzen 7 PRO 8840HS's 26,864 — a 0.8% lead for the Ryzen 7 PRO 8840HS. L3 cache: 64 MB (total) on the EPYC 7451 vs 16 MB (total) on the Ryzen 7 PRO 8840HS.
| Feature | EPYC 7451 | Ryzen 7 PRO 8840HS |
|---|---|---|
| Cores / Threads | 24 / 48+200% | 8 / 16 |
| Boost Clock | 3.2 GHz | 5.1 GHz+59% |
| Base Clock | 2.3 GHz | 3.3 GHz+43% |
| L3 Cache | 64 MB (total)+300% | 16 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 14 nm | 4 nm-71% |
| Architecture | Naples (2017−2018) | Hawk Point (2024−2025) |
| PassMark | 26,639 | 26,864 |
Memory & Platform
The EPYC 7451 uses the TR4 socket (PCIe 4.0), while the Ryzen 7 PRO 8840HS uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | EPYC 7451 | Ryzen 7 PRO 8840HS |
|---|---|---|
| Socket | TR4 | FP7 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
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