Xeon Platinum 8176 vs Ryzen 5 PRO 8645HS
Xeon Platinum 8176
Ryzen 5 PRO 8645HS
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 8176
Performance Per Dollar Ryzen 5 PRO 8645HS
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8176 | Ryzen 5 PRO 8645HS |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Hawk Point (2024−2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8176 | Ryzen 5 PRO 8645HS |
|---|---|---|
| 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 Xeon Platinum 8176 and Ryzen 5 PRO 8645HS
Xeon Platinum 8176
The Xeon Platinum 8176 is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 28 cores and 56 threads. Base frequency is 2.1 GHz, with boost up to 3.8 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 23,179 points. Launch price was $8,719.
Ryzen 5 PRO 8645HS
The Ryzen 5 PRO 8645HS 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 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 23,227 points. Launch price was $299.
Processing Power
The Xeon Platinum 8176 packs 28 cores / 56 threads, while the Ryzen 5 PRO 8645HS offers 6 cores / 12 threads — the Xeon Platinum 8176 has 22 more cores. Boost clocks reach 3.8 GHz on the Xeon Platinum 8176 versus 5 GHz on the Ryzen 5 PRO 8645HS — a 27.3% clock advantage for the Ryzen 5 PRO 8645HS (base: 2.1 GHz vs 4.3 GHz). The Xeon Platinum 8176 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 5 PRO 8645HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Xeon Platinum 8176 scores 23,179 against the Ryzen 5 PRO 8645HS's 23,227 — a 0.2% lead for the Ryzen 5 PRO 8645HS. L3 cache: 38.5 MB on the Xeon Platinum 8176 vs 16 MB (total) on the Ryzen 5 PRO 8645HS.
| Feature | Xeon Platinum 8176 | Ryzen 5 PRO 8645HS |
|---|---|---|
| Cores / Threads | 28 / 56+367% | 6 / 12 |
| Boost Clock | 3.8 GHz | 5 GHz+32% |
| Base Clock | 2.1 GHz | 4.3 GHz+105% |
| L3 Cache | 38.5 MB+141% | 16 MB (total) |
| L2 Cache | 28 MB+2700% | 1 MB (per core) |
| Process | 14 nm | 4 nm-71% |
| Architecture | Skylake (server) (2017−2018) | Hawk Point (2024−2025) |
| PassMark | 23,179 | 23,227 |
Memory & Platform
The Xeon Platinum 8176 uses the LGA3647 socket (PCIe 3.0), while the Ryzen 5 PRO 8645HS uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon Platinum 8176 | Ryzen 5 PRO 8645HS |
|---|---|---|
| Socket | LGA3647 | FP7 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
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