
Xeon Platinum 8256

Ryzen 7 PRO 5875U
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 8256
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8256 | Ryzen 7 PRO 5875U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Cezanne U (Zen 3) (2021−2022) / 7 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8256 | Ryzen 7 PRO 5875U |
|---|---|---|
| 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 8256 and Ryzen 7 PRO 5875U

Xeon Platinum 8256
The Xeon Platinum 8256 is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 3.9 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2933. Passmark benchmark score: 16,787 points. Launch price was $7,007.

Ryzen 7 PRO 5875U
The Ryzen 7 PRO 5875U is manufactured by AMD. It was released in 19 April 2022 (3 years ago). It is based on the Cezanne U (Zen 3) (2021−2022) architecture. It features 8 cores and 16 threads. Base frequency is 2 GHz, with boost up to 4.5 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 15 Watt. Memory support: DDR4-3200. Passmark benchmark score: 16,666 points. Launch price was $299.
Processing Power
The Xeon Platinum 8256 packs 4 cores / 8 threads, while the Ryzen 7 PRO 5875U offers 8 cores / 16 threads — the Ryzen 7 PRO 5875U has 4 more cores. Boost clocks reach 3.9 GHz on the Xeon Platinum 8256 versus 4.5 GHz on the Ryzen 7 PRO 5875U — a 14.3% clock advantage for the Ryzen 7 PRO 5875U (base: 3.8 GHz vs 2 GHz). The Xeon Platinum 8256 uses the Cascade Lake-SP (2018) architecture (14 nm), while the Ryzen 7 PRO 5875U uses Cezanne U (Zen 3) (2021−2022) (7 nm). In PassMark, the Xeon Platinum 8256 scores 16,787 against the Ryzen 7 PRO 5875U's 16,666 — a 0.7% lead for the Xeon Platinum 8256. L3 cache: 16.5 MB (total) on the Xeon Platinum 8256 vs 16 MB (total) on the Ryzen 7 PRO 5875U.
| Feature | Xeon Platinum 8256 | Ryzen 7 PRO 5875U |
|---|---|---|
| Cores / Threads | 4 / 8 | 8 / 16+100% |
| Boost Clock | 3.9 GHz | 4.5 GHz+15% |
| Base Clock | 3.8 GHz+90% | 2 GHz |
| L3 Cache | 16.5 MB (total)+3% | 16 MB (total) |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 14 nm | 7 nm-50% |
| Architecture | Cascade Lake-SP (2018) | Cezanne U (Zen 3) (2021−2022) |
| PassMark | 16,787 | 16,666 |
Memory & Platform
The Xeon Platinum 8256 uses the LGA3647 socket (PCIe 3.0), while the Ryzen 7 PRO 5875U uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon Platinum 8256 | Ryzen 7 PRO 5875U |
|---|---|---|
| Socket | LGA3647 | FP6 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
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