CPU
GPU
Xeon Platinum 8256
Core i5-11400
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 Core i5-11400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8256 | Core i5-11400 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($141) |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Rocket Lake (2021) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8256 | Core i5-11400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($141) |
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 Core i5-11400
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.
Core i5-11400
The Core i5-11400 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 6 cores and 12 threads. Base frequency is 2.6 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 16,670 points. Launch price was $299.
Processing Power
The Xeon Platinum 8256 packs 4 cores / 8 threads, while the Core i5-11400 offers 6 cores / 12 threads — the Core i5-11400 has 2 more cores. Boost clocks reach 3.9 GHz on the Xeon Platinum 8256 versus 4.4 GHz on the Core i5-11400 — a 12% clock advantage for the Core i5-11400 (base: 3.8 GHz vs 2.6 GHz). The Xeon Platinum 8256 uses the Cascade Lake-SP (2018) architecture (14 nm), while the Core i5-11400 uses Rocket Lake (2021) (14 nm). In PassMark, the Xeon Platinum 8256 scores 16,787 against the Core i5-11400's 16,670 — a 0.7% lead for the Xeon Platinum 8256. L3 cache: 16.5 MB (total) on the Xeon Platinum 8256 vs 12 MB (total) on the Core i5-11400.
| Feature | Xeon Platinum 8256 | Core i5-11400 |
|---|---|---|
| Cores / Threads | 4 / 8 | 6 / 12+50% |
| Boost Clock | 3.9 GHz | 4.4 GHz+13% |
| Base Clock | 3.8 GHz+46% | 2.6 GHz |
| L3 Cache | 16.5 MB (total)+38% | 12 MB (total) |
| L2 Cache | 1 MB (per core)+300% | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Cascade Lake-SP (2018) | Rocket Lake (2021) |
| PassMark | 16,787 | 16,670 |
| Cinebench R23 Multi | — | 10,350 |
| Geekbench 6 Single | — | 1,960 |
| Geekbench 6 Multi | — | 7,260 |
Memory & Platform
The Xeon Platinum 8256 uses the LGA3647 socket (PCIe 3.0), while the Core i5-11400 uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon Platinum 8256 | Core i5-11400 |
|---|---|---|
| Socket | LGA3647 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Xeon Platinum 8256) / VT-x, VT-d (Core i5-11400). The Core i5-11400 includes integrated graphics (Intel UHD Graphics 730), while the Xeon Platinum 8256 requires a dedicated GPU. Primary use case: Core i5-11400 targets Mainstream Desktop. Direct competitor: Core i5-11400 rivals Ryzen 5 5600X.
| Feature | Xeon Platinum 8256 | Core i5-11400 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel UHD Graphics 730 |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Mainstream Desktop |
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