Xeon E-2356G vs Core Ultra 5 225U
Xeon E-2356G
Core Ultra 5 225U
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 E-2356G
Performance Per Dollar Core Ultra 5 225U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2356G | Core Ultra 5 225U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($544) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Rocket Lake-E (2021) / 14 nm) | ✨ Modern (Arrow Lake-U (2025) / 5 nm) |
💎 Value Proposition
| Insight | Xeon E-2356G | Core Ultra 5 225U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($544) | ✅ More affordable ($0) |
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 E-2356G and Core Ultra 5 225U
Xeon E-2356G
The Xeon E-2356G is manufactured by Intel. It was released in 2015-01-01. It is based on the Rocket Lake-E (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 5 GHz. L3 cache: 12 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 80 Watt. Memory support: DDR4-3200. Passmark benchmark score: 18,459 points. Launch price was $800.
Core Ultra 5 225U
The Core Ultra 5 225U is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-U (2025) architecture. It features 12 cores and 14 threads. Base frequency is 2.4 GHz, with boost up to 4.8 GHz. L3 cache: 12 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 14 MB + 12 MB. Memory support: DDR5. Passmark benchmark score: 18,434 points. Launch price was $299.
Processing Power
The Xeon E-2356G packs 6 cores / 12 threads, while the Core Ultra 5 225U offers 12 cores / 14 threads — the Core Ultra 5 225U has 6 more cores. Boost clocks reach 5 GHz on the Xeon E-2356G versus 4.8 GHz on the Core Ultra 5 225U — a 4.1% clock advantage for the Xeon E-2356G (base: 3.2 GHz vs 2.4 GHz). The Xeon E-2356G uses the Rocket Lake-E (2021) architecture (14 nm), while the Core Ultra 5 225U uses Arrow Lake-U (2025) (5 nm). In PassMark, the Xeon E-2356G scores 18,459 against the Core Ultra 5 225U's 18,434 — a 0.1% lead for the Xeon E-2356G. L3 cache: 12 MB (total) on the Xeon E-2356G vs 12 MB on the Core Ultra 5 225U.
| Feature | Xeon E-2356G | Core Ultra 5 225U |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 14+100% |
| Boost Clock | 5 GHz+4% | 4.8 GHz |
| Base Clock | 3.2 GHz+33% | 2.4 GHz |
| L3 Cache | 12 MB (total) | 12 MB |
| L2 Cache | 512K (per core) | — |
| Process | 14 nm | 5 nm-64% |
| Architecture | Rocket Lake-E (2021) | Arrow Lake-U (2025) |
| PassMark | 18,459 | 18,434 |
| Geekbench 6 Single | — | 2,374 |
| Geekbench 6 Multi | — | 7,846 |
Memory & Platform
The Xeon E-2356G uses the LGA1200 socket (PCIe 4.0), while the Core Ultra 5 225U uses FCBGA2049 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon E-2356G | Core Ultra 5 225U |
|---|---|---|
| Socket | LGA1200 | FCBGA2049 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | — | DDR5-6400 / LPDDR5x-8400 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Xeon E-2356G) / VT-x / VT-d / EPT (Core Ultra 5 225U). The Core Ultra 5 225U includes integrated graphics (Intel Graphics (4 Xe Cores)), while the Xeon E-2356G requires a dedicated GPU. Primary use case: Core Ultra 5 225U targets Productivity. Direct competitor: Core Ultra 5 225U rivals Ryzen 5 8640U.
| Feature | Xeon E-2356G | Core Ultra 5 225U |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel Graphics (4 Xe Cores) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x / VT-d / EPT |
| Target Use | — | Productivity |
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