Core i5-11400 vs Xeon E-2278G
Core i5-11400
Xeon E-2278G
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 Core i5-11400
Performance Per Dollar Xeon E-2278G
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-11400 | Xeon E-2278G |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($141) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Coffee Lake-S WS (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-11400 | Xeon E-2278G |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($141) | ✅ 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 Core i5-11400 and Xeon E-2278G
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.
Xeon E-2278G
The Xeon E-2278G is manufactured by Intel. It was released in 29 May 2019 (6 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 16,825 points. Launch price was $494.
Processing Power
The Core i5-11400 packs 6 cores / 12 threads, while the Xeon E-2278G offers 8 cores / 16 threads — the Xeon E-2278G has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-11400 versus 5 GHz on the Xeon E-2278G — a 12.8% clock advantage for the Xeon E-2278G (base: 2.6 GHz vs 3.4 GHz). The Core i5-11400 uses the Rocket Lake (2021) architecture (14 nm), while the Xeon E-2278G uses Coffee Lake-S WS (2018−2019) (14 nm). In PassMark, the Core i5-11400 scores 16,670 against the Xeon E-2278G's 16,825 — a 0.9% lead for the Xeon E-2278G. L3 cache: 12 MB (total) on the Core i5-11400 vs 16 MB (total) on the Xeon E-2278G.
| Feature | Core i5-11400 | Xeon E-2278G |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 4.4 GHz | 5 GHz+14% |
| Base Clock | 2.6 GHz | 3.4 GHz+31% |
| L3 Cache | 12 MB (total) | 16 MB (total)+33% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Rocket Lake (2021) | Coffee Lake-S WS (2018−2019) |
| PassMark | 16,670 | 16,825 |
| Cinebench R23 Multi | 10,350 | — |
| Geekbench 6 Single | 1,960 | — |
| Geekbench 6 Multi | 7,260 | — |
Memory & Platform
The Core i5-11400 uses the LGA1200 socket (PCIe 4.0), while the Xeon E-2278G uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-11400) vs 16 (Xeon E-2278G) — the Core i5-11400 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: B560,Z590 (Core i5-11400) and C242,C246 (Xeon E-2278G).
| Feature | Core i5-11400 | Xeon E-2278G |
|---|---|---|
| Socket | LGA1200 | LGA1151 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-2666 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20+25% | 16 |
Advanced Features
Neither processor supports overclocking. Only the Core i5-11400 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i5-11400) vs VT-x / VT-d / EPT (Xeon E-2278G). Both include integrated graphics — Intel UHD Graphics 730 (Core i5-11400) and Intel UHD Graphics P630 (Xeon E-2278G) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-11400 targets Mainstream Desktop, Xeon E-2278G targets Server. Direct competitor: Core i5-11400 rivals Ryzen 5 5600X.
| Feature | Core i5-11400 | Xeon E-2278G |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 730 | Intel UHD Graphics P630 |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x / VT-d / EPT |
| Target Use | Mainstream Desktop | Server |
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