
Xeon E-2278G vs Core i5-11400

Xeon E-2278G

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 E-2278G
Performance Per Dollar Core i5-11400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2278G | Core i5-11400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($141) |
| Longevity | ✨ Modern (Coffee Lake-S WS (2018−2019) / 14 nm) | ✨ Modern (Rocket Lake (2021) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E-2278G | 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 E-2278G and Core i5-11400

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.

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 E-2278G packs 8 cores / 16 threads, while the Core i5-11400 offers 6 cores / 12 threads — the Xeon E-2278G has 2 more cores. Boost clocks reach 5 GHz on the Xeon E-2278G versus 4.4 GHz on the Core i5-11400 — a 12.8% clock advantage for the Xeon E-2278G (base: 3.4 GHz vs 2.6 GHz). The Xeon E-2278G uses the Coffee Lake-S WS (2018−2019) architecture (14 nm), while the Core i5-11400 uses Rocket Lake (2021) (14 nm). In PassMark, the Xeon E-2278G scores 16,825 against the Core i5-11400's 16,670 — a 0.9% lead for the Xeon E-2278G. L3 cache: 16 MB (total) on the Xeon E-2278G vs 12 MB (total) on the Core i5-11400.
| Feature | Xeon E-2278G | Core i5-11400 |
|---|---|---|
| Cores / Threads | 8 / 16+33% | 6 / 12 |
| Boost Clock | 5 GHz+14% | 4.4 GHz |
| Base Clock | 3.4 GHz+31% | 2.6 GHz |
| L3 Cache | 16 MB (total)+33% | 12 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-S WS (2018−2019) | Rocket Lake (2021) |
| PassMark | 16,825 | 16,670 |
| Cinebench R23 Multi | — | 10,350 |
| Geekbench 6 Single | — | 1,960 |
| Geekbench 6 Multi | — | 7,260 |
Memory & Platform
The Xeon E-2278G uses the LGA1151 socket (PCIe 3.0), while the Core i5-11400 uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Xeon E-2278G) vs 20 (Core i5-11400) — the Core i5-11400 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C242,C246 (Xeon E-2278G) and B560,Z590 (Core i5-11400).
| Feature | Xeon E-2278G | Core i5-11400 |
|---|---|---|
| Socket | LGA1151 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2666 | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 20+25% |
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 / EPT (Xeon E-2278G) vs VT-x, VT-d (Core i5-11400). Both include integrated graphics — Intel UHD Graphics P630 (Xeon E-2278G) and Intel UHD Graphics 730 (Core i5-11400) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Xeon E-2278G targets Server, Core i5-11400 targets Mainstream Desktop. Direct competitor: Core i5-11400 rivals Ryzen 5 5600X.
| Feature | Xeon E-2278G | Core i5-11400 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics P630 | Intel UHD Graphics 730 |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x / VT-d / EPT | VT-x, VT-d |
| Target Use | Server | Mainstream Desktop |
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