Xeon E-2278G vs Xeon Platinum 8256
Xeon E-2278G
Xeon Platinum 8256
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 Xeon Platinum 8256
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2278G | Xeon Platinum 8256 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Coffee Lake-S WS (2018−2019) / 14 nm) | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E-2278G | Xeon Platinum 8256 |
|---|---|---|
| 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 E-2278G and Xeon Platinum 8256
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.
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.
Processing Power
The Xeon E-2278G packs 8 cores / 16 threads, while the Xeon Platinum 8256 offers 4 cores / 8 threads — the Xeon E-2278G has 4 more cores. Boost clocks reach 5 GHz on the Xeon E-2278G versus 3.9 GHz on the Xeon Platinum 8256 — a 24.7% clock advantage for the Xeon E-2278G (base: 3.4 GHz vs 3.8 GHz). The Xeon E-2278G uses the Coffee Lake-S WS (2018−2019) architecture (14 nm), while the Xeon Platinum 8256 uses Cascade Lake-SP (2018) (14 nm). In PassMark, the Xeon E-2278G scores 16,825 against the Xeon Platinum 8256's 16,787 — a 0.2% lead for the Xeon E-2278G. L3 cache: 16 MB (total) on the Xeon E-2278G vs 16.5 MB (total) on the Xeon Platinum 8256.
| Feature | Xeon E-2278G | Xeon Platinum 8256 |
|---|---|---|
| Cores / Threads | 8 / 16+100% | 4 / 8 |
| Boost Clock | 5 GHz+28% | 3.9 GHz |
| Base Clock | 3.4 GHz | 3.8 GHz+12% |
| L3 Cache | 16 MB (total) | 16.5 MB (total)+3% |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-S WS (2018−2019) | Cascade Lake-SP (2018) |
| PassMark | 16,825 | 16,787 |
Memory & Platform
The Xeon E-2278G uses the LGA1151 socket (PCIe 3.0), while the Xeon Platinum 8256 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E-2278G | Xeon Platinum 8256 |
|---|---|---|
| Socket | LGA1151 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x / VT-d / EPT (Xeon E-2278G) / not specified (Xeon Platinum 8256). The Xeon E-2278G includes integrated graphics (Intel UHD Graphics P630), while the Xeon Platinum 8256 requires a dedicated GPU. Primary use case: Xeon E-2278G targets Server.
| Feature | Xeon E-2278G | Xeon Platinum 8256 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics P630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x / VT-d / EPT | — |
| Target Use | Server | — |
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