Xeon E-2278G vs Core Ultra 5 135U
Xeon E-2278G
Core Ultra 5 135U
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 Ultra 5 135U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2278G | Core Ultra 5 135U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Coffee Lake-S WS (2018−2019) / 14 nm) | ✨ Modern (Meteor Lake-P (2023) / 7 nm) |
💎 Value Proposition
| Insight | Xeon E-2278G | Core Ultra 5 135U |
|---|---|---|
| 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 Core Ultra 5 135U
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 Ultra 5 135U
The Core Ultra 5 135U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-P (2023) architecture. It features 12 cores and 14 threads. Base frequency is 1.6 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 12 MB. Memory support: DDR5. Passmark benchmark score: 16,900 points. Launch price was $332.
Processing Power
The Xeon E-2278G packs 8 cores / 16 threads, while the Core Ultra 5 135U offers 12 cores / 14 threads — the Core Ultra 5 135U has 4 more cores. Boost clocks reach 5 GHz on the Xeon E-2278G versus 4.4 GHz on the Core Ultra 5 135U — a 12.8% clock advantage for the Xeon E-2278G (base: 3.4 GHz vs 1.6 GHz). The Xeon E-2278G uses the Coffee Lake-S WS (2018−2019) architecture (14 nm), while the Core Ultra 5 135U uses Meteor Lake-P (2023) (7 nm). In PassMark, the Xeon E-2278G scores 16,825 against the Core Ultra 5 135U's 16,900 — a 0.4% lead for the Core Ultra 5 135U. L3 cache: 16 MB (total) on the Xeon E-2278G vs 12 MB (total) on the Core Ultra 5 135U.
| Feature | Xeon E-2278G | Core Ultra 5 135U |
|---|---|---|
| Cores / Threads | 8 / 16 | 12 / 14+50% |
| Boost Clock | 5 GHz+14% | 4.4 GHz |
| Base Clock | 3.4 GHz+112% | 1.6 GHz |
| L3 Cache | 16 MB (total)+33% | 12 MB (total) |
| L2 Cache | 256 kB (per core) | 2 MB (per core)+700% |
| Process | 14 nm | 7 nm-50% |
| Architecture | Coffee Lake-S WS (2018−2019) | Meteor Lake-P (2023) |
| PassMark | 16,825 | 16,900 |
| Cinebench R23 Multi | — | 9,315 |
| Geekbench 6 Single | — | 1,948 |
| Geekbench 6 Multi | — | 8,000 |
Memory & Platform
The Xeon E-2278G uses the LGA1151 socket (PCIe 3.0), while the Core Ultra 5 135U uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon E-2278G versus DDR5-5600 on the Core Ultra 5 135U — the Core Ultra 5 135U supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E-2278G supports up to 128 GB of RAM compared to 96 GB — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Xeon E-2278G) vs 20 (Core Ultra 5 135U) — the Core Ultra 5 135U offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C242,C246 (Xeon E-2278G) and SoC (Core Ultra 5 135U).
| Feature | Xeon E-2278G | Core Ultra 5 135U |
|---|---|---|
| Socket | LGA1151 | FCBGA2049 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | DDR5-5600+25% |
| Max RAM Capacity | 128 GB+33% | 96 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 20+25% |
Advanced Features
Virtualization support: VT-x / VT-d / EPT (Xeon E-2278G) vs Yes (Core Ultra 5 135U). Both include integrated graphics — Intel UHD Graphics P630 (Xeon E-2278G) and Intel Arc Graphics (Core Ultra 5 135U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Xeon E-2278G targets Server.
| Feature | Xeon E-2278G | Core Ultra 5 135U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics P630 | Intel Arc Graphics |
| Unlocked | No | — |
| AVX-512 | No | No |
| Virtualization | VT-x / VT-d / EPT | Yes |
| Target Use | Server | — |
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