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