Core i5-1240U vs Xeon E5-2670 v3
Core i5-1240U
Xeon E5-2670 v3
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 i5-1240U
Performance Per Dollar Xeon E5-2670 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-1240U | Xeon E5-2670 v3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Alder Lake-U (2022) / Intel 7 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i5-1240U | Xeon E5-2670 v3 |
|---|---|---|
| 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 i5-1240U and Xeon E5-2670 v3
Core i5-1240U
The Core i5-1240U is manufactured by Intel. It was released in 23 February 2022 (3 years ago). It is based on the Alder Lake-U (2022) architecture. It features 10 cores and 12 threads. Base frequency is 1.1 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1781. Thermal design power (TDP): 9.5 MB + 12 MB. Memory support: DDR4, DDR5. Passmark benchmark score: 13,387 points. Launch price was $149.
Xeon E5-2670 v3
The Xeon E5-2670 v3 is manufactured by Intel. It was released in 8 September 2014 (11 years ago). It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.3 GHz, with boost up to 3.1 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 13,489 points. Launch price was $1,589.
Processing Power
The Core i5-1240U packs 10 cores / 12 threads, while the Xeon E5-2670 v3 offers 12 cores / 24 threads — the Xeon E5-2670 v3 has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-1240U versus 3.1 GHz on the Xeon E5-2670 v3 — a 34.7% clock advantage for the Core i5-1240U (base: 1.1 GHz vs 2.3 GHz). The Core i5-1240U uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Xeon E5-2670 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i5-1240U scores 13,387 against the Xeon E5-2670 v3's 13,489 — a 0.8% lead for the Xeon E5-2670 v3. L3 cache: 12 MB (total) on the Core i5-1240U vs 30 MB (total) on the Xeon E5-2670 v3.
| Feature | Core i5-1240U | Xeon E5-2670 v3 |
|---|---|---|
| Cores / Threads | 10 / 12 | 12 / 24+20% |
| Boost Clock | 4.4 GHz+42% | 3.1 GHz |
| Base Clock | 1.1 GHz | 2.3 GHz+109% |
| L3 Cache | 12 MB (total) | 30 MB (total)+150% |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | Intel 7 nm-68% | 22 nm |
| Architecture | Alder Lake-U (2022) | Haswell-EP (2014−2015) |
| PassMark | 13,387 | 13,489 |
| Geekbench 6 Single | 1,650 | — |
Memory & Platform
The Core i5-1240U uses the FCBGA1781 socket (PCIe 5.0), while the Xeon E5-2670 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5200 on the Core i5-1240U versus DDR4-2133 on the Xeon E5-2670 v3 — the Core i5-1240U supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-2670 v3 supports up to 768 GB of RAM compared to 64 GB — 169.2% more capacity for professional workloads. Memory channels: 2 (Core i5-1240U) vs 4 (Xeon E5-2670 v3). PCIe lanes: 14 (Core i5-1240U) vs 40 (Xeon E5-2670 v3) — the Xeon E5-2670 v3 offers 26 more lanes for additional GPUs or NVMe drives.
| Feature | Core i5-1240U | Xeon E5-2670 v3 |
|---|---|---|
| Socket | FCBGA1781 | LGA2011 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | LPDDR5-5200+25% | DDR4-2133 |
| Max RAM Capacity | 64 GB | 768 GB+1100% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 14 | 40+186% |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-1240U) / not specified (Xeon E5-2670 v3). The Core i5-1240U includes integrated graphics (Iris Xe Graphics 80EU), while the Xeon E5-2670 v3 requires a dedicated GPU. Primary use case: Core i5-1240U targets Thin & Light Laptop. Direct competitor: Core i5-1240U rivals Ryzen 5 5600U.
| Feature | Core i5-1240U | Xeon E5-2670 v3 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Iris Xe Graphics 80EU | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Thin & Light Laptop | — |
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