CPU
GPU
Xeon E5-1680 v3
Core i5-1240U
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 E5-1680 v3
Performance Per Dollar Core i5-1240U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-1680 v3 | Core i5-1240U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) | ✨ Modern (Alder Lake-U (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon E5-1680 v3 | Core i5-1240U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
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 E5-1680 v3 and Core i5-1240U
Xeon E5-1680 v3
The Xeon E5-1680 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 3.8 GHz. L3 cache: 20 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1333, DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 13,273 points. Launch price was $800.
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.
Processing Power
The Xeon E5-1680 v3 packs 8 cores / 16 threads, while the Core i5-1240U offers 10 cores / 12 threads — the Core i5-1240U has 2 more cores. Boost clocks reach 3.8 GHz on the Xeon E5-1680 v3 versus 4.4 GHz on the Core i5-1240U — a 14.6% clock advantage for the Core i5-1240U (base: 3.2 GHz vs 1.1 GHz). The Xeon E5-1680 v3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Core i5-1240U uses Alder Lake-U (2022) (Intel 7 nm). In PassMark, the Xeon E5-1680 v3 scores 13,273 against the Core i5-1240U's 13,387 — a 0.9% lead for the Core i5-1240U. Geekbench 6 single-core — the metric most relevant to gaming — records 1,141 vs 1,650, a 36.5% lead for the Core i5-1240U that directly translates to higher frame rates. L3 cache: 20 MB (total) on the Xeon E5-1680 v3 vs 12 MB (total) on the Core i5-1240U.
| Feature | Xeon E5-1680 v3 | Core i5-1240U |
|---|---|---|
| Cores / Threads | 8 / 16 | 10 / 12+25% |
| Boost Clock | 3.8 GHz | 4.4 GHz+16% |
| Base Clock | 3.2 GHz+191% | 1.1 GHz |
| L3 Cache | 20 MB (total)+67% | 12 MB (total) |
| L2 Cache | 256K (per core) | 1.25 MB (per core)+400% |
| Process | 22 nm | Intel 7 nm-68% |
| Architecture | Haswell-EP (2014−2015) | Alder Lake-U (2022) |
| PassMark | 13,273 | 13,387 |
| Geekbench 6 Single | 1,141 | 1,650+45% |
| Geekbench 6 Multi | 8,782 | — |
Memory & Platform
The Xeon E5-1680 v3 uses the LGA2011 socket (PCIe 3.0), while the Core i5-1240U uses FCBGA1781 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Xeon E5-1680 v3 versus LPDDR5-5200 on the Core i5-1240U — the Core i5-1240U supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-1680 v3 supports up to 768 GB of RAM compared to 64 GB — 169.2% more capacity for professional workloads. Memory channels: 4 (Xeon E5-1680 v3) vs 2 (Core i5-1240U). PCIe lanes: 40 (Xeon E5-1680 v3) vs 14 (Core i5-1240U) — the Xeon E5-1680 v3 offers 26 more lanes for additional GPUs or NVMe drives.
| Feature | Xeon E5-1680 v3 | Core i5-1240U |
|---|---|---|
| Socket | LGA2011 | FCBGA1781 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2133 | LPDDR5-5200+25% |
| Max RAM Capacity | 768 GB+1100% | 64 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 40+186% | 14 |
Advanced Features
Virtualization support: Yes (Xeon E5-1680 v3) vs VT-x, VT-d, EPT (Core i5-1240U). The Core i5-1240U includes integrated graphics (Iris Xe Graphics 80EU), while the Xeon E5-1680 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 | Xeon E5-1680 v3 | Core i5-1240U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Iris Xe Graphics 80EU |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | Yes | VT-x, VT-d, EPT |
| Target Use | — | Thin & Light Laptop |
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