Core 3 100U vs Xeon E5-1680 v3
Core 3 100U
Xeon E5-1680 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 3 100U
Performance Per Dollar Xeon E5-1680 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 3 100U | Xeon E5-1680 v3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
| Longevity | ✨ Modern (Raptor Lake-U Refresh (2024) / 10 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core 3 100U | Xeon E5-1680 v3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
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 3 100U and Xeon E5-1680 v3
Core 3 100U
The Core 3 100U is manufactured by Intel. It was released in 8 January 2024 (1 year ago). It is based on the Raptor Lake-U Refresh (2024) architecture. It features 6 cores and 8 threads. Base frequency is 1.2 GHz, with boost up to 4.7 GHz. L3 cache: 10 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4X-4267. Passmark benchmark score: 13,312 points. Launch price was $426.
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.
Processing Power
The Core 3 100U packs 6 cores / 8 threads, while the Xeon E5-1680 v3 offers 8 cores / 16 threads — the Xeon E5-1680 v3 has 2 more cores. Boost clocks reach 4.7 GHz on the Core 3 100U versus 3.8 GHz on the Xeon E5-1680 v3 — a 21.2% clock advantage for the Core 3 100U (base: 1.2 GHz vs 3.2 GHz). The Core 3 100U uses the Raptor Lake-U Refresh (2024) architecture (10 nm), while the Xeon E5-1680 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core 3 100U scores 13,312 against the Xeon E5-1680 v3's 13,273 — a 0.3% lead for the Core 3 100U. L3 cache: 10 MB (total) on the Core 3 100U vs 20 MB (total) on the Xeon E5-1680 v3.
| Feature | Core 3 100U | Xeon E5-1680 v3 |
|---|---|---|
| Cores / Threads | 6 / 8 | 8 / 16+33% |
| Boost Clock | 4.7 GHz+24% | 3.8 GHz |
| Base Clock | 1.2 GHz | 3.2 GHz+167% |
| L3 Cache | 10 MB (total) | 20 MB (total)+100% |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | 10 nm-55% | 22 nm |
| Architecture | Raptor Lake-U Refresh (2024) | Haswell-EP (2014−2015) |
| PassMark | 13,312 | 13,273 |
| Geekbench 6 Single | — | 1,141 |
| Geekbench 6 Multi | — | 8,782 |
Memory & Platform
The Core 3 100U uses the FCBGA1744 socket (PCIe 5.0), while the Xeon E5-1680 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core 3 100U | Xeon E5-1680 v3 |
|---|---|---|
| Socket | FCBGA1744 | LGA2011 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 768 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 40 |
Advanced Features
Virtualization: not specified (Core 3 100U) / Yes (Xeon E5-1680 v3).
| Feature | Core 3 100U | Xeon E5-1680 v3 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | Yes |
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