Xeon D-1581 vs Xeon E5-1680 v3
Xeon D-1581
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 Xeon D-1581
Performance Per Dollar Xeon E5-1680 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon D-1581 | Xeon E5-1680 v3 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($400) | ✅ More affordable ($200) |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Xeon D-1581 | Xeon E5-1680 v3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+102%) |
| Upfront Cost | ⚠️ Higher cost ($400) | ✅ More affordable ($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 Xeon D-1581 and Xeon E5-1680 v3
Xeon D-1581
The Xeon D-1581 is manufactured by Intel. It was released in 2015-01-01. It is based on the Broadwell (2015−2019) architecture. It features 16 cores and 32 threads. Base frequency is 1.8 GHz, with boost up to 2.4 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 13,173 points. Launch price was $800.
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 Xeon D-1581 packs 16 cores / 32 threads, while the Xeon E5-1680 v3 offers 8 cores / 16 threads — the Xeon D-1581 has 8 more cores. Boost clocks reach 2.4 GHz on the Xeon D-1581 versus 3.8 GHz on the Xeon E5-1680 v3 — a 45.2% clock advantage for the Xeon E5-1680 v3 (base: 1.8 GHz vs 3.2 GHz). The Xeon D-1581 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E5-1680 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Xeon D-1581 scores 13,173 against the Xeon E5-1680 v3's 13,273 — a 0.8% lead for the Xeon E5-1680 v3. L3 cache: 1.5 MB (per core) on the Xeon D-1581 vs 20 MB (total) on the Xeon E5-1680 v3.
| Feature | Xeon D-1581 | Xeon E5-1680 v3 |
|---|---|---|
| Cores / Threads | 16 / 32+100% | 8 / 16 |
| Boost Clock | 2.4 GHz | 3.8 GHz+58% |
| Base Clock | 1.8 GHz | 3.2 GHz+78% |
| L3 Cache | 1.5 MB (per core) | 20 MB (total)+1233% |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 14 nm-36% | 22 nm |
| Architecture | Broadwell (2015−2019) | Haswell-EP (2014−2015) |
| PassMark | 13,173 | 13,273 |
| Geekbench 6 Single | — | 1,141 |
| Geekbench 6 Multi | — | 8,782 |
Memory & Platform
The Xeon D-1581 uses the FCBGA1667 socket (PCIe 3.0), while the Xeon E5-1680 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon D-1581 | Xeon E5-1680 v3 |
|---|---|---|
| Socket | FCBGA1667 | LGA2011 |
| PCIe Generation | PCIe 3.0 | 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 (Xeon D-1581) / Yes (Xeon E5-1680 v3).
| Feature | Xeon D-1581 | Xeon E5-1680 v3 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | Yes |
Value Analysis
The Xeon D-1581 launched at $400 MSRP, while the Xeon E5-1680 v3 debuted at $1723. At current prices ($400 vs $200), the Xeon E5-1680 v3 is $200 cheaper. In terms of value (PassMark points per dollar), the Xeon D-1581 delivers 32.9 pts/$ vs 66.4 pts/$ for the Xeon E5-1680 v3 — making the Xeon E5-1680 v3 the 67.3% better value option.
| Feature | Xeon D-1581 | Xeon E5-1680 v3 |
|---|---|---|
| MSRP | $400-77% | $1723 |
| Avg Price (30d) | $400 | $200-50% |
| Performance per Dollar | 32.9 | 66.4+102% |
| Release Date | 2016 | 2014 |
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