Core i7-8700K vs Xeon D-1587
Core i7-8700K
Xeon D-1587
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 i7-8700K
Performance Per Dollar Xeon D-1587
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-8700K | Xeon D-1587 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($160) | ⚠️ Higher cost ($1,443) |
| Longevity | ✨ Modern (Coffee Lake-S (2017−2018) / 14 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-8700K | Xeon D-1587 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+798%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($160) | ⚠️ Higher cost ($1,443) |
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 i7-8700K and Xeon D-1587
Core i7-8700K
The Core i7-8700K is manufactured by Intel. It was released in 5 October 2017 (8 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.7 GHz. L3 cache: 12288 kB. L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 13,572 points. Launch price was $359.
Xeon D-1587
The Xeon D-1587 is manufactured by Intel. It was released in 24 February 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 16 cores and 32 threads. Base frequency is 1.7 GHz, with boost up to 2.3 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: 13,630 points. Launch price was $1,443.
Processing Power
The Core i7-8700K packs 6 cores / 12 threads, while the Xeon D-1587 offers 16 cores / 32 threads — the Xeon D-1587 has 10 more cores. Boost clocks reach 4.7 GHz on the Core i7-8700K versus 2.3 GHz on the Xeon D-1587 — a 68.6% clock advantage for the Core i7-8700K (base: 3.7 GHz vs 1.7 GHz). The Core i7-8700K uses the Coffee Lake-S (2017−2018) architecture (14 nm), while the Xeon D-1587 uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i7-8700K scores 13,572 against the Xeon D-1587's 13,630 — a 0.4% lead for the Xeon D-1587. L3 cache: 12288 kB on the Core i7-8700K vs 1.5 MB (per core) on the Xeon D-1587.
| Feature | Core i7-8700K | Xeon D-1587 |
|---|---|---|
| Cores / Threads | 6 / 12 | 16 / 32+167% |
| Boost Clock | 4.7 GHz+104% | 2.3 GHz |
| Base Clock | 3.7 GHz+118% | 1.7 GHz |
| L3 Cache | 12288 kB+700% | 1.5 MB (per core) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-S (2017−2018) | Broadwell (2015−2019) |
| PassMark | 13,572 | 13,630 |
Memory & Platform
The Core i7-8700K uses the LGA1151 socket (PCIe 3.0), while the Xeon D-1587 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-8700K | Xeon D-1587 |
|---|---|---|
| Socket | LGA1151 | FCBGA1667 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
The Core i7-8700K includes integrated graphics (Intel UHD Graphics 630), while the Xeon D-1587 requires a dedicated GPU.
| Feature | Core i7-8700K | Xeon D-1587 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics 630 | — |
Value Analysis
The Core i7-8700K launched at $359 MSRP, while the Xeon D-1587 debuted at $1652. At current prices ($160 vs $1443), the Core i7-8700K is $1283 cheaper. In terms of value (PassMark points per dollar), the Core i7-8700K delivers 84.8 pts/$ vs 9.4 pts/$ for the Xeon D-1587 — making the Core i7-8700K the 159.9% better value option.
| Feature | Core i7-8700K | Xeon D-1587 |
|---|---|---|
| MSRP | $359-78% | $1652 |
| Avg Price (30d) | $160-89% | $1443 |
| Performance per Dollar | 84.8+802% | 9.4 |
| Release Date | 2017 | 2016 |
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