Xeon Silver 4215R vs Core i7-6900K
Xeon Silver 4215R
Core i7-6900K
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 Silver 4215R
Performance Per Dollar Core i7-6900K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Silver 4215R | Core i7-6900K |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($1,089) |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | 🛑 Legacy (Broadwell-E (2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Silver 4215R | Core i7-6900K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($1,089) |
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 Silver 4215R and Core i7-6900K
Xeon Silver 4215R
The Xeon Silver 4215R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 130 Watt. Memory support: DDR4-2400. Passmark benchmark score: 14,683 points. Launch price was $794.
Core i7-6900K
The Core i7-6900K is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Broadwell-E (2016) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 14,682 points. Launch price was $1,020.
Processing Power
Both the Xeon Silver 4215R and Core i7-6900K share an identical 8-core/16-thread configuration. Boost clocks reach 4 GHz on the Xeon Silver 4215R versus 4 GHz on the Core i7-6900K — identical boost frequencies (base: 3.2 GHz vs 3.2 GHz). The Xeon Silver 4215R uses the Cascade Lake (2019−2020) architecture (14 nm), while the Core i7-6900K uses Broadwell-E (2016) (14 nm). In PassMark, the Xeon Silver 4215R scores 14,683 against the Core i7-6900K's 14,682 — a 0% lead for the Xeon Silver 4215R. L3 cache: 11 MB on the Xeon Silver 4215R vs 20 MB (total) on the Core i7-6900K.
| Feature | Xeon Silver 4215R | Core i7-6900K |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 4 GHz | 4 GHz |
| Base Clock | 3.2 GHz | 3.2 GHz |
| L3 Cache | 11 MB | 20 MB (total)+82% |
| L2 Cache | 8 MB+3100% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Cascade Lake (2019−2020) | Broadwell-E (2016) |
| PassMark | 14,683 | 14,682 |
| Geekbench 6 Single | — | 1,273 |
| Geekbench 6 Multi | — | 7,591 |
Memory & Platform
The Xeon Silver 4215R uses the LGA3647 socket (PCIe 3.0), while the Core i7-6900K uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon Silver 4215R | Core i7-6900K |
|---|---|---|
| Socket | LGA3647 | LGA2011 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 40 |
Advanced Features
Virtualization: not specified (Xeon Silver 4215R) / VT-x, VT-d (Core i7-6900K). Primary use case: Core i7-6900K targets High-End Desktop.
| Feature | Xeon Silver 4215R | Core i7-6900K |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | High-End Desktop |
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