
Core i7-5960X vs Xeon E5-1660 v4

Core i7-5960X

Xeon E5-1660 v4
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 i7-5960X
Performance Per Dollar Xeon E5-1660 v4
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-5960X | Xeon E5-1660 v4 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($83) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Haswell-E (2014) / 22 nm) | 🛑 Legacy (Broadwell-EP (2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-5960X | Xeon E5-1660 v4 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($83) | ✅ 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 Core i7-5960X and Xeon E5-1660 v4

Core i7-5960X
The Core i7-5960X is manufactured by Intel. It was released in 1 September 2014 (11 years ago). It is based on the Haswell-E (2014) architecture. It features 8 cores and 16 threads. Base frequency is 3 GHz, with boost up to 3.5 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. Passmark benchmark score: 13,382 points. Launch price was $999.

Xeon E5-1660 v4
The Xeon E5-1660 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell-EP (2016) 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 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 13,341 points. Launch price was $1,113.
Processing Power
Both the Core i7-5960X and Xeon E5-1660 v4 share an identical 8-core/16-thread configuration. Boost clocks reach 3.5 GHz on the Core i7-5960X versus 3.8 GHz on the Xeon E5-1660 v4 — a 8.2% clock advantage for the Xeon E5-1660 v4 (base: 3 GHz vs 3.2 GHz). The Core i7-5960X uses the Haswell-E (2014) architecture (22 nm), while the Xeon E5-1660 v4 uses Broadwell-EP (2016) (14 nm). In PassMark, the Core i7-5960X scores 13,382 against the Xeon E5-1660 v4's 13,341 — a 0.3% lead for the Core i7-5960X. Both processors carry 20 MB (total) of L3 cache.
| Feature | Core i7-5960X | Xeon E5-1660 v4 |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 3.5 GHz | 3.8 GHz+9% |
| Base Clock | 3 GHz | 3.2 GHz+7% |
| L3 Cache | 20 MB (total) | 20 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 22 nm | 14 nm-36% |
| Architecture | Haswell-E (2014) | Broadwell-EP (2016) |
| PassMark | 13,382 | 13,341 |
| Cinebench R23 Multi | 9,720 | — |
| Geekbench 6 Single | 1,244 | — |
| Geekbench 6 Multi | 7,412 | — |
Memory & Platform
Both processors use the LGA2011 socket with PCIe 3.0.
| Feature | Core i7-5960X | Xeon E5-1660 v4 |
|---|---|---|
| Socket | LGA2011 | LGA2011 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 40 | — |
Advanced Features
Virtualization: Yes (Core i7-5960X) / not specified (Xeon E5-1660 v4).
| Feature | Core i7-5960X | Xeon E5-1660 v4 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | No | — |
| Virtualization | Yes | — |
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