
Core i5-6287U vs Pentium Gold G6405

Core i5-6287U

Pentium Gold G6405
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. The Core i5-6287U is positioned at rank #470 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 i5-6287U
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-6287U | Pentium Gold G6405 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | ✨ Modern (Comet Lake-R (2021) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-6287U | Pentium Gold G6405 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i5-6287U and Pentium Gold G6405

Core i5-6287U
The Core i5-6287U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 28 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,801 points. Launch price was $304.

Pentium Gold G6405
The Pentium Gold G6405 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.1 GHz, with boost up to 4.1 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,817 points. Launch price was $64.
Processing Power
Both the Core i5-6287U and Pentium Gold G6405 share an identical 2-core/4-thread configuration. Boost clocks reach 3.5 GHz on the Core i5-6287U versus 4.1 GHz on the Pentium Gold G6405 — a 15.8% clock advantage for the Pentium Gold G6405 (base: 3.1 GHz vs 4.1 GHz). The Core i5-6287U uses the Skylake (2015−2016) architecture (14 nm), while the Pentium Gold G6405 uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i5-6287U scores 3,801 against the Pentium Gold G6405's 3,817 — a 0.4% lead for the Pentium Gold G6405. L3 cache: 4 MB on the Core i5-6287U vs 4 MB (total) on the Pentium Gold G6405.
| Feature | Core i5-6287U | Pentium Gold G6405 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 3.5 GHz | 4.1 GHz+17% |
| Base Clock | 3.1 GHz | 4.1 GHz+32% |
| L3 Cache | 4 MB | 4 MB (total) |
| L2 Cache | 512 kB+100% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (2015−2016) | Comet Lake-R (2021) |
| PassMark | 3,801 | 3,817 |
| Geekbench 6 Single | 816 | — |
Memory & Platform
The Core i5-6287U uses the BGA1356 socket (PCIe 3.0), while the Pentium Gold G6405 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-6287U | Pentium Gold G6405 |
|---|---|---|
| Socket | BGA1356 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 12 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-6287U) / not specified (Pentium Gold G6405). The Core i5-6287U includes integrated graphics (Iris Graphics 550), while the Pentium Gold G6405 requires a dedicated GPU. Primary use case: Core i5-6287U targets High Performance Laptop. Direct competitor: Core i5-6287U rivals FX-9800P.
| Feature | Core i5-6287U | Pentium Gold G6405 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Iris Graphics 550 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | High Performance Laptop | — |
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