Core i5-6287U vs Core i7-2840QM
Core i5-6287U
Core i7-2840QM
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. The Core i5-6287U is positioned at rank 470 and the Core i7-2840QM is on rank 311, so the Core i7-2840QM offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-6287U
Performance Per Dollar Core i7-2840QM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-6287U | Core i7-2840QM |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-6287U | Core i7-2840QM |
|---|---|---|
| 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 Core i7-2840QM
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.
Core i7-2840QM
The Core i7-2840QM is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Max frequency: 2.4 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 32 nm process technology. Socket: G2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 3,842 points. Launch price was $69.
Processing Power
The Core i5-6287U packs 2 cores / 4 threads, while the Core i7-2840QM offers 4 cores / 8 threads — the Core i7-2840QM has 2 more cores. Boost clocks reach 3.5 GHz on the Core i5-6287U versus 2.4 GHz on the Core i7-2840QM — a 37.3% clock advantage for the Core i5-6287U. The Core i5-6287U uses the Skylake (2015−2016) architecture (14 nm), while the Core i7-2840QM uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i5-6287U scores 3,801 against the Core i7-2840QM's 3,842 — a 1.1% lead for the Core i7-2840QM. L3 cache: 4 MB on the Core i5-6287U vs 8 MB on the Core i7-2840QM.
| Feature | Core i5-6287U | Core i7-2840QM |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 3.5 GHz+46% | 2.4 GHz |
| Base Clock | 3.1 GHz | — |
| L3 Cache | 4 MB | 8 MB+100% |
| L2 Cache | 512 kB | 1 MB+100% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Skylake (2015−2016) | Sandy Bridge (2011−2013) |
| PassMark | 3,801 | 3,842+1% |
| Geekbench 6 Single | 816 | — |
Memory & Platform
The Core i5-6287U uses the BGA1356 socket (PCIe 3.0), while the Core i7-2840QM uses G2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i5-6287U | Core i7-2840QM |
|---|---|---|
| Socket | BGA1356 | G2 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| 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 (Core i7-2840QM). The Core i5-6287U includes integrated graphics (Iris Graphics 550), while the Core i7-2840QM 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 | Core i7-2840QM |
|---|---|---|
| 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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