
Core i5-6440HQ

Core i5-5575R
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 i5-6440HQ is positioned at rank 879 and the Core i5-5575R is on rank 813, so the Core i5-5575R offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-6440HQ
Performance Per Dollar Core i5-5575R
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-6440HQ | Core i5-5575R |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($250) | ✅ More affordable ($50) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-6440HQ | Core i5-5575R |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+405%) |
| Upfront Cost | ⚠️ Higher cost ($250) | ✅ More affordable ($50) |
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 i5-6440HQ and Core i5-5575R

Core i5-6440HQ
The Core i5-6440HQ 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 4 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 3.5 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,021 points. Launch price was $250.

Core i5-5575R
The Core i5-5575R is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1364. Thermal design power (TDP): 65 Watt. Memory support: DDR3L-1333, DDR3L-1600, DDR3L-1866. Passmark benchmark score: 5,074 points. Launch price was $149.
Processing Power
Both the Core i5-6440HQ and Core i5-5575R share an identical 4-core/4-thread configuration. Boost clocks reach 3.5 GHz on the Core i5-6440HQ versus 3.3 GHz on the Core i5-5575R — a 5.9% clock advantage for the Core i5-6440HQ (base: 2.6 GHz vs 2.8 GHz). The Core i5-6440HQ uses the Skylake (2015−2016) architecture (14 nm), while the Core i5-5575R uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i5-6440HQ scores 5,021 against the Core i5-5575R's 5,074 — a 1.1% lead for the Core i5-5575R. L3 cache: 6 MB on the Core i5-6440HQ vs 4 MB (total) on the Core i5-5575R.
| Feature | Core i5-6440HQ | Core i5-5575R |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.5 GHz+6% | 3.3 GHz |
| Base Clock | 2.6 GHz | 2.8 GHz+8% |
| L3 Cache | 6 MB+50% | 4 MB (total) |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (2015−2016) | Broadwell (2015−2019) |
| PassMark | 5,021 | 5,074+1% |
| Geekbench 6 Single | — | 1,081 |
Memory & Platform
The Core i5-6440HQ uses the BGA1440 socket (PCIe 3.0), while the Core i5-5575R uses BGA1364 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i5-6440HQ versus DDR3L-1866 on the Core i5-5575R — the Core i5-6440HQ supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-6440HQ supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i5-6440HQ | Core i5-5575R |
|---|---|---|
| Socket | BGA1440 | BGA1364 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133+33% | DDR3L-1866 |
| Max RAM Capacity | 64 GB+100% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i5-6440HQ) vs VT-x, VT-d, EPT (Core i5-5575R). Both include integrated graphics — HD Graphics 530 (Core i5-6440HQ) and Iris Pro Graphics 6200 (Core i5-5575R) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-6440HQ targets Mobile, Core i5-5575R targets All-in-One Desktop. Direct competitor: Core i5-5575R rivals A10-7870K.
| Feature | Core i5-6440HQ | Core i5-5575R |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 530 | Iris Pro Graphics 6200 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d, EPT |
| Target Use | Mobile | All-in-One Desktop |
Value Analysis
The Core i5-6440HQ launched at $250 MSRP, while the Core i5-5575R debuted at $265.
| Feature | Core i5-6440HQ | Core i5-5575R |
|---|---|---|
| MSRP | $250-6% | $265 |
| Avg Price (30d) | — | $50 |
| Release Date | 2015 | 2015 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















