Chip vs Chip

DA14695 vs QCC5171

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Side-by-side comparison of DA14695 and QCC5171 BLE SoCs.

    
    

      
    

  


  
  
  

    
      

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DA14695

      

      

    
    
      

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QCC5171

      

      

    
  

  

  
  

  






  
  

    
DA14695 vs QCC5171: Dialog Wearable SoC vs. Qualcomm TWS Audio SoC


The DA14695 and QCC5171 both target wearable-class devices, but with different primary functions: DA14695 is a comprehensive wearable platform with BLE as its wireless backbone, while QCC5171 is a premium audio SoC using Bluetooth (Classic + BLE) primarily for high-fidelity audio transport.




Overview


DA14695 from Dialog Semiconductor is a 96 MHz Cortex-M33 SoC with 512 KB SRAM, QSPI external memory, PMU, USB 2.0, I²S audio, display controller, and BLE 5.1 radio. It is designed for smartwatches, advanced fitness trackers, and medical wearables requiring a rich user interface alongside wireless health data streaming.


QCC5171 from Qualcomm is a premium TWS audio SoC supporting Bluetooth Classic (A2DP, HSP, HFP) and BLE for control. It includes Qualcomm's aptX Adaptive codec (24-bit/96 kHz lossless-quality), aptX HD, a dual-core ANC/EQ DSP, speaker driver, microphone ADC, and complete power management for rechargeable earbud form factors. The QCC5171 is designed for premium earbuds and headphones where audio quality and ANC performance are the primary product differentiators.




Key Differences


    

  • Audio codec: QCC5171 supports aptX Adaptive, aptX HD, aptX, AAC, SBC; DA14695 has I²S interface for external codec — no integrated audio codec.
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  • Bluetooth Classic: QCC5171 supports BR/EDR for A2DP audio streaming; DA14695 is BLE 5.1-only.
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  • ANC: QCC5171 has dual-core DSP for active noise cancellation and environmental audio; DA14695 has no ANC capability.
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  • LC3 codec and Auracast." data-category="LE Audio">LE Audio: QCC5171 supports LE Isochronous Channels for LE Audio; DA14695 does not.
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  • Display/touch: DA14695 integrates display controller and capacitive touch; QCC5171 has neither.
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  • Medical/health: DA14695 targets health monitoring and fitness tracking; QCC5171 is focused on audio experience quality.
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  • Development platform: DA14695 uses Dialog's SmartSnippets Toolbox; QCC5171 uses Qualcomm's proprietary ADK (Audio Development Kit).
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  • Charging case integration: QCC5171 is designed for TWS charging case pairing and earbud-to-earbud coordination; DA14695 lacks these audio-specific protocols.
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Use Cases


DA14695 Excels At


Smartwatches with optional audio (e.g., speaker notifications, voice assistant via BLE microphone data) use DA14695 as the primary SoC with an external audio codec. The watch's primary function — displaying health metrics, receiving notifications, running fitness algorithms — is DA14695's design target.


Medical fitness wearables monitoring ECG, SpO2, skin temperature, and step count while displaying results on a color touchscreen are built around DA14695's sensor and display integration capabilities.


QCC5171 Excels At


Premium TWS earbuds competing on audio fidelity use QCC5171 exclusively. AptX Adaptive's 24-bit/96 kHz capability, combined with multi-band ANC and environmental transparency mode, requires the QCC5171's dedicated DSP resources that DA14695 cannot provide.


Hearing aids and PSAPs using LE Audio's hearing aid profiles (HAP) for audiologist programming and audio streaming benefit from QCC5171's LE Audio support combined with its directional microphone processing DSP.


Gaming audio accessories needing aptX Low Latency for sub-40 ms wireless audio are specifically addressed by QCC5171's codec options.




Verdict


DA14695 and QCC5171 are both wearable-class SoCs but for categorically different product types. DA14695 builds comprehensive smartwatches and ambulatory health monitors where BLE data streaming, touchscreen UI, multi-sensor coordination, and USB data offload are the primary product functions. QCC5171 builds premium audio accessories — earbuds, headphones, hearing aids — where audio fidelity (aptX Adaptive, 24-bit/96 kHz), ANC DSP performance, and codec latency are the competitive differentiators.


Direct substitution is not viable in either direction: DA14695 cannot generate audio output at earphone quality without substantial external hardware, and QCC5171 cannot render a display UI, run a heart rate algorithm, or expose a USB mass storage interface. These two SoCs address orthogonal requirements that happen to appear together in the broader "wearable" product category.


The most productive relationship between them is complementary deployment in a wearable ecosystem: a smartwatch built on DA14695 streams health data via BLE to a smartphone, while the user simultaneously listens via QCC5171-based earbuds also connected to the same phone. In this topology, DA14695 handles health monitoring and ATT">GATT & ATT">notification display, QCC5171 handles audio playback and voice call — both chips solving their respective problems optimally without interfering with each other.


Architects evaluating both chips simultaneously should verify whether their product specification actually requires both use cases. If it does, a two-SoC architecture (watch body + earphone accessory) is the correct approach rather than searching for a single SoC that handles both audio and wearable health functions at DA14695 and QCC5171's respective quality levels.

  

  

  
  

  
  

    




  
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Our comparisons use verified datasheet specifications to create side-by-side tables. Each comparison includes a verdict explaining when to choose each option based on your project requirements.