Chip vs Chip

CC2652R vs DA14531

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Side-by-side comparison of CC2652R and DA14531 BLE SoCs.

    
    

      
    

  


  
  
  

    
      

        A
        
CC2652R

      

      

    
    
      

        B
        
DA14531

      

      

    
  

  

  
  

  






  
  

    

The CC2652R and DA14531 inhabit opposite ends of the BLE SoC spectrum. One is a multi-protocol powerhouse with generous memory; the other holds the record as one of the smallest and most power-efficient BLE chips ever made. The right choice depends entirely on whether your application needs capability breadth or miniaturization.




Overview


CC2652R from Texas Instruments is a 7 × 7 mm QFN-48 package SoC combining a 48 MHz Cortex-M4F, a Cortex-M0 radio controller, 352 KB flash, 352 KB SRAM, and support for BLE 5.1, Thread, Zigbee, and proprietary 2.4 GHz protocols. It is designed for applications where robust RF performance, multi-protocol operation, and substantial local processing are required — smart home devices, industrial gateways, and Matter-capable nodes.


DA14531 from Dialog Semiconductor (Renesas) is a marvel of integration designed around the goal of fitting a complete BLE 5.1 SoC into the smallest possible footprint. At just 2.0 × 1.7 mm (WLCSP option), it integrates a 16 MHz Cortex-M0+ core, 48 KB SRAM, 128 KB OTP ROM, a 1-wire UART variant, and a BLE 5.1 radio consuming as little as 1.2 µA in hibernation. It is designed for single-AA or coin-cell powered sensors, beacons, and proximity tags where PCB area is measured in square millimeters.




Key Differences


    

  • Die size and package: DA14531 is available in 2.0 × 1.7 mm WLCSP-17 or 3.5 × 4.5 mm QFN-24; CC2652R is 7 × 7 mm QFN-48 — a 6–12× difference in footprint.
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  • Core: CC2652R runs a 48 MHz M4F (FPU, DSP extensions); DA14531 runs a 16 MHz M0+ — enough for BLE stack and simple sensor logic.
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  • Memory: CC2652R has 352 KB flash / 352 KB SRAM; DA14531 has 48 KB SRAM and 128 KB OTP (one-time programmable) — firmware updates require OTA or external SPI flash.
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  • Protocol support: CC2652R supports BLE + Thread + Zigbee + proprietary; DA14531 is BLE 5.1-only.
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  • Power: DA14531's ultra-deep-sleep at 900 nA with RTC active is exceptional; CC2652R achieves ~1 µA standby but with a larger power envelope at active TX.
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  • TX power: Both reach +5 dBm maximum; CC2652R typically operates at 0 dBm with better link budget in dense deployments.
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  • ADC and peripherals: CC2652R integrates a 12-bit ADC, multiple UARTs, SPI, I²C, I²S; DA14531 integrates a 10-bit ADC and a minimal peripheral set sized for beacon/sensor use.
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Use Cases


CC2652R Excels At


Smart home devices that need to join both a Zigbee mesh (for legacy compatibility) and a Thread/Matter fabric simultaneously are a clear win for the CC2652R. Its 352 KB SRAM comfortably holds multiple protocol stacks plus application data, and the M4F's DSP extensions enable on-device sensor fusion.


Industrial wireless nodes with local data processing — motor controllers, multi-sensor aggregators, or gateway devices — benefit from the CC2652R's computational headroom and robust I/O count.


DA14531 Excels At


Ultra-compact beacons embedded inside product labels, key fobs, or wearable patches where PCB area is less than 1 cm² demand the DA14531's WLCSP packaging. An asset tag built around the DA14531 with a coin cell can transmit its location every few seconds for over two years.


Coin-cell proximity sensors for contact tracing, door/window open-close detection, and smart buttons routinely ship with DA14531 because the entire BOM — SoC, antenna, decoupling caps, and CR2032 battery clip — fits on a 15 × 15 mm PCB.


High-volume commodity beacons where unit cost is paramount benefit from DA14531's lower die cost and minimal BOM requirements compared to the larger CC2652R.




Verdict


The CC2652R is the right choice when your product needs multi-protocol connectivity, substantial RAM for complex logic, or is destined for a Matter/Thread ecosystem. Its larger footprint is a reasonable trade-off for capability breadth.


The DA14531 wins decisively when size, cost, and battery life are the primary constraints — particularly for beacons, asset tags, and simple sensors deployed by the millions. No other mainstream BLE SoC matches its combination of miniaturization and multi-year coin-cell life.

  

  

  
  

  
  

    




  
Frequently Asked Questions


  

    
    

      
      

        
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.