Chip vs Chip

ESP32-C3 vs CC2652R

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Side-by-side comparison of ESP32-C3 and CC2652R BLE SoCs.

    
    

      
    

  


  
  
  

    
      

        A
        
ESP32-C3

      

      

    
    
      

        B
        
CC2652R

      

      

    
  

  

  
  

  






  
  

    
Overview


The ESP32-C3 and CC2652R both target the connected IoT device market, but with different protocol breadth and power envelopes. Espressif's ESP32-C3 combines Wi-Fi 4 and Bluetooth Low Energy 5.0 in a low-cost RISC-V package, excelling at Wi-Fi+BLE co-existence and rapid prototyping. Texas Instruments' CC2652R is a multiprotocol wireless SoC supporting BLE 5.2, IEEE 802.15.4 (Thread and Zigbee), and proprietary 2.4 GHz protocols simultaneously through a shared radio architecture and a dedicated RF core. It is TI's flagship for Matter-over-Thread and Zigbee 3.0 smart home infrastructure.




Key Differences


    

  • Protocol coverage: CC2652R supports BLE 5.2 + Thread + Zigbee + 802.15.4 proprietary; ESP32-C3 supports Wi-Fi 4 + BLE 5.0 only.
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  • Wi-Fi: ESP32-C3 includes Wi-Fi; CC2652R has no Wi-Fi radio.
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  • Thread/Zigbee/Matter: CC2652R is a primary silicon choice for Matter-over-Thread and Zigbee 3.0 certified products; ESP32-C3 cannot run Thread or Zigbee.
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  • RF core: CC2652R uses a dedicated ARM Cortex-M0 RF core that manages radio scheduling independently from the M4F application core, enabling deterministic BLE+15.4 concurrent operation.
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  • Power: CC2652R achieves ~0.7 µA standby and optimized BLE+15.4 concurrent sleep; ESP32-C3 is efficient for Wi-Fi+BLE but draws more in comparable scenarios.
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  • Memory: CC2652R has 352 KB flash, 80 KB SRAM; ESP32-C3 has 4 MB flash, 400 KB SRAM—the ESP32-C3 wins on available application memory.
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  • Toolchain: CC2652R uses TI's Code Composer Studio and SimpleLink SDK, including Z-Stack (Zigbee) and OpenThread; ESP32-C3 uses ESP-IDF or Arduino.
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  • Cost: ESP32-C3 is ~$1.50; CC2652R is ~$3.50–5.00 reflecting its multiprotocol radio and certified stacks.
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Use Cases


Choose ESP32-C3 when:
- Wi-Fi + BLE is the required protocol combination.
- Matter-over-Wi-Fi (rather than Matter-over-Thread) is acceptable.
- Cost and ecosystem breadth are top priorities.
- Rapid prototyping with open-source libraries is needed.


Choose CC2652R when:
- Thread, Zigbee, or Matter-over-Thread is required.
- BLE 5.2 + Thread concurrent operation is needed (e.g., a border router or combo device).
- The product must be Zigbee 3.0 or Thread certified for market entry.
- TI's SimpleLink ecosystem, Z-Stack, or OpenThread integration is preferred.




Verdict


The CC2652R and ESP32-C3 have minimal overlap in their sweet spots. Choose the ESP32-C3 for Wi-Fi+BLE connected devices where cost and open-source ecosystem matter. Choose the CC2652R for Thread/Zigbee/Matter-over-Thread infrastructure where certified stack support, concurrent multi-protocol radio, and ultra-low power are requirements. For new smart home products targeting the Matter standard, the CC2652R (or its successor CC2652P) represents TI's recommended path while the ESP32-C6 represents Espressif's equivalent Matter-over-Thread capable answer.

  

  

  
  

  
  

    




  
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.