Bluetooth Smart SoC Chipsets Comparison

Nordic Semi
nRF51822

Texas Instruments
CC2640

Texas Instruments
CC2541

Dialog
DA14580

Mode

Single Mode BLE v4.1 / ANT

Single Mode BLE v4.1

Single Mode BLE v4.0

Single Mode BLE v4.1

RF Link Budget

+96 dB

102 dB

+97 dB

+93 dB

Maximum Tx Power

+4 dBm

+5 dBm

0 dBm

0 dBm

Rx Sensitivity

- 92 dBm

- 97 dBm

- 94 dBM

- 93 dBm

Integrated Processor

Cortex-M0

Cortex-M3 + Cortex-M0

8051

Cortex-M0

Flash

128kB / 256kB

128kB + ROM

128kB/256kB

32kB OTP + ROM

RAM

16kB / 32kB

20kB + 4kB

8kB

42kB + 8kB

Cache

No

8kB

No

No

Current Consumption -
BLE Rx

9.5mA

5.9mA

14.3mA / 18.2mA

4.9mA

Current Consumption -
BLE Tx @ 0dBM

8.1mA

6.5mA

14.7mA / 17.9mA

4.9mA

Current Consumption -
Deep Sleep

400nA

100nA

500nA

600nA

Timers

3

4

3

2

GPIO

Up to 31

10, 15, 31

21

12, 22, 32

Interfaces

1x I2C UART

2x SPI I2C UART

2x USART/SPI I2C

2x UARTS SPI I2C

Analog

Temperature Sensor

Comparator, Current Source

Op-Amp

ADC

ADC

10-bit

12-bit 200ksps

12-bit

10-bit

Sensor Controller

No

Yes

No

No

Other

RTC, Quadrature Decoder

I2S, RTC, CapSense

PWM

Quadrature Decoder, Keyboard Controller

CSR
CSR101x

Cypress
PSoC 4 BLE

ST
BlueNRG- 1

Mode

Single Mode BLE v4.1

Single Mode BLE v4.1

Single Mode BLE v4.2

RF Link Budget

+95 dB

+97 dB

+97 dB

Maximum Tx Power

+7 dBm

+3 dBm

+8 dBm

Rx Sensitivity

- 92 dBM

- 92 dBM

- 88 dBM

Integrated Processor

16-bit RISC

Cortex-M0

Cortex-M0

Flash

64kB

128kB / 256kB

160kB

RAM

64kB

16kB / 32kB

24kB

Cache

No

No

No

Current Consumption -
BLE Rx

16mA

15.6mA

7.3mA

Current Consumption -
BLE Tx @ 0dBM

16mA

16.4mA

8.2mA

Current Consumption -
Deep Sleep

600nA

150nA

5nA

Timers

1

4

??

GPIO

12

Up to 36

15

Interfaces

UART I2C/SPI

2x Comm Blocks

SPI 12C UART

Analog

ADC

4x OpAmps 2x Comparators

4x OpAmps 2x Comparators

ADC

10-bit

12-bit 1Msps

10-bit

Sensor Controller

No

Yes

No

Other

PWM

CapSense

PWM