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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: sci.electronics.design
Subject: Raspberry Pi pico2 launches with an ARM and a Risc V processor core
Date: Sat, 10 Aug 2024 09:09:22 GMT
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Raspberry Pi Pico 2 Launches with Arm + Risc V Cores: hands-on with the new, $5 microcontroller
 https://www.tomshardware.com/raspberry-pi/raspberry-pi-pico/raspberry-pi-pico-2-launches-with-arm-risc-v-cores-hands-on-with-the-new-dollar5-microcontroller#main

So 2 processors for 5 $

Comparing some features

  Raspberry Pi Pico
SoC:  RP2040, Dual Core Arm Cortex M0+ running at up to 133 MH
SRAM: 264 K
Flash Storage: 2MB QSPI
3 x 12 bit ADC
sleep mode < 100 uA

  Raspberry Pi Pico 2
SoC:        RP2350, Dual Core Arm Cortex M33 or Dual Core RISC-V Hazard3 running at up to 150 MHz
SRAM: 520 KB
Flash Storage: 4MB QSPI
Security: Arm TrustZone, 8KB OTP, Secure Boot
4 x 12 bit ADC
sleep mode < 10 uA

More in the above link.