(And to show my clock working here: a stock RP2040 is two cores @ 133Mhz each. This board's 1Ghz + 700Mhz. 1700 / 266 = 6.4x. Not sure how apples to oranges arm-thumb/risc-V is though?)
Dunno about power consumption.
Full FPU and MMU, runs standard Linux e.g. Ubuntu server boots with about 36 MB free RAM.
To answer the previous poster, RV64GC is more similar to Thumb2 (but with 32 registers of 64 bits, not 16 registers of 32 bits) than to the cut-down Thumb1 (technically ARMv6-M) in the Pico. Plus, yeah, DP FPU and vector and MMU.
> All that's left is that pesky 32-bit CPU & MMU requirement. Well the AVR has no MMU and is 8-bit. To conquer this obstacle, I wrote an ARM emulator.
> It takes about 2 hours to boot to bash prompt ("init=/bin/bash" kernel command line). Then 4 more hours to boot up the entire Ubuntu ("exec init" and then login). Starting X takes a lot longer.
Uh, yeah ... I don't think I'd use the verb "run" anywhere near this.