RaspberryPi 4B

Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.8GH

https://www.raspberrypi.com/products/raspberry-pi-4-model-b/specifications/

Architecture:             aarch64
  CPU op-mode(s):         32-bit, 64-bit
  Byte Order:             Little Endian
CPU(s):                   4
  On-line CPU(s) list:    0-3
Vendor ID:                ARM
  Model name:             Cortex-A72
    Model:                3
    Thread(s) per core:   1
    Core(s) per cluster:  4
    Socket(s):            -
    Cluster(s):           1
    Stepping:             r0p3
    CPU(s) scaling MHz:   40%
    CPU max MHz:          1500.0000
    CPU min MHz:          600.0000
    BogoMIPS:             108.00
    Flags:                fp asimd evtstrm crc32 cpuid
Caches (sum of all):      
  L1d:                    128 KiB (4 instances)
  L1i:                    192 KiB (4 instances)
  L2:                     1 MiB (1 instance)

NanoPi R5S

Rockchip RK3568B2, Quad-core ARM Cortex-A55 CPU, up to 2.0GHz

https://wiki.friendlyelec.com/wiki/index.php/NanoPi_R5S/zh

Architecture:             aarch64
  CPU op-mode(s):         32-bit, 64-bit
  Byte Order:             Little Endian
CPU(s):                   4
  On-line CPU(s) list:    0-3
Vendor ID:                ARM
  Model name:             Cortex-A55
    Model:                0
    Thread(s) per core:   1
    Core(s) per cluster:  4
    Socket(s):            -
    Cluster(s):           1
    Stepping:             r2p0
    CPU(s) scaling MHz:   71%
    CPU max MHz:          1992.0000
    CPU min MHz:          408.0000
    BogoMIPS:             48.00
    Flags:                fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp
Caches (sum of all):      
  L1d:                    128 KiB (4 instances)
  L1i:                    128 KiB (4 instances)
  L2:                     512 KiB (1 instance)

RK3658

About Links

https://www.wikihow.com/Main-Page

ISA

https://zh.wikipedia.org/wiki/X86

https://zh.wikipedia.org/wiki/ARM架构

https://zh.wikipedia.org/wiki/MIPS架构

https://zh.wikipedia.org/wiki/RISC-V

https://zh.wikipedia.org/wiki/LoongArch

https://zh.wikipedia.org/wiki/LoongISA