Raspbian CPU Frequency Speed
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For Raspberry Pi A, B, A+ and B+. For the Raspberry Pi 2 both results will always be 1 GHz.
To view the clock speed of the Raspberry Pi
Maximum Frequency as set in config.txt
vcgencmd get_config arm_freq
Current frequency. If not under load will be the default 700
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
