This is a basic conky set up I use with 6 cores it shows all 6 cores and they are numbered with a cpu bar
#
# Based on conky-jc and the default .conkyrc.
# INCLUDES:
# - tail of /var/log/messages
# - netstat connections to your computer
#
# -- Pengo (conky@pengo.us)
#
# Create own window instead of using desktop (required in nautilus)
own_window yes
own_window_type desktop
own_window_transparent yes
own_window_hints undecorated,below,sticky,skip_taskbar,skip_pager
# Use double buffering (reduces flicker, may not work for everyone)
double_buffer yes
# fiddle with window
use_spacer yes
use_xft no
# Update interval in seconds
update_interval 2.0
# Minimum size of text area
minimum_size 180
maximum_width 200
# Draw shades?
draw_shades no
# Text stuff
draw_outline yes # amplifies text if yes
draw_borders no
font arial
uppercase no # set to yes if you want all text to be in uppercase
# Stippled borders?
stippled_borders 0
# border margins
border_margin 9
# border width
border_width 10
# Default colors and also border colors, black90 == #e5e5e5
default_color white
# Text settings #
use_xft yes
xftfont caviar dreams:size=8
xftalpha 0.5
own_window_colour 000000
own_window_transparent yes
# Text alignment, other possible values are commented
alignment top_right
#alignment top_right
#alignment bottom_left
#alignment bottom_right
# Gap between borders of screen and text
gap_x 10
gap_y 20
# stuff after 'TEXT' will be formatted on screen
own_window_argb_value 0
own_window_argb_visual yes
minimum_size 0 0
TEXT
${voffset 0}${offset 0}${color EAEAEA}${font Bitstream Charter:pixelsize=40}${time %H:%M}
${voffset 0}${offset 0}${font GE Inspira:pixelsize=22}${time %a},${color FFA300}${time %d} ${color EAEAEA}${font GE Inspira:pixelsize=22}${time %b} ${time %Y}
$color
${color #88ECE0}SYSTEM ${hr 1}$color
${font Arial:bold:size=9}$nodename
$sysname $kernel $machine
${color #88ECE0}CPU ${hr 1}$color
${freq}MHz
Load: ${loadavg}
Uptime: ${uptime}
${alignc}CPU temp${color0} ${hwmon temp 2} C
${color}Core 1 Usage:$color ${alignc} ${cpu cpu1}% ${color}${cpubar cpu1}
${color}Core 2 Usage:$color ${alignc} ${cpu cpu2}% ${color}${cpubar cpu2}
${color}Core 3 Usage:$color ${alignc} ${cpu cpu3}% ${color}${cpubar cpu3}
${color}Core 4 Usage:$color ${alignc} ${cpu cpu4}% ${color}${cpubar cpu4}
${color}Core 5 Usage:$color ${alignc} ${cpu cpu5}% ${color}${cpubar cpu5}
${color}Core 6 Usage:$color ${alignc} ${cpu cpu6}% ${color}${cpubar cpu6}
${cpugraph 000000 DFEC88}
NAME PID CPU% MEM%
${top name 1} ${top pid 1} ${top cpu 1} ${top mem 1}
${top name 2} ${top pid 2} ${top cpu 2} ${top mem 2}
${top name 3} ${top pid 3} ${top cpu 3} ${top mem 3}
${top name 4} ${top pid 4} ${top cpu 4} ${top mem 4}
${color #88ECE0}MEMORY / DISK ${hr 1}$color
RAM: $mem ${membar 6}$color
Swap: $swapperc% ${swapbar 6}$color
Root: ${fs_used_perc /}% ${fs_bar 6 /}$color
Home: ${fs_used_perc /home}% ${fs_bar 6 /home}$color
${color}DiskI/O:${color}${diskio}
${diskiograph 000000 88D5EC}
${color #88ECE0}NETWORK (${addr enp2s0}) ${hr 1}$color
Down: $color${downspeed enp2s0} k/s ${alignr}Up: ${upspeed enp2s0} k/s
${downspeedgraph enp2s0 25,100 000000 ff0000} ${alignr}${upspeedgraph enp2s0
25,100 000000 00ff00}$color
Total: ${totaldown enp2s0} ${alignr}Total: ${totalup enp2s0}
Inbound: ${tcp_portmon 1 32767 count} Outbound: ${tcp_portmon 32768
61000 count}${alignr}Total: ${tcp_portmon 1 65535 count}
${alignc}MOBO temp${color0} ${hwmon temp 1:}C
#${#FF0000}GPU Temp: ${alignr}${#FF0000}${nvidia temp} C
#${#FF0000}Fan Speed: ${alignr}${#FF0000}${execi 5 nvidia-settings -q [fan:0]/GPUCurrentFanSpeed -t} %
#${#FF0000}GPU Clock: ${alignr}${#FF0000}${nvidia gpufreq} MHz
#${#FF0000}Mem Clock: ${alignr}${#FF0000}${nvidia memfreq} MHz
#${#FF0000}Mem Used: ${alignr}${#FF0000}${execi 5 nvidia-settings -q [gpu:0]/UsedDedicatedGPUMemory -t} / ${exec nvidia-settings -q [gpu:0]/TotalDedicatedGPUMemory -t} MiB