System Panel vs 3C Toolbox

You can find a comparison benchmark of both apps here.

Here is a comprehensive lists of features from System Panel paid version:

Feature

System Panel

3C Toolbox

Task Manager

included

included

App sorting (network, memory, cpu)

not available

included

CPU, SD, mem summary bars

not available

included

Network usage at a glance

not available

included

Auto-kill

included

included

System Monitor

included

included

Monitoring consumption at 15 minutes interval

1 minute

45 seconds

Track CPU per app

included

included

Track memory per app

included

included

Configurable recording rate

not available

included

Track network per app

not available

included

Zoom usage graph

not available

included

Crop usage graph

not available

included

Detailed battery information

not available

included

Battery current information

not available

included

Installer

included

included

Multiple app backup

included

included

Share app data or APK

not available

included

Move apps to system/sd/user

not available

included

Link apps to SD

not available

included

Ckear app caches

not available

included

Fix permissions

not available

included

Optimize APK (zipalign)

not available

included

Optimize app databases

not available

included

Device Information

included

included

Please let me know if anything's missing!