A look at the records between the clubs.

At Cardiff City (25) At Derby County (27)
Results Total %   Results Total %
Cardiff City 15 60.00   Derby County 11 40.74
Derby County 3 12.00   Cardiff City 10 37.04
Draws 7 28.00   Draws 6 22.22
Goals Total Av.pg   Goals Total Av.pg
Cardiff City 48 1.92   Derby County 47 1.74
Derby County 26 1.04   Cardiff City 42 1.56
On Neutral Ground (0) Overall (52 matches)
Results Total %   Results Total %
Cardiff City 0 0.00   Cardiff City 25 48.08
Derby County 0 0.00   Derby County 14 26.92
Draws 0 0.00   Draws 13 25.00
Goals Total Av.pg   Goals Total Av.pg
Cardiff City 0 0.00   Cardiff City 90 1.73
Derby County 0 0.00   Derby County 73 1.40
Records
Highest Aggregate 9 Derby County  6 - 3 Cardiff City 1926/1927 
Highest Cardiff City score: 6 Cardiff City  6 - 1 Derby County 2009/2010 
Highest Derby County score: 7 Derby County  7 - 1 Cardiff City 1927/1928 
SeasonDateHomeScoreAwayCompetition
2011/2012 Wed 02 Nov Derby County 0 - 3 Cardiff City Championship  
2010/2011 Sat 02 Apr Cardiff City 4 - 1 Derby County Championship  
  Sat 14 Aug Derby County 1 - 2 Cardiff City Championship  
2009/2010 Sun 02 May Derby County 2 - 0 Cardiff City Championship  
  Tue 29 Sep Cardiff City 6 - 1 Derby County Championship  
2008/2009 Wed 08 Apr Cardiff City 4 - 1 Derby County Championship  
  Sat 20 Sep Derby County 1 - 1 Cardiff City Championship  
2006/2007 Sat 17 Mar Derby County 3 - 1 Cardiff City Championship  
  Sat 28 Oct Cardiff City 2 - 2 Derby County Championship  
2005/2006 Sat 17 Dec Cardiff City 0 - 0 Derby County Championship  
  Sat 20 Aug Derby County 2 - 1 Cardiff City Championship  
2004/2005 Sat 01 Jan Derby County 0 - 1 Cardiff City Championship  
  Sat 18 Sep Cardiff City 0 - 2 Derby County Championship  
2003/2004 Sat 07 Feb Derby County 2 - 2 Cardiff City League Division One  
  Mon 25 Aug Cardiff City 4 - 1 Derby County League Division One  
1985/1986 Sat 01 Mar Derby County 2 - 1 Cardiff City Third Division  
  Sat 28 Sep Cardiff City 0 - 2 Derby County Third Division  
1983/1984 Mon 23 Apr Cardiff City 1 - 0 Derby County Second Division  
  Tue 27 Dec Derby County 2 - 3 Cardiff City Second Division  
1981/1982 Sat 01 May Derby County 0 - 0 Cardiff City Second Division  
  Fri 04 Dec Cardiff City 1 - 0 Derby County Second Division  
1980/1981 Sat 02 May Cardiff City 0 - 0 Derby County Second Division  
  Sat 29 Nov Derby County 1 - 1 Cardiff City Second Division  
1968/1969 Sat 01 Feb Derby County 2 - 0 Cardiff City Second Division  
  Sat 16 Nov Cardiff City 1 - 1 Derby County Second Division  
1967/1968 Sat 03 Feb Derby County 3 - 4 Cardiff City Second Division  
  Sat 23 Sep Cardiff City 1 - 5 Derby County Second Division  
1966/1967 Sat 11 Feb Derby County 1 - 1 Cardiff City Second Division  
  Sat 01 Oct Cardiff City 1 - 1 Derby County Second Division  
1965/1966 Wed 01 Sep Derby County 1 - 5 Cardiff City Second Division  
  Wed 25 Aug Cardiff City 2 - 1 Derby County Second Division  
1964/1965 Sat 20 Feb Derby County 1 - 0 Cardiff City Second Division  
  Sat 10 Oct Cardiff City 2 - 1 Derby County Second Division  
1963/1964 Sat 04 Apr Cardiff City 2 - 1 Derby County Second Division  
  Sat 23 Nov Derby County 2 - 1 Cardiff City Second Division  
1962/1963 Sat 22 Dec Cardiff City 1 - 0 Derby County Second Division  
  Sat 25 Aug Derby County 1 - 2 Cardiff City Second Division  
1959/1960 Wed 16 Sep Cardiff City 2 - 0 Derby County Second Division  
  Wed 09 Sep Derby County 1 - 2 Cardiff City Second Division  
1958/1959 Sat 21 Mar Cardiff City 0 - 0 Derby County Second Division  
  Sat 01 Nov Derby County 1 - 3 Cardiff City Second Division  
1957/1958 Sat 05 Apr Derby County 0 - 2 Cardiff City Second Division  
  Sat 12 Oct Cardiff City 3 - 2 Derby County Second Division  
1952/1953 Sat 14 Mar Cardiff City 2 - 0 Derby County First Division  
  Sat 25 Oct Derby County 1 - 1 Cardiff City First Division  
1948/1949 Sat 12 Feb Derby County 2 - 1 Cardiff City F.A. Cup  
1928/1929 Sat 19 Jan Cardiff City 3 - 0 Derby County First Division  
  Sat 08 Sep Derby County 2 - 0 Cardiff City First Division  
1927/1928 Sat 31 Mar Derby County 7 - 1 Cardiff City First Division  
  Sat 19 Nov Cardiff City 4 - 4 Derby County First Division  
1926/1927 Wed 16 Mar Cardiff City 2 - 0 Derby County First Division  
  Sat 02 Oct Derby County 6 - 3 Cardiff City First Division