+---------------------------------+-------------+-------------+-------------+-------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |        Diff |
+---------------------------------+-------------+-------------+-------------+-------------+
| 1518b-4t2c-eth-l2xcbase-testpmd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +- 0.0 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +- 0.0 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 36.6 +- 0.0 | 36.6 +- 0.0 | 36.6 +- 0.0 | +0.0 +- 0.1 |
| 64b-4t2c-eth-l2xcbase-testpmd   | 33.6 +- 0.1 | 33.6 +- 0.1 | 33.4 +- 0.0 | -0.3 +- 0.2 |
| imix-4t2c-ethip4-ip4base-l3fwd  | 16.3 +- 0.0 | 16.3 +- 0.0 | 14.9 +- 0.0 | -8.8 +- 0.2 |
| imix-4t2c-eth-l2xcbase-testpmd  | 16.3 +- 0.0 | 16.3 +- 0.0 | 14.9 +- 0.0 | -8.8 +- 0.2 |
+---------------------------------+-------------+-------------+-------------+-------------+

20.08, 20.11, 21.02 - DPDK versions tested.
Diff - difference between 20.11 and 21.02 DPDK version.