Not able to get better performance with redpanda as compared to kafka.

[as-sher]

Version & Environment

Redpanda version: (use rpk version): v22.2.7 (rev 96ed1cc)
I am using centos
AWS
r5n.xlarge even tried c5.2xlarge
30 node cluster
1TB gp3 disk

What went wrong?
Not able to get better performance as compared to same config kafka.

What should have happened instead?
Some improvements over kafka performance

How to reproduce the issue?
node_uuid: 9c10d3d0-618e-11ed-9f0c-0ab737c46417
redpanda:
data_directory: /var/lib/redpanda/data
node_id: 27
seed_servers:

• host:
  address: 10.10.12.79
  port: 33145
  rpc_server:
  address: 10.10.14.32
  port: 33145
  kafka_api:
• address: 10.10.14.32
  port: 9092
  admin:
• address: 10.10.14.32
  port: 9644
  rpk:
  enable_usage_stats: true
  tune_network: true
  tune_disk_scheduler: true
  tune_disk_nomerges: true
  tune_disk_write_cache: true
  tune_disk_irq: true
  tune_cpu: true
  tune_aio_events: true
  tune_clocksource: true
  tune_swappiness: true
  coredump_dir: /var/lib/redpanda/coredump
  tune_ballast_file: true
  pandaproxy: {}
  schema_registry: {}