| Metric | Firmware 3.6.2 | Firmware 4.2.28 | |--------|----------------|-----------------| | Boot time (cold start) | 38 seconds | 24 seconds | | 1080p MKV start time (over SMB) | 5.2 seconds | 2.1 seconds | | BD ISO menu load (USB 3.0) | 8 seconds | 3.5 seconds | | Samba transfer speed (write) | 6 MB/s | 11.5 MB/s | | DTS-HD passthrough latency | 120 ms | 40 ms |
For audiophiles, the 4.2.28 firmware is a godsend. It fully supports bitstream passthrough for: