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winna

macrumors regular
Original poster
Nov 28, 2020
123
37
I tested an entire BD disc and these are the results

Mac Mini 2018 6-core i7 8 G RAM
Mac Mini M1 16 GB RAM



H264

Mac Mini 2018: 53 min 59 sec
Mac Mini M1: 32 min 46 sec

H264 Video Toolbox

Mac Mini 2018: 10 min 44 sec
Mac Mini M1: 11 min 28 sec

H265

Mac Mini 2018: 1 h 28 min 47 sec
Mac Mini M1: 1 h 39 min 31 sec

H265 Video Toolbox

Mac Mini 2018: 11 min 04 sec
Mac Mini M1: 9 min 32 sec

Temperatures during H265 test. Long list M1, short list 2018
 

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What quality settings are you using for the M1 hardware encoding?

I found them backwards on my M1. For example, CQ 16 is a pretty high setting for software or even AMD/NVenc hardware encoders (on Windows). But on my M1 it’s trash. I have to go up to CQ 70+ to get similar quality. Normally the lower the setting number the better the quality...
 
Thanks for this.

That RAM difference must be a significant factor. How much difference would there be if the Intel Mini had 16GB, or more?
 
Thanks for this.

That RAM difference must be a significant factor. How much difference would there be if the Intel Mini had 16GB, or more?
There would be no difference at all
 
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What quality settings are you using for the M1 hardware encoding?

I found them backwards on my M1. For example, CQ 16 is a pretty high setting for software or even AMD/NVenc hardware encoders (on Windows). But on my M1 it’s trash. I have to go up to CQ 70+ to get similar quality. Normally the lower the setting number the better the quality...
I used 5500 kbps mkv with DTS passthru on all tests
 
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