Re: Just facts - from EPREL on overall mobile device endurance - no assessments

On 2025-07-04 14:05, Marion wrote:
> Thank God for the EU (& the UK) for forcing OEMs to truthfully report their
> mobile device performance (including the UK's battery life requirements).
> 
> As of June 20, 2025, all OEMs selling mobile devices in the EU have to
> formally report standard benchmarks where all the OEMs used the same
> official testing 3rd parties & where all the OEMs knew the standards years
> ahead of time, such that EPREL is a wealth of benchmark data where all the
> tests were run similarly on all devices.
> 
> IMHO, the EPREL is truly the Holy Grail of benchmarks.
> (too bad no USA-specific models were included)

Except for the fact (yes, Arlen: FACT) that the conditions for running 
the tests are ambiguous...

> 
> Go to https://eprel.ec.europa.eu/screen/product/smartphonestablets20231669
>   Enter "Google" in the "Brand or trademark" field.
>    Battery endurance per cycle
>     GUR25 49h 12min
>     GEC77 50h 44min
>     G6GPR 40h 06min
>     GZC4K 49h 30min
>     GTF7P 52h 19min
> 
> Google Battery Endurance Summary
>    Original decimal average:
>    Total = 241.85 hours, Average over 5 models = 48.37 hours
> 
>    Rounded to nearest whole hour (Apple-style):
>    Values: 49, 51, 40, 50, 52 ? Total = 242 ? Average = 48.4 hours
> 
>    Truncated to whole hour (Apple-style):
>    Values: 49, 50, 40, 49, 52 ? Total = 240 ? Average = 48.0 hours
> 
> Go to https://eprel.ec.europa.eu/screen/product/smartphonestablets20231669
>   Enter "Samsung" in the "Brand or trademark" field.
>   Battery endurance per cycle
>    SM-S937B/DS 40h 05min
>    SM-X210R 98h 32min
>    SM-X216R 55h 14min
>    SM-G766B 38h 15min
>    SM-X350 142h 50min
>    SM-X356B 142h 50min
>    SM-X526E 96h 32min
>    SM-X620 99h 06min
>    SM-X520 96h 32min
>    SM-X626B 99h 06min
>    SM-X526B 96h 32min
>    SM-A266B/DS 37h 05min
>    SM-A566B/DS 44h 34min
>    SM-A366B/DS 41h 28min
>    SM-S936B/DS 43h 38min
>    SM-S938B/DS 44h 54min
>    SM-A165F/DSB 45h 10min
>    SM-A166B/DS 43h 30min
>    SM-X820 73h 44min
>    SM-X920 85h 18min
>    SM-X826B 73h 44min
>    SM-X926B 85h 18min
>    SM-S721B/DS 42h 00min
>    SM-G556B 41h 22min
>    SM-S921B/DS 41h 26min
>    SM-X300 62h 31min
>    SM-X306B 62h 31min
> 
>    Total hours: 2,056.96
>    Average = Total / 28 models = 2,056.96 / 28 = 73.46 hours
> 
> Go to https://eprel.ec.europa.eu/screen/product/smartphonestablets20231669
>   Enter "Apple" in the "Brand or trademark" field.
>    A3267 62h 00min
>    A3268 72h 00min
>    A3355 67h 00min
>    A3269 72h 00min
>    A3354 67h 00min
>    A3266 62h 00min
>    A3409 41h 00min
>    A2993 67h 00min
>    A2995 67h 00min
>    A3293 37h 00min
>    A3290 48h 00min
>    A3296 48h 00min
>    A3287 37h 00min
>    A2836 73h 00min
>    A2837 73h 00min
>    A2925 77h 00min
>    A2926 77h 00min
>    A3090 34h 00min
>    A3094 45h 00min
> 
>    Total hours = 1,199.0
>    Average = 1,199.0 / 19 = 63.1 hours
> 
> Note: It makes no difference if you re-calculate all the numbers
> Apple-style, which is a truncation apparently, as I ran all the numbers
> three ways, namely as is, by rounding, and by truncation. Hence, Apple's
> (clever) marketing spin that they reported numbers "lower" than they could
> have is meaningless and, worse (much worse) Apple's (brilliant) truncation
> cast untoward aspersions on the entire formal process that every OEM,
> including Apple, had themselves already long ago been part of.
> 
> Overall, Samsung models, based on EPREL data, have a 10 hour advantage.
> That's a whopping ~16% higher average battery endurance per cycle.
> However, Apple had a decided advantage over Google mobile devices.
> 
> I'll send a separate post with a breakdown by smartphones vs tablets.
> Especially as Google doesn't have tablets to bring the averages up.
> 
> And I'll show the proof that it doesn't matter how you round or truncate
> the numbers - they still end up being the same within minor differences.

And it is an idiotic way for anyone (let alone someone who claims to be 
a "scientist") to compare these companies.