“A video posted to YouTube over the weekend compares the operating performance of an iPhone 6s before and after its battery is replaced, demonstrating in real time the nominal gains users can expect to see when a device is no longer software throttled,” AppleInsider reports.
“Posted by Bennett Sorbo, the video shows an iPhone 6s, presumably with a depleted battery cell, running through a number of various CPU-intensive tasks like opening apps, browsing the web, playing games and videos, and finally chewing through a Geekbench benchmark test,” AppleInsider reports. “Completed in real time, the casual evaluation pits an iPhone with original hardware on the left against the same handset with a fresh battery on the right.”
AppleInsider reports, “The results do reveal a marked improvement in performance, both in real world use and synthetic testing.”
Read more in the full article here.
MacDailyNews Take: While variances in Wi-Fi speeds could be having some effect, the benchmark results displayed show the obvious improvement with the healthy battery.
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Ugh! iPhone slow. Must sue Apple for one million dollars due to pain and suffering over slowdown. Apple responsible for Lithium-ion battery failure. Me moving to Android. Never have battery problem again. Bad Apple. Cheat customer.
Ha, ha, ha, ha, ha….. That was quite hilarious!
On the off-chance that this wasn’t sarcasm, good luck with Android!
Some people: User error, user stupidity. All things must pass. Tell yo mama you need a new brain- rip off, gonna sue… Not what it used to be.
The message that I took away from this video is that, up to the CPU speed check step at the very end, the difference between the battery-challenged iPhone and the fresh battery iPhone was only 16.6 seconds (1:46.6 to 1:30) after performing a long sequence of tasks. My takeaway is that Apple did an incredible job of wringing solid performance out of a severely aged battery.
The CPU test at the end exaggerates the performance delta because it purposely stresses the CPU, forcing iOS to throttle it to control the current demand from the battery. As is obvious from the first 1:30/1:46.6, this is *not* typical of performance under standard use.
The CPU performance numbers at the end?
Single-core: 1437 vs. 2520 (75.4% advantage for fresh batt)
Multi-core: 2485 vs. 4412 (77.5% advantage for fresh batt)
This uproar is a lot of ado about next to nothing that will only enrich the lawyers and a few class action representatives. In truth, Apple should be praised for enabling its customers to obtain more useful life from their mobile devices. You do not see Samsung or Google or other Android device makers supporting their customers like Apple. I am utterly ashamed and revolted by the complainers who are supporting the class action lawsuits. Do not allow yourself to be used for this purpose!
In other words, about 15% realistic performance hit, vs. 75% on Geekbench testing.
I just did exactly this. After two and a half years of using an original 6S (with a battery that was recalled right away, which I never bothered to replace, as it worked perfectly fine), I decided to take advantage of the free replacement (under that recall).
The biggest change is the performance when I’m outdoors in the cold. When the outside temperature approaches (or dips below) 0ºC, the old battery would simply give out, and the phone would shut down. I would then have to put the phone in my inside pocket to warm it up. After getting it to my body temperature, often it would show 60% remaining battery, but would still quickly drop to zero in the cold.
The best news is that my phone now performs better than it ever did, even when the battery was new. iOS 11 has brought some performance improvements to the core OS, and now my Geekbench benchmark numbers are around 10 – 12% above nominal for my model when it came out (with iOS 9. And with the old battery (even with iOS 11), they were quite low, inline with this test above.
So, long story short:
With an old battery, performance suffers, but realistically, not by much (some 15%);
With a new battery and iOS11, the performance is even better than when it was new and on iOS9.
On the contrary, I would say this video is very damning.
Apple fucked up iPhone performance and hid this dirty little secret from the public.
After Apple replaced the battery in my iPhone 6 Plus the improvement was far more extreme. I tested the battery life using the app Battery Life prior to, and after, the replacement. Before showed a battery with only 58% of the original duration. After was, as expected, at 100%. Before the change the phone was so darned slow it was infuriating for every task attempted. I genuinely thought it was out of available memory until I checked and was that there was only 50% being used. Your experience may vary but for $29 it was a miraculous improvement, just like when the phone was new.
When they replace the battery do they have you backup your phone first before sending it in, then you restore when you get it back? If so, it’s been mentioned that a backup and restore cycle works for most folks who indicate that “everything is slow”.