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I'm also predicting there will be no difference in battery life. If you check technical specifications on past MBP battery specification and battery life you c

I'm also predicting there will be no difference in battery life. If you check technical specifications on past MBP battery specification and battery life you can notice one thing: Watt/hour battery is always decreasing and battery life is always remaining constant (e.g., 10 hours of web scrolling). Gain in power consumption allows to reduce component space which allows further slimmer designs.

43920 6y ago
I agree battery life for casual workloads will probably stay the same. However, if CPU power consumption decreases relative to other components, battery life on heavy workloads should go up.
Reason077 6y ago
> "Watt/hour battery is always decreasing" This isn't always true. The 16" MacBook Pro, for example, has a 100 Wh battery, which is the largest that Apple has ever shipped in a laptop. This is the largest battery size permitted in cabin baggage on flights.
- phonon 6y ago
  2015 15" Macbook Pro also had that (99.5 Wh). https://support.apple.com/kb/sp719?locale=en_US https://support.apple.com/kb/sp719?locale=en_US
dylan604 6y ago
Great, they can make the laptops even slimmer. They're going to make them so thin they won't be able to put a USB-C port and use wireless charging. You'll soon learn that you don't actually need to plug anything into your device. Apple knows best.
- thefounder 6y ago
  >> You'll soon learn that you don't actually need to plug anything into your device. Apple knows best. A wireless solution is long-awaited.
danudey 6y ago
Linus Tech Tips recently published a video where they did all kinds of cooling hacks to a Macbook Air, including milling out the CPU heat sink, adding thermal pads to dissipate heat into the chassis (instead of insulating the chassis from the heat), and using a water block to cool the chassis with ice water. They got pretty dramatic results from the first few options, but it topped out at the thermal pads and nothing else made any difference at all. Their conclusion was that the way the system was built, there was an upper limit on the power the system could consistently provide to the CPU, and no amount of cooling would make any difference after that point. The obvious conclusion for me was that Apple made decisions based on battery life and worked backwards from there, choosing a chip that fell within the desired range, designing a cooling system that was good enough for that ballpark, and providing just enough power to the CPU/GPU package to hit the upper end of the range.
- StillBored 6y ago
  It could just as well have been, choose a pref level and assure it will run for 10 hours... It actually good engineering to have all the components balanced. If you overbuilt the VRM's for a CPU that would never utilize the current, its just wasted cost. OTOH, maybe they were downsizing the batteries to keep it at 10H so they could be like "look we extended the battery to 16 hours with our new chips" while also bumping the battery capacity. We shall see...
  - rckoepke 6y ago
    Per 'Reason077: > The 16" MacBook Pro, for example, has a 100 Wh battery, which is the largest that Apple has ever shipped in a laptop. This is the largest battery size permitted in cabin baggage on flights.
manmal 6y ago
My new 16“ MBP is good for 2-2.5h max when used for working on big projects in Xcode. I expect to almost double that with the new CPUs. The people who have exactly this problem are also those who buy the most expensive hardware from Apple.
- saagarjha 6y ago
  > My new 16“ MBP is good for 2-2.5h max when used for working on big projects in Xcode. That's…pretty bad. Do you have anything else open?
  - manmal 6y ago
    Slack, Chrome, Safari... but Xcode and the simulator is enough to bring it to its knees

43920 6y ago

I agree battery life for casual workloads will probably stay the same. However, if CPU power consumption decreases relative to other components, battery life on heavy workloads should go up.

Reason077 6y ago

> "Watt/hour battery is always decreasing" This isn't always true. The 16" MacBook Pro, for example, has a 100 Wh battery, which is the largest that Apple has ever shipped in a laptop. This is the largest battery size permitted in cabin baggage on flights.

phonon 6y ago
2015 15" Macbook Pro also had that (99.5 Wh). https://support.apple.com/kb/sp719?locale=en_US https://support.apple.com/kb/sp719?locale=en_US

dylan604 6y ago

Great, they can make the laptops even slimmer. They're going to make them so thin they won't be able to put a USB-C port and use wireless charging. You'll soon learn that you don't actually need to plug anything into your device. Apple knows best.

thefounder 6y ago
>> You'll soon learn that you don't actually need to plug anything into your device. Apple knows best. A wireless solution is long-awaited.

danudey 6y ago

Linus Tech Tips recently published a video where they did all kinds of cooling hacks to a Macbook Air, including milling out the CPU heat sink, adding thermal pads to dissipate heat into the chassis (instead of insulating the chassis from the heat), and using a water block to cool the chassis with ice water. They got pretty dramatic results from the first few options, but it topped out at the thermal pads and nothing else made any difference at all. Their conclusion was that the way the system was built, there was an upper limit on the power the system could consistently provide to the CPU, and no amount of cooling would make any difference after that point. The obvious conclusion for me was that Apple made decisions based on battery life and worked backwards from there, choosing a chip that fell within the desired range, designing a cooling system that was good enough for that ballpark, and providing just enough power to the CPU/GPU package to hit the upper end of the range.

StillBored 6y ago
It could just as well have been, choose a pref level and assure it will run for 10 hours... It actually good engineering to have all the components balanced. If you overbuilt the VRM's for a CPU that would never utilize the current, its just wasted cost. OTOH, maybe they were downsizing the batteries to keep it at 10H so they could be like "look we extended the battery to 16 hours with our new chips" while also bumping the battery capacity. We shall see...
- rckoepke 6y ago
  Per 'Reason077: > The 16" MacBook Pro, for example, has a 100 Wh battery, which is the largest that Apple has ever shipped in a laptop. This is the largest battery size permitted in cabin baggage on flights.

manmal 6y ago

My new 16“ MBP is good for 2-2.5h max when used for working on big projects in Xcode. I expect to almost double that with the new CPUs. The people who have exactly this problem are also those who buy the most expensive hardware from Apple.

saagarjha 6y ago
> My new 16“ MBP is good for 2-2.5h max when used for working on big projects in Xcode. That's…pretty bad. Do you have anything else open?
- manmal 6y ago
  Slack, Chrome, Safari... but Xcode and the simulator is enough to bring it to its knees