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iPhone 12 Pro Max vs iPhone 15

iOS

iPhone 12 Pro Max

84.4%speed held · 5 min · multi-thread
VS
iOS

iPhone 15

77.3%speed held · 5 min · multi-thread

iPhone 12 Pro Max holds its speed better under sustained load

84.4% against 77.3% of full speed

Under sustained load

iPhone 12 Pro Max keeps 84.4% of its speed, iPhone 15 77.3%.

Throughput ribbonshare of full speed over time
Throughput over time: iPhone 12 Pro Max against iPhone 1525%50%75%100%0:001:002:003:004:005:00Throughput over time: iPhone 12 Pro Max against iPhone 1525%50%75%100%0:001:002:003:004:005:00
iPhone 12 Pro MaxMeasureiPhone 15
5 min · multi-threadTest5 min · multi-thread
1.14 GIPSFastest sample1.82 GIPS
0.96 GIPSSecond-half average1.41 GIPS
69%Lowest 5-second average76%
SeriousHottest state reportedSerious

The devices

iPhone 12 Pro MaxMeasureiPhone 15
iOSPlatformiOS
–Chip–
–GPU–
iOS 27.0OSiOS 27.0.1

iPhone 12 Pro Max iPhone 15

Where does yours land?

Run the benchmark on your own device and compare it with either of these in the app.

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